Calculate your age, EMI, or BMI. Merge PDFs, compress images, format JSON, set a timer, pick a random name — each tool does one job well, loads instantly, and never sends your data to a server.
Every tool below also lives in the full list further down — pick a category for a focused view, or scroll for everything at once.
Merge, split, compress, watermark, and edit PDF files entirely in your browser — no upload, no account, nothing installed.
8 toolsResize, compress, crop, and convert images, plus a few image-measurement calculators — all processed on your own device.
17 toolsCount, clean, convert, cipher, and analyze text — from a simple word counter to Morse code and fancy Unicode styles.
21 toolsJSON, XML, YAML, SQL, regex, hashing, encoding, and the everyday utilities developers reach for — plus password strength and generation.
19 toolsLoans, savings, investments, and everyday money math — EMI, GST, interest, net worth, and more, tuned for Indian and global users alike.
8 toolsBMI, calories, body fat, ideal weight, and a few pregnancy and fitness calculators — quick estimates, not medical advice.
16 toolsFrom basic arithmetic to statistics, matrices, and Ohm's law — calculators for students, engineers, and the curious.
15 toolsThe tools you reach for constantly — age and date calculators, timers, unit conversion, to-do lists, and more.
3 toolsGPA, CGPA, and attendance calculators for students keeping track of where they stand.
3 toolsColor conversion, gradients, and accessibility contrast checking for designers and front-end developers.
10 toolsWheel spinners, name pickers, love calculators, and other lighthearted tools — for parties, giveaways, and killing time.
Everything on ToolBench runs client-side in JavaScript. Nothing you paste, type, or upload is sent anywhere.
Number every page with your choice of position, start, and format.
PDF ToolsStamp a diagonal text watermark across every page.
PDF ToolsSee what text changed between two versions of a PDF.
PDF ToolsShrink a PDF's file size with an adjustable quality slider.
PDF ToolsTrim a fixed margin off every page of a PDF.
PDF ToolsCombine JPG or PNG photos into a single multi-page PDF.
PDF ToolsCombine multiple PDF files into one, in any order you choose.
PDF ToolsConvert a color PDF to grayscale or pure black and white.
PDF ToolsCheck page count, file size, dimensions, and orientation.
PDF ToolsView, edit, or clear a PDF's title, author, and keywords.
PDF ToolsConvert every page of a PDF into a downloadable PNG image.
PDF ToolsExtract all readable text from a PDF, page by page.
PDF ToolsDrag to reorder, duplicate, or insert blank pages.
PDF ToolsRotate individual pages or remove ones you don't need, then export.
PDF ToolsPull out a page range or split every page into its own file.
Find DPI from pixel size, or print size from a target DPI.
Image ToolsTurn any image into a full set of favicon sizes, packaged and ready.
Image ToolsUpload a photo and click anywhere to read that pixel's HEX color.
Image ToolsShrink JPG or PNG file size with an adjustable quality slider.
Image ToolsDrag a selection box to crop any image, then download the result.
Image ToolsConvert between PNG, JPG, and WebP right in your browser.
Image ToolsResize an image to exact dimensions or a percentage, keeping ratio.
Image ToolsConvert an image file into a Base64 data URI for embedding in CSS or HTML.
Convert text to character codes, or codes back to text.
Text & Writing ToolsSwitch text between UPPERCASE, lowercase, Title Case, Sentence case, and camelCase.
Text & Writing ToolsTurn plain text into bold, bubble, small caps, and other Unicode styles.
Text & Writing ToolsSort, deduplicate, shuffle, or reverse a list — one item per line.
Text & Writing ToolsGenerate placeholder text by paragraphs, sentences, or words.
Text & Writing ToolsConvert text to Morse code and back, with audio playback.
Text & Writing ToolsSpell out text using Alpha, Bravo, Charlie, and the rest.
Text & Writing ToolsCheck palindromes, anagrams, and pangrams in one place.
Text & Writing ToolsShift letters by any amount to encode or decode text.
Text & Writing ToolsStrip all emojis from a block of text instantly.
Text & Writing ToolsFind the union, intersection, or difference between two lists.
Text & Writing ToolsRemove duplicate or empty lines, extra spaces, and find & replace.
Text & Writing ToolsCompare two texts line by line and see what changed.
Text & Writing ToolsPull out every email, URL, phone number, or hashtag from a block of text.
Text & Writing ToolsRepeat any text a chosen number of times with your choice of separator.
Text & Writing ToolsLive word count, character count, sentence count, and reading time as you type.
Text & Writing ToolsSee how often each word appears, plus the longest and shortest words.
Generate a Code128, EAN-13, or UPC-A barcode and download it.
Developer & Security ToolsConvert text to and from Base64 instantly, both directions.
Developer & Security ToolsConvert CSV to JSON or JSON to CSV, handling quoted fields correctly.
Developer & Security ToolsBeautify or minify HTML, CSS, or JavaScript.
Developer & Security ToolsGet MD5, SHA-1, SHA-256, and SHA-512 hashes of any text at once.
Developer & Security ToolsPretty-print, minify, and validate JSON with clear error locations.
Developer & Security ToolsSee which words and phrases appear most in your content.
Developer & Security ToolsWrite Markdown on the left, see rendered HTML on the right, live.
Developer & Security ToolsCreate strong random passwords with adjustable length and character sets.
Developer & Security ToolsSee how strong a password is and get specific ways to improve it.
Developer & Security ToolsTurn any link or text into a downloadable QR code, no watermark.
Developer & Security ToolsScan a QR code with your camera or by uploading an image.
Developer & Security ToolsTest a regular expression against sample text with live highlighting.
Developer & Security ToolsGenerate a ready-to-upload robots.txt with crawler rules.
Developer & Security ToolsPretty-print a messy SQL query with proper line breaks.
Developer & Security ToolsGenerate a ready-to-upload sitemap.xml from a list of URLs.
Developer & Security ToolsEncode or decode URLs and HTML entities, both directions.
Developer & Security ToolsGenerate one or hundreds of random version-4 UUIDs, in the format you need.
Developer & Security ToolsPretty-print and validate XML with proper indentation.
Developer & Security ToolsConvert XML to JSON or JSON to XML instantly.
Developer & Security ToolsConvert YAML to JSON or JSON to YAML instantly.
Work out a bonus amount from salary and percentage.
Finance & Money CalculatorsFind the compound annual growth rate between a start and end value.
Finance & Money CalculatorsConvert between world currencies using live exchange rates.
Finance & Money CalculatorsWork out the sale price and savings from one or two stacked discounts.
Finance & Money CalculatorsWork out your monthly loan EMI and total interest payable.
Finance & Money CalculatorsFind your target emergency fund size and how long it'll take to save it.
Finance & Money CalculatorsFind your financial independence number and years to reach it.
Finance & Money CalculatorsAdd or remove GST from an amount at any standard rate.
Finance & Money CalculatorsSee what money will be worth in the future, or was worth in the past.
Finance & Money CalculatorsCalculate simple or compound interest on any principal over time.
Finance & Money CalculatorsFind your monthly mortgage payment from home price, down payment, rate, and term.
Finance & Money CalculatorsList your assets and liabilities to find your net worth.
Finance & Money CalculatorsFind what a lump sum is worth today, or will be worth in the future.
Finance & Money CalculatorsGet both margin and markup from cost and selling price.
Finance & Money CalculatorsFind the maturity value of a monthly RD deposit.
Finance & Money CalculatorsConvert a salary between hourly, daily, weekly, monthly, and annual.
Finance & Money CalculatorsFind the monthly saving needed to reach a target amount by a deadline.
Finance & Money CalculatorsFind your average buy price across multiple purchases.
Finance & Money CalculatorsWork out the tip and split the bill between everyone at the table.
Find your daily calorie needs based on activity level.
Health & Fitness CalculatorsEstimate body fat using the U.S. Navy tape-measure method.
Health & Fitness CalculatorsGet a daily calorie target for losing, maintaining, or gaining weight.
Health & Fitness CalculatorsThree well-known formulas for estimated ideal body weight.
Health & Fitness CalculatorsEstimate your 1RM and a training percentage table.
Health & Fitness CalculatorsEstimate your fertile window from your last period and cycle length.
Health & Fitness CalculatorsFind running pace, average speed, or time for any distance.
Health & Fitness CalculatorsEstimate your due date and current week from your last period.
Add, subtract, multiply, or divide fractions with a simplified result.
Math & Science ToolsFind the greatest common divisor and least common multiple of numbers.
Math & Science ToolsAdd, subtract, or multiply matrices of any size.
Math & Science ToolsConvert between binary, octal, decimal, and hexadecimal, all at once.
Math & Science ToolsSpell out a number in words, international or Indian numbering.
Math & Science ToolsFind voltage, current, resistance, or power from any two values.
Math & Science ToolsFind a value's percentile rank, or the value at a given percentile.
Math & Science ToolsCalculate nPr and nCr for any n and r.
Math & Science ToolsCheck if a number is prime and see its full prime factorization.
Math & Science ToolsSolve ax² + bx + c = 0 for real or complex roots.
Math & Science ToolsRandom numbers in a range, dice rolls, and coin flips.
Math & Science ToolsConvert between numbers and Roman numerals.
Math & Science ToolsFind the sample size needed for a statistically representative survey.
Math & Science ToolsTrigonometry, logarithms, powers, roots, and memory — all in your browser.
Math & Science ToolsMean, median, mode, range, variance, and standard deviation from a list.
Math & Science ToolsConvert spelled-out numbers back into digits.
Find your exact age in years, months, and days from a date of birth.
Everyday & Date/Time ToolsCalculate Body Mass Index from height and weight, metric or imperial.
Everyday & Date/Time ToolsCount working days between two dates, or add working days to a date.
Everyday & Date/Time ToolsFind the day of week, week number, and leap year status for any date.
Everyday & Date/Time ToolsSet a timer in minutes and seconds with a sound alert at zero.
Everyday & Date/Time ToolsFind exactly how many days, months, or years lie between two dates.
Everyday & Date/Time ToolsEstimate download or upload time from file size and connection speed.
Everyday & Date/Time ToolsConvert land area between acres, hectares, bigha, guntha, and more.
Everyday & Date/Time ToolsEstimate how much paint you need for a room.
Everyday & Date/Time ToolsFind a percentage of a number, percentage change, and percentage difference.
Everyday & Date/Time ToolsStart, pause, and record laps, accurate to the hundredth of a second.
Everyday & Date/Time ToolsConvert a date and time between any two time zones.
Everyday & Date/Time ToolsConvert a Unix timestamp to a date, or a date to a timestamp.
Everyday & Date/Time ToolsA simple task list that saves automatically in your browser.
Everyday & Date/Time ToolsLength, weight, and temperature conversions with instant results.
See your attendance percentage and what's needed to hit a target.
Education ToolsCalculate CGPA from subject-wise grade points and credits.
Education ToolsCalculate GPA from letter grades and credit hours on a 4.0 scale.
Build a linear or radial gradient visually and copy the CSS.
Design ToolsCheck colors against WCAG AA and AAA accessibility standards.
Design ToolsConvert between HEX, RGB, and HSL with a live preview swatch.
Count down the days, hours, and minutes to your next birthday.
Fun & Random ToolsConvert your pet's age into human years.
Fun & Random ToolsA lighthearted compatibility percentage from two names.
Fun & Random ToolsGet a batch of nickname ideas based on any name.
Fun & Random ToolsFind your life path number and name number.
Fun & Random ToolsSpin a wheel to pick a random winner from a list of names.
Fun & Random ToolsRandomly assign gift-giving pairs with no one drawing themselves.
Fun & Random ToolsGet a batch of username ideas from any word or name.
Fun & Random ToolsSpin a customizable wheel to make a random pick from any list.
Fun & Random ToolsFind your Western zodiac sign and Chinese zodiac animal.