Merge PDF
Combine multiple PDFs into one.
Split PDF
Divide a large PDF into smaller files.
Compress PDF
Reduce PDF file size without losing quality.
JPG to PDF
Convert images to PDF.
PDF to JPG
Convert PDF pages to JPG images.
Remove Pages
Delete specific pages from a PDF.
Organize PDF
Reorder pages by drag & drop.
Repair PDF
Attempt to fix a damaged PDF file.
Extract Pages
Extract specific pages to a new file.
Text to PDF
Convert plain text into a PDF.
PDF to PNG
Convert PDF pages to PNG images.
Rotate PDF
Rotate pages in a PDF document.
Protect PDF
Lock your PDF with a password.
Add Page Numbers
Insert page numbers into your PDF.
Unlock PDF
Remove PDF password protection.
Scan to PDF
Convert scanned images to PDF.
BMI Calculator
Calculate your Body Mass Index.
Age Calculator
Find your exact age from your birth date.
Discount Calculator
Calculate final price after a discount.
Percentage Calculator
Easily calculate percentages.
Simple Interest
Calculate simple interest on a principal amount.
Compound Interest
Calculate interest that compounds over time.
Loan EMI Calculator
Calculate your Equated Monthly Installment.
GST/Tax Calculator
Add or remove GST/Tax from any amount.
BMR Calculator
Calculate your Basal Metabolic Rate.
Calorie Calculator
Estimate your daily calorie needs.
Date Difference
Calculate the duration between two dates.
Unit Converter
Convert length, weight, and temperature.
Fuel Cost Calculator
Estimate the fuel cost for a trip.
Tip Calculator
Calculate the tip for a bill.
Grade Calculator
Calculate your average grade.
Area Calculator
Calculate the area of basic shapes.
Investment ROI
Calculate Return on Investment.
Time Calculator
Add or subtract units of time.
Income Tax Calculator
A simplified income tax estimate.
Scientific Calculator
Perform advanced math operations.
Merge PDF Files
Select two or more PDF files to merge them into one.
Save Merged PDFUnderstanding Our Free and Fast PDF Merger
Do you have multiple PDF files that you want to combine into a single document? Our online PDF merger tool makes this task simple and efficient. You can merge several PDFs into one cohesive document directly in your browser, with no software installation required. This is perfect for combining reports, invoices, or chapters of a book.
How to Merge PDF Files:
- Select Files: Click the file input area and select all the PDF files you wish to combine. You can select multiple files at once.
- Merge: Once the files are selected, click the "Merge PDF" button. Our system will instantly begin processing the files.
- Download: When the process is complete, a "Save Merged PDF" link will appear. Click it to download your single, combined PDF file.
Frequently Asked Questions (FAQ)
Q: Are my files secure?
A: Yes, your privacy is our top priority. All files are processed locally on your computer (client-side) and are never uploaded to our servers. Your files remain completely secure.
Q: Is there a limit to how many files I can merge?
A: You can merge multiple files at once. However, processing a very large number of files may take longer depending on your browser's performance.
Split PDF
Select a PDF and choose a page range to extract.
Save Split PDFEasily Divide Your PDF Documents
Our Split PDF tool allows you to extract a specific range of pages from a large PDF file and create a new, smaller PDF. This is perfect for sharing only the essential parts of a document without sending the entire file. It helps keep your documents organized and manageable.
How to Split a PDF:
- Upload PDF: Choose the PDF file you want to split.
- Select Page Range: Enter the starting and ending page numbers in the "Start Page" and "End Page" fields. For example, to extract pages 2 through 5, enter 2 and 5.
- Split: Click the "Split PDF" button. Our tool will create a new PDF containing only the pages you specified.
- Download: Save your new, smaller PDF file once the process is complete.
Frequently Asked Questions (FAQ)
Q: Will the original PDF file be modified?
A: No, your original PDF file will remain unchanged. Our tool creates an entirely new file with the pages you selected.
Q: Is this tool free to use?
A: Yes, all our PDF tools and calculators are completely free, with no hidden charges or sign-ups required.
Compress PDF
Select a PDF to reduce its file size.
Save Compressed PDFReduce PDF File Size Without Losing Quality
Large PDF files can be difficult to email, upload, or store. Our Compress PDF tool significantly reduces the size of your PDF file without compromising its quality. By optimizing images and other file data, we make your documents easier to share and manage.
How to Compress a PDF:
- Select PDF: Upload the PDF file you want to make smaller.
- Compress: Click the "Compress PDF" button. Our system will use advanced algorithms to optimize the file for size.
- View Size Reduction: The tool will show you both the original and compressed file sizes, so you can see how much space you've saved.
- Download: Download your new, smaller PDF file.
Frequently Asked Questions (FAQ)
Q: How much quality is lost during compression?
A: Our tool is designed to find the best balance between file size and quality. For most documents, you will not notice any significant difference in the clarity of text and images.
Q: Is this process secure?
A: Absolutely. The entire compression process happens in your browser. Your files are never sent to a server, ensuring your data remains private.
JPG to PDF Converter
Select one or more images (JPG, PNG, or WebP).
Save PDFConvert Your Images into a Single PDF Document
Effortlessly convert your image files (JPG, PNG, WebP) into a professional, easy-to-share PDF document. This tool is perfect for compiling photos, scans, or drawings into a single file for archiving, sharing, or printing.
How to Convert JPG to PDF:
- Select Images: Click to upload one or more image files. You can select multiple images at once.
- Convert: Click the "Convert to PDF" button. The tool will arrange your images into a PDF document.
- Download PDF: Once the conversion is complete, click the "Save PDF" link to download your new file.
Frequently Asked Questions (FAQ)
Q: In what order will my images appear in the PDF?
A: The images will appear in the PDF in the same order that you selected them. To control the order, select them one by one or rename them alphabetically before uploading.
Q: Can I convert other image formats?
A: Yes, our tool supports JPG, PNG, and WebP formats, providing flexibility for all your conversion needs.
PDF to JPG Converter
Select a PDF to convert each page into an image.
Extract PDF Pages as High-Quality JPG Images
Need to turn a PDF document into images? Our PDF to JPG converter lets you transform each page of your PDF into a separate, high-quality JPG file. This is useful for sharing specific pages on social media, using them in presentations, or embedding them on a website.
How to Convert PDF to JPG:
- Upload PDF: Select the PDF document you want to convert.
- Automatic Conversion: The tool will automatically start processing the file and render each page as an image preview.
- Download Images: For each page, a download button will appear. Click "Save Page as JPG" to download the images you need.
Frequently Asked Questions (FAQ)
Q: What will be the resolution of the output images?
A: The tool converts pages at a high resolution to ensure the text and graphics are clear and readable in the final JPG files.
Q: Is it possible to download all pages as a single ZIP file?
A: Currently, you can download each page individually. This gives you the flexibility to save only the pages you need.
Remove Pages from PDF
Select a PDF and enter page numbers to remove (e.g., 1,3,5).
Save PDFEasily Delete Unwanted Pages from Your PDF
Clean up your PDF documents by quickly removing specific pages. Whether it's blank pages, irrelevant information, or confidential sections, our tool lets you delete them in seconds. The result is a clean, concise document that contains only what you need.
How to Remove Pages from a PDF:
- Upload PDF: Select the PDF file you want to edit.
- Enter Page Numbers: In the input box, type the numbers of the pages you want to delete. Separate multiple page numbers with a comma (e.g., 2, 5, 8).
- Remove Pages: Click the "Remove Pages" button.
- Download: Save your newly modified PDF without the deleted pages.
Frequently Asked Questions (FAQ)
Q: Can I remove a range of pages?
A: Currently, the tool supports removing individual pages listed with commas. To remove a range, you would need to list each page number (e.g., 3, 4, 5, 6).
Q: Does this alter my original file?
A: No, your original PDF is never altered. We provide a new file for you to download, ensuring your source document is safe.
Organize PDF Pages
Select a PDF to drag and rearrange pages.
Save PDFVisually Reorder Your PDF Pages with Ease
Our Organize PDF tool provides a simple, visual way to rearrange the pages in your document. Just upload your file, and you'll see thumbnails of each page. From there, you can drag and drop them into the perfect order. It's the easiest way to sort your PDF exactly how you want it.
How to Organize a PDF:
- Upload Your PDF: Select the PDF file you wish to reorganize.
- Rearrange Pages: Thumbnails of each page will appear. Click and drag any page to a new position.
- Save Changes: Once you are happy with the new order, click the "Save Reordered PDF" button.
- Download: Download your newly organized document.
Frequently Asked Questions (FAQ)
Q: Can I also delete pages in this view?
A: This tool is specifically designed for reordering pages. To delete pages, please use our dedicated "Remove Pages" tool.
Q: Is there a page limit for the PDF?
A: While there is no strict limit, performance may be slower for very large documents with hundreds of pages.
Repair PDF File
Select a PDF file to attempt auto-repair.
Save Repaired PDFAttempt to Fix Corrupted or Damaged PDF Files
Have a PDF that won't open? It might be corrupted. Our Repair PDF tool attempts to recover data from damaged PDFs and rebuild them into a new, working file. While success is not guaranteed for severely corrupted files, this tool can often recover documents that would otherwise be lost.
How to Repair a PDF:
- Upload Corrupted PDF: Select the damaged PDF file from your device.
- Start Repair: Click the "Repair PDF" button to begin the recovery process.
- Download Repaired File: If the repair is successful, a download link will appear. Save the recovered PDF file.
Frequently Asked Questions (FAQ)
Q: Will this tool work for any damaged PDF?
A: Our tool has a high success rate for minor corruption issues. However, if a file is severely damaged or incomplete, it may not be recoverable. It's always worth a try!
Q: Is my data safe during the repair process?
A: Yes. The entire process is automated and happens in your browser, so your file's contents remain private.
Extract PDF Pages
Upload a PDF and enter page numbers to extract (e.g., 1,3,5).
Save Extracted PDFCreate a New PDF from Specific Pages
Our Extract Pages tool lets you hand-pick pages from a PDF and save them as a brand-new document. Unlike the Split PDF tool, you can select non-consecutive pages (like pages 1, 5, and 12) to create a custom PDF containing only the most relevant information for your needs.
How to Extract Pages from a PDF:
- Upload PDF: Select the source PDF file.
- Enter Page Numbers: In the input field, type the page numbers you want to extract, separated by commas (e.g., 1, 3, 5).
- Extract: Click the "Extract Pages" button.
- Download New PDF: Save the new PDF that contains only your selected pages.
Frequently Asked Questions (FAQ)
Q: What is the difference between "Split" and "Extract"?
A: "Split" is used for extracting a continuous range of pages (e.g., pages 5-10). "Extract" is for picking and choosing individual, non-continuous pages (e.g., pages 2, 9, 21).
Q: Is the quality of the extracted pages preserved?
A: Yes, the extracted pages will have the exact same quality as they did in the original document.
Convert Text to PDF
Type or paste plain text below and convert it to a PDF.
Save PDFInstantly Turn Plain Text into a PDF Document
This simple and effective tool allows you to convert any plain text into a universally readable PDF file. Just type or paste your text into the box, and with one click, you'll have a clean, formatted PDF ready to download. It's perfect for quickly creating documents from notes, emails, or other text content.
How to Convert Text to PDF:
- Enter Text: Type or paste your desired text into the provided text area.
- Generate PDF: Click the "Convert to PDF" button.
- Download: A link will appear to save your newly created PDF document.
Frequently Asked Questions (FAQ)
Q: Can I apply formatting like bold or italics?
A: This tool is designed for converting plain text. Advanced formatting is not currently supported. The text will appear in a standard, clean font.
Q: How is the text laid out on the pages?
A: The tool automatically wraps the text to fit standard page sizes and will create multiple pages as needed to accommodate your content.
PDF to PNG Converter
Select a PDF file to convert each page into PNG images.
Convert PDF Pages to High-Quality PNG Images
Our PDF to PNG converter transforms each page of your PDF document into a separate PNG image file. The PNG format is ideal when you need images with a transparent background or higher quality than JPG. This is great for graphic design work, presentations, or web use.
How to Convert PDF to PNG:
- Upload Your PDF: Select the PDF document you want to convert.
- Automatic Conversion: The tool will automatically process the file and display previews of each page.
- Download PNG Files: Click the "Save Page as PNG" button for each page you want to save as a high-quality image.
Frequently Asked Questions (FAQ)
Q: What's the main difference between converting to PNG vs. JPG?
A: PNG is a lossless format, which means it generally offers higher image quality and supports transparency. JPG is a lossy format that provides smaller file sizes, making it great for photos on the web.
Q: Is this service secure?
A: Yes. Your PDF is processed entirely within your browser, meaning it is never uploaded to an external server, keeping your data completely private.
Rotate PDF Pages
Upload your PDF and select the rotation angle.
Save Rotated PDFFix the Orientation of Your PDF Pages
Did you scan a document sideways or upside down? Our Rotate PDF tool allows you to easily fix the orientation of all pages in your PDF file. Choose to rotate your document 90, 180, or 270 degrees to ensure it's perfectly readable.
How to Rotate a PDF:
- Upload PDF: Select the PDF file with the incorrect orientation.
- Choose Angle: Select the desired rotation angle from the dropdown menu (90°, 180°, or 270° clockwise).
- Rotate Pages: Click the "Rotate Pages" button.
- Download: Save your corrected PDF file.
Frequently Asked Questions (FAQ)
Q: Can I rotate only specific pages?
A: This tool rotates all pages in the document by the same angle. For more advanced editing, you may need to split the document, rotate the necessary parts, and then merge them back together.
Q: Is the rotation permanent?
A: The rotation is applied to a new copy of your document that you download. Your original file remains untouched.
Protect PDF with Password
Select a PDF file and set a password to protect it.
Save Protected PDFSecure Your Sensitive Documents with a Password
Add a layer of security to your confidential PDF files by encrypting them with a password. Once protected, no one can open the document without entering the correct password. This is essential for protecting sensitive information like contracts, financial reports, or personal data.
How to Protect a PDF:
- Upload PDF: Select the PDF file you want to secure.
- Set a Password: Enter a strong password in the provided field.
- Protect PDF: Click the "Protect PDF" button to apply the encryption.
- Download: Save your new, password-protected PDF file.
Frequently Asked Questions (FAQ)
Q: What happens if I forget the password?
A: Due to the strong encryption used, there is no way to recover a forgotten password. Please be sure to store your password in a safe place.
Q: How secure is the encryption?
A: Our tool uses standard, robust encryption to ensure your document is well-protected against unauthorized access.
Add Page Numbers to PDF
Upload your PDF and automatically number each page.
Save Numbered PDFEasily Insert Page Numbers into Your PDF
Keep your long documents organized and easy to navigate by adding page numbers. Our tool automatically inserts page numbers at the bottom of each page in a clean "Page X of Y" format. This is perfect for academic papers, business reports, and legal documents.
How to Add Page Numbers:
- Upload PDF: Select the document to which you want to add page numbers.
- Add Numbers: Click the "Add Page Numbers" button. The process is fully automatic.
- Download: Save the newly numbered PDF file.
Frequently Asked Questions (FAQ)
Q: Can I customize the position or format of the page numbers?
A: For simplicity, our tool automatically places numbers in a standard position (bottom center). Advanced customization options are not currently available.
Q: Will this tool number my existing table of contents?
A: The tool adds visible page numbers to the pages themselves; it does not edit or update any existing text, such as a table of contents, within the document.
Unlock PDF
This tool unlocks a PDF using the known password.
Save Unlocked PDFRemove Password Protection from a PDF
If you have a password-protected PDF and want to remove the restriction for easier access, our Unlock PDF tool can help. Simply provide the current password, and the tool will create a new, unlocked version of the file that anyone can open without a password.
How to Unlock a PDF:
- Upload Locked PDF: Select the password-protected PDF file.
- Enter Password: Type the current password for the file into the input field.
- Unlock PDF: Click the "Unlock PDF" button.
- Download: Save the new, unlocked version of your PDF.
Frequently Asked Questions (FAQ)
Q: What if I don't know the password?
A: For security reasons, this tool cannot remove a password without the correct one being provided. You must have the authority and the password to unlock the file.
Q: Is it safe to enter my password here?
A: Yes. The entire unlocking process happens locally in your browser. Your file and your password are never sent over the internet, ensuring your privacy is protected.
Scan to PDF
Select images (from camera or gallery) to convert to a single PDF.
Save PDFTurn Your Scans and Photos into a Professional PDF
Digitize your physical documents with ease. Our Scan to PDF tool lets you take photos or upload scanned images and combine them into a single, clean PDF file. It's the perfect way to create digital copies of receipts, notes, contracts, or book pages.
How to Convert Scans to PDF:
- Select Images: Upload all the image files from your scans or photos. You can select multiple files at once.
- Preview: You will see a preview of the images you've selected.
- Create PDF: Click the "Create PDF" button to combine the images into one document.
- Download: Save your newly created scanned PDF.
Frequently Asked Questions (FAQ)
Q: How can I ensure the best quality for my scanned PDF?
A: For the best results, take photos in a well-lit area with a plain background. Ensure your camera is steady and the document is flat to avoid blurry or distorted text.
Q: Can I reorder the images before creating the PDF?
A: The images will appear in the order you select them. For best results, name your files numerically (e.g., 01.jpg, 02.jpg) before uploading to ensure they are in the correct sequence.
BMI Calculator
Enter your weight and height to calculate your Body Mass Index.
What is Your Body Mass Index (BMI)?
Body Mass Index (BMI) is a measure of body fat based on your weight in relation to your height. It is commonly used as an indicator to classify whether an individual is underweight, normal weight, overweight, or in the obesity category. It helps provide a general picture of your health.
How to Calculate BMI:
- Enter Your Weight: Input your weight in kilograms (kg).
- Enter Your Height: Input your height in centimeters (cm).
- Calculate: Click the "Calculate BMI" button.
- View Result: Your BMI value and the corresponding weight category will be displayed.
Understanding BMI Categories:
- Below 18.5: Underweight
- 18.5 – 24.9: Normal weight
- 25.0 – 29.9: Overweight
- 30.0 and Above: Obesity
Disclaimer: This calculator is for informational purposes only and should not be considered a substitute for professional medical advice. Consult a healthcare provider for any health concerns.
Age Calculator
Select your date of birth to find out your exact age.
Find Out Your Precise Age Instantly
Ever wondered exactly how old you are in years, months, and days? Our Age Calculator quickly computes your precise age based on your date of birth. It's a fun and useful tool for birthdays, anniversaries, or calculating the time between historical events.
How to Calculate Your Age:
- Select Your Birth Date: Choose your date of birth (year, month, and day) from the calendar.
- Calculate: Click the "Calculate Age" button.
- See the Result: The tool will display your current age in years.
Frequently Asked Questions (FAQ)
Q: Is this calculator accurate?
A: Yes, the calculator accurately computes your age based on your birth date and the current date, accounting for leap years.
Q: Can I calculate the age of someone else?
A: Of course! You can enter any date of birth to find the current age for that person or to calculate an age for a historical figure.
Discount Calculator
Calculate the final price after applying a discount.
Never Overpay Again: Calculate Sale Prices in Seconds
Shopping during a sale? Our Discount Calculator helps you quickly figure out the final price of an item after a discount is applied. It also shows you exactly how much money you are saving, so you can make smart purchasing decisions on the spot.
How to Calculate a Discount:
- Enter Original Price: Input the item's original price.
- Enter Discount Percentage: Input the discount percentage (e.g., 25 for 25%).
- Calculate: Click the "Calculate" button.
- View Final Price: The tool will show you the final price you need to pay and the total amount you saved.
Why Use a Discount Calculator?
While some discounts are easy to calculate, complex percentages can be tricky. This tool eliminates guesswork and ensures you know the exact price before heading to the checkout, helping you stick to your budget.
Percentage Calculator
Find the percentage of a number.
Master Percentages with Our Simple Calculator
Percentages are a part of everyday life, from calculating tips and taxes to understanding statistics. This simple tool helps you find the percentage of any number. For example, you can easily find out "What is 15% of 200?". It's a quick and reliable way to handle any percentage calculation.
How to Calculate a Percentage:
- Enter Percentage: Input the percentage you want to find (e.g., 15 for 15%).
- Enter Total Value: Input the number you want to find the percentage of (e.g., 200).
- Calculate: Click the "Calculate" button.
- View Result: The result will be displayed clearly.
Common Uses
This tool is useful for students, professionals, and anyone who needs to quickly calculate proportions. Use it for school assignments, financial planning, or any daily task that involves percentages.
Simple Interest Calculator
Calculate simple interest returns.
Understand Your Earnings with Simple Interest
Simple interest is a straightforward way to calculate the interest charge on a loan or investment. It's determined by multiplying the daily interest rate by the principal by the number of days that elapse between payments. Our calculator makes this process effortless.
How to Calculate Simple Interest:
- Enter Principal Amount: The initial amount of the loan or investment.
- Enter Annual Rate: The annual interest rate in percent (%).
- Enter Time: The number of years the money is invested or borrowed for.
- Calculate: Click the button to see the total interest earned and the final amount.
What is Simple Interest?
Simple interest is calculated only on the original principal amount. Unlike compound interest, it does not take into account the interest accumulated in previous periods. It's often used for short-term loans.
Compound Interest Calculator
Calculate interest that compounds over time.
See the Power of Compound Interest on Your Investments
Compound interest is the interest on an investment that is calculated on both the initial principal and the accumulated interest from previous periods. Often called "interest on interest," it can make an investment grow at a faster rate than simple interest.
How to Calculate Compound Interest:
- Enter Principal Amount: The initial amount of your investment.
- Enter Annual Rate: The annual interest rate (%).
- Enter Time: The number of years you plan to invest.
- Enter Compounds per Year: How often the interest is compounded (e.g., 1 for annually, 12 for monthly).
- Calculate: See the total amount and the interest earned.
Why is Compounding Important?
Compounding can have a significant impact on your investment returns over the long term. This calculator helps you visualize how your money can grow, making it a powerful tool for financial planning.
Loan EMI Calculator
Calculate your Equated Monthly Installment (EMI) for a loan.
Plan Your Loan Repayments with Confidence
Planning to take out a loan for a car, home, or personal expense? Our Loan EMI Calculator helps you estimate your Equated Monthly Installment (EMI). By entering the loan amount, interest rate, and tenure, you can instantly find out how much you'll need to pay each month.
How to Calculate EMI:
- Enter Loan Amount: The total amount you wish to borrow.
- Enter Interest Rate: The annual interest rate (%).
- Enter Loan Tenure: The repayment period in months.
- Calculate EMI: Click the button to get your monthly payment amount.
What is an EMI?
An EMI (Equated Monthly Installment) is a fixed payment amount made by a borrower to a lender on a specified date each month. EMIs are used to pay off both interest and principal each month so that over a specified number of years, the loan is paid off in full.
GST/Tax Calculator
Easily add or remove tax from an amount.
Simplify Your GST and Tax Calculations
Whether you're a business owner creating an invoice or a consumer checking a bill, our GST/Tax Calculator makes it easy to add or remove a tax amount from a price. You can quickly find the gross amount (with tax) or the net amount (without tax) for any given tax rate.
How to Use the Calculator:
- Enter Amount: Input the price, either inclusive or exclusive of tax.
- Enter Tax Rate: Input the tax rate percentage (e.g., 5, 18).
- Choose Action: Click "Add Tax" to find the total price including tax, or "Remove Tax" to find the original price before tax was added.
Why is this useful?
This tool eliminates manual calculation errors and provides instant results, saving you time and effort. It's essential for accurate financial record-keeping and transparent pricing.
BMR Calculator
Calculate your Basal Metabolic Rate (calories your body needs at rest).
Discover Your Body's Baseline Calorie Needs
Your Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic, life-sustaining functions at rest, such as breathing, circulation, and cell production. Knowing your BMR is the first step in setting effective diet and fitness goals.
How to Calculate Your BMR:
- Select Gender: Choose Male or Female.
- Enter Details: Input your current weight (kg), height (cm), and age.
- Calculate BMR: Click the button to find out your BMR.
How to Use Your BMR Result
Your BMR is a baseline. To determine your total daily calorie needs, you need to factor in your activity level. Use your BMR as a starting point and adjust your calorie intake based on whether your goal is to lose, maintain, or gain weight. For a more detailed estimate, use our Daily Calorie Calculator.
Daily Calorie Calculator
Estimate your daily calorie needs to maintain, lose, or gain weight.
Estimate Your Daily Calorie Requirements
This calculator helps you estimate the number of calories you should consume each day to maintain, lose, or gain weight. It is based on your BMR (Basal Metabolic Rate) and your average activity level, providing a personalized recommendation.
How to Calculate Your Daily Calorie Needs:
- Enter Your Details: Input your gender, weight (kg), height (cm), and age.
- Select Activity Level: Choose the option that best describes your weekly physical activity.
- Calculate: Click the button to see your estimated daily calorie needs.
Understanding the Results
The calculator provides an estimate for maintaining your current weight. For weight loss, a general rule is to consume about 500 calories less per day. For weight gain, aim for about 500 calories more. Always consult with a healthcare professional before making significant changes to your diet.
Date Difference Calculator
Calculate the duration between two dates.
Find the Duration Between Any Two Dates
Our Date Difference Calculator computes the total number of days between a start date and an end date. This tool is perfect for project management, event planning, tracking deadlines, or simply satisfying your curiosity about the time span between important historical moments.
How to Calculate the Difference:
- Select a Start Date: Use the calendar to pick the first date.
- Select an End Date: Use the calendar to pick the second date.
- Calculate: Click the "Calculate Difference" button to see the result.
Frequently Asked Questions (FAQ)
Q: Does the calculation include the end date?
A: The calculation measures the number of full days between the two selected dates. For example, the difference between today and tomorrow is 1 day.
Unit Converter
Convert common units of measurement.
toQuick and Accurate Unit Conversions
This all-in-one unit converter helps you easily switch between different units of measurement for length, weight, and temperature. Whether you're cooking, working on a school project, or traveling, get the precise conversions you need in an instant.
How to Convert Units:
- Select Conversion Type: Choose between Length, Weight, or Temperature.
- Enter Value: Input the number you want to convert.
- Select Units: Choose the unit you are converting 'from' and the unit you are converting 'to'.
- Convert: Click the button to see the immediate result.
Units Supported
- Length: Meters, Kilometers, Centimeters, Miles, Feet, Inches.
- Weight: Kilograms, Grams, Pounds, Ounces.
- Temperature: Celsius, Fahrenheit, Kelvin.
Fuel Cost Calculator
Estimate the fuel cost for a trip.
Plan Your Travel Budget with Our Fuel Cost Calculator
Planning a road trip? This calculator helps you estimate the total fuel cost for your journey. By providing the trip distance, your vehicle's fuel efficiency, and the current fuel price, you can get a reliable cost estimate to better plan your travel budget.
How to Calculate Fuel Cost:
- Enter Distance: Input the total distance of your trip in kilometers (km).
- Enter Fuel Efficiency: Input your car's average fuel consumption in kilometers per litre (km/L).
- Enter Fuel Price: Input the current price of fuel per litre.
- Calculate: Click the button to see the total estimated cost.
How to Find Your Fuel Efficiency
You can often find your vehicle's fuel efficiency in the owner's manual. Alternatively, you can calculate it by filling your tank, resetting your trip meter, driving until the tank is nearly empty, and then dividing the kilometers driven by the litres of fuel it takes to refill the tank.
Tip Calculator
Calculate the tip and total bill per person.
Calculate Tips and Split Bills Effortlessly
Dining out with friends? Our Tip Calculator takes the guesswork out of tipping and splitting the bill. Quickly calculate the appropriate tip amount and see the total bill, as well as how much each person needs to pay if you're sharing the cost.
How to Use the Tip Calculator:
- Enter Total Bill: Input the total amount from your bill.
- Enter Tip Percentage: Adjust the tip percentage to your liking (15% is standard).
- Enter Number of People: Input how many people are splitting the bill.
- Calculate: See a breakdown of the tip amount, total bill, and the cost per person.
Tipping Etiquette
While tipping customs vary by country, in many places a tip of 15-20% is standard for good service. This calculator helps you easily figure that out without any awkward math at the table.
Grade Calculator
Calculate your average grade from a list of scores.
Find Your Average Grade in Seconds
Keep track of your academic performance with our simple Grade Calculator. Enter a list of your assignment or test scores, and the tool will instantly compute your average grade. It's a must-have for students who want to stay on top of their studies.
How to Calculate Your Average Grade:
- Enter Scores: In the text box, type your scores separated by commas (e.g., 85, 92, 78, 95).
- Calculate: Click the "Calculate Average Grade" button.
- View Your Average: The tool will display your average score as a percentage.
Can I use weighted grades?
This calculator is designed for finding the simple average of a list of scores. It does not currently support weighted grades, where some assignments are worth more than others.
Area Calculator
Calculate the area of basic shapes.
Calculate the Area of Common Geometric Shapes
Whether you're a student working on a math problem or planning a home improvement project, our Area Calculator provides a quick and easy way to find the area of rectangles, circles, and triangles. Just select a shape and enter the required dimensions.
How to Calculate Area:
- Select a Shape: Choose Rectangle, Circle, or Triangle from the dropdown menu.
- Enter Dimensions:
- For a Rectangle, enter the Length and Width.
- For a Circle, enter the Radius.
- For a Triangle, enter the Base and Height.
- Calculate: Click the button to see the calculated area.
Formulas Used
The calculator uses standard geometric formulas: Area = Length × Width (Rectangle), Area = π × radius² (Circle), and Area = 0.5 × Base × Height (Triangle).
Investment ROI Calculator
Calculate the Return on Investment for your investments.
Measure the Profitability of Your Investments
Return on Investment (ROI) is a performance measure used to evaluate the efficiency or profitability of an investment. Our ROI calculator helps you determine the percentage return on an investment relative to its cost, allowing you to easily assess its success.
How to Calculate ROI:
- Enter Initial Investment: Input the total amount of money you invested.
- Enter Final Value: Input the final value of the investment when you sold it or its current value.
- Calculate: Click the "Calculate ROI" button.
Understanding the ROI Formula
The tool calculates ROI using the formula: ROI = [(Final Value - Initial Investment) / Initial Investment] × 100. A positive ROI indicates a profit, while a negative ROI indicates a loss.
Time Calculator
Add or subtract time durations.
Add and Subtract Time Durations with Ease
This Time Calculator allows you to perform arithmetic operations on time values. You can add two time durations together or subtract one from another. It's perfect for calculating total work hours, planning schedules, or figuring out time differences for projects.
How to Use the Time Calculator:
- Enter First Duration: Input the first value in days, hours, and minutes.
- Select Operation: Choose whether to Add (+) or Subtract (-).
- Enter Second Duration: Input the second value in days, hours, and minutes.
- Calculate: Click the button to see the resulting time duration.
How It Works
The calculator converts all inputs into total minutes, performs the addition or subtraction, and then converts the result back into a readable format of days, hours, and minutes.
Simple Income Tax Calculator
Enter your annual income for a simplified tax estimation (example rates).
Get a Quick Estimate of Your Annual Income Tax
This calculator provides a simplified estimation of income tax based on a progressive tax bracket system. Enter your annual income to get a rough idea of your tax liability. This tool is intended for informational and educational purposes only.
How to Estimate Your Tax:
- Enter Annual Income: Input your total annual income before taxes.
- Calculate: Click the "Calculate Tax" button to see the estimated tax amount.
Disclaimer
The tax rates used in this calculator are for example purposes only and may not reflect the current tax laws in your jurisdiction. It does not account for deductions, credits, or other factors. For accurate tax calculations, please consult a qualified financial advisor or refer to your local tax authority.
Scientific Calculator
A simple scientific calculator for advanced operations.
Perform Advanced Mathematical Operations Online
Our online Scientific Calculator provides more advanced functionality than a basic calculator. It includes functions for trigonometry, logarithms, and exponents. It's an essential tool for students and professionals in science, engineering, and mathematics.
How to Use the Scientific Calculator:
- Enter Expression: Use the on-screen buttons to input your mathematical expression. You can use numbers, operators, parentheses, and functions.
- Calculate: Press the equals (=) button to evaluate the expression.
- Clear or Edit: Use the 'C' button to clear the entire expression or 'del' to remove the last character.
Features
This calculator handles standard arithmetic operations, parentheses for order of operations, and provides a clean, easy-to-use interface for all your complex calculation needs.
About Us
Welcome to All-in-One Online Tools! Our mission is to provide a comprehensive, free, and easy-to-use suite of PDF utilities and calculators that are accessible to everyone, anywhere, directly from their web browser.
We believe that powerful tools shouldn't be complicated or expensive. That's why we've developed a range of applications designed to simplify your digital life. Whether you are a student, a professional, or someone who needs a quick calculation or document modification, our tools are built to be intuitive and efficient.
Our Commitment to Privacy
Your privacy and data security are our top priorities. All our tools are designed to work entirely within your browser (client-side). This means your files, documents, and any data you enter are **never uploaded to our servers**. Everything is processed on your own device, ensuring that your information remains private and secure. We do not collect or store any of your personal files.
We are dedicated to maintaining a high-quality, user-friendly experience and are continuously working to improve and expand our toolset. Thank you for choosing our website for your needs!
Contact Us
We would love to hear from you! If you have any questions, suggestions, feedback, or need assistance, please do not hesitate to reach out.
While we strive to provide a seamless experience, we understand that issues can arise. Your feedback is invaluable in helping us improve our services.
For all inquiries, please contact us via email at: subhashnageshwar67@gmail.com
We will do our best to respond to you as soon as possible. Thank you for using our tools!
Privacy Policy
Last Updated: August 7, 2025
Your privacy is critically important to us. It is our policy to respect your privacy regarding any information we may collect while operating our website.
1. Client-Side Operations and Data Security
The core principle of our service is privacy by design. All our tools, including PDF editors and calculators, operate entirely on the client-side, meaning they run locally in your web browser. **We do not upload, process, store, or have access to your files or any data you input into the tools.** Your data remains on your computer at all times.
2. Information We Collect
Since our tools operate client-side, we do not collect personal data submitted to the tools. However, like most website operators, we may collect non-personally-identifying information of the sort that web browsers and servers typically make available, such as browser type, language preference, referring site, and the date and time of each visitor request. Our purpose in collecting this non-personal information is to better understand how our visitors use the website and to improve our service.
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Terms and Conditions
Please read these Terms and Conditions ("Terms") carefully before using our website.
Your access to and use of the Service is conditioned on your acceptance of and compliance with these Terms. These Terms apply to all visitors, users, and others who access or use the Service.
1. Use of Service
Our services are provided for your personal and non-commercial use. You agree to use our tools only for lawful purposes. You are solely responsible for any data or content you create, modify, or process using our tools.
2. Disclaimer of Warranties
The tools and information on this website are provided on an "AS IS" and "AS AVAILABLE" basis. We make no warranties, expressed or implied, regarding the accuracy, reliability, or completeness of any tool or information on the site. We do not warrant that the service will be uninterrupted, timely, secure, or error-free.
3. Limitation of Liability
In no event shall the website, nor its owners or affiliates, be liable for any indirect, incidental, special, consequential, or punitive damages. Your use of any information or tools on this website is entirely at your own risk, for which we shall not be liable.
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5. Governing Law
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We reserve the right, at our sole discretion, to modify or replace these Terms at any time.
Disclaimer
The information and tools provided by our website are for general informational and educational purposes only. All information and tools on the site are provided in good faith, however, we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability, or completeness of any information or tool on the site.
The calculators are designed to be informational and educational tools only. The results are estimates based on the information you provide and are not a substitute for professional advice. We are not responsible for the consequences of any decisions or actions taken in reliance upon or as a result of the information provided by these tools.
UNDER NO CIRCUMSTANCE SHALL WE HAVE ANY LIABILITY TO YOU FOR ANY LOSS OR DAMAGE OF ANY KIND INCURRED AS A RESULT OF THE USE OF THE SITE OR RELIANCE ON ANY INFORMATION OR TOOL PROVIDED ON THE SITE. YOUR USE OF THE SITE AND YOUR RELIANCE ON ANY INFORMATION ON THE SITE IS SOLELY AT YOUR OWN RISK.