All tools
Browse our complete collection of 214 free online tools. Pick a category or search by name.
214 tools found
- Merge PDFCombine several PDFs into one file
- Compress imageSmaller JPG, PNG and WebP files
- JSON formatterFormat, validate and minify JSON
- Percentage calculatorPercent of, change, increase
- QR code generatorCustom QR codes that never expire
- CSV to ExcelSpreadsheet-ready XLSX files
- Edit PDFAdd text, shapes and highlights
- Fill PDF formType into a PDF’s own form fields
- Compress PDFShrink file size, keep it readable
- PDF to WordTurn a PDF into an editable DOCX
- Organize PDFReorder, delete and rotate pages
- Remove backgroundCut out the subject automatically
- Resize imageSet exact pixels or a percentage
- Trim videoCut the start and end of a clip
- Compress videoSmaller files for sharing
- Video to GIFTurn a clip into a looping GIF
- Summarize textKey points from long documents
- ParaphraseReword text in a chosen tone
- Grammar fixCorrect spelling and grammar
- TranslateTranslate text between languages
- HEIC to JPGOpen iPhone photos anywhere
- PNG to JPGSmaller photos from PNG files
- SVG to PNGTurn vector graphics into PNG
- Base64 encode / decodeTurn text or files into Base64 and back
- Regex testerTest and debug regular expressions
- Diff checkerCompare two texts and see what changed
- Word counterCount words, characters and reading time
- Chinese name generatorYour name in Chinese, with meanings and sound
- Text case converterUPPERCASE, Title Case, camelCase and more
- Password generatorStrong random passwords and passphrases
- VAT & GST calculatorAdd or remove VAT and GST
- Age calculatorExact age in years, months and days
- Unit converterLength, weight, temperature and more
- Invoice generatorInvoices and quotes as PDF
- Shipping label makerPrint address labels for parcels
- Marketplace fee calculatorShopify, Etsy, Amazon and eBay fees
- Chinese stroke orderWatch, trace and practise 3,500 characters
- Pinyin inputType pinyin, get Chinese characters
- HSK flashcardsPractise the HSK characters: pinyin, meaning and listening
- Japanese stroke orderKana and 2,136 kanji to watch, trace and practise
- Crypto profit calculatorProfit, ROI and break-even price after fees
- Crypto average cost calculatorAverage buy price over many buys, and averaging down
- Liquidation price calculatorWhere a leveraged long or short gets liquidated
- Staking calculatorStaking rewards with APY or APR and compounding
- Mortgage calculatorMonthly repayment, interest and schedule
- Loan calculatorPayments and total interest on any loan
- Compound interest calculatorSavings growth with regular deposits
- Salary calculatorHourly, weekly, monthly and yearly pay
- BMI calculatorBody mass index in metric or imperial
- Calorie calculatorDaily calories to keep, lose or gain weight
- Due date calculatorPregnancy due date and week by week
- Ovulation calculatorFertile days and next periods
- Online stopwatchStopwatch with laps, full screen
- Online timerCountdown timer with an alarm sound
- Time zone converterWorld clock and meeting times across zones
- Pomodoro timer25-minute focus sessions with breaks
- Spin the wheelA wheel of names to pick a winner
- Random number generatorRandom numbers in any range
- Coin flipFlip a coin: heads or tails
- Dice rollerRoll one or more dice, any sides
- Mic testCheck your microphone works and hear it
- Webcam testCheck your camera, resolution and frame rate
- Typing speed testWords per minute and accuracy
- Keyboard testerSee every key you press light up
- Split PDFPull out pages or split into parts
- Remove blank pagesDelete empty pages from a PDF
- Delete PDF pagesRemove the pages you don’t need
- Rearrange PDFDrag pages into a new order
- Rotate PDFFix sideways or upside-down pages
- Crop PDFTrim margins or crop to an area
- Pages per sheetPrint several pages on one sheet
- Resize PDF pagesChange pages to A4, Letter and more
- Word to PDFConvert DOCX files to PDF
- PowerPoint to PDFConvert PPTX slides to PDF
- Excel to PDFConvert XLSX spreadsheets to PDF
- PDF to JPGExport every page as an image
- PDF to PNGSave pages as sharp PNG images
- PDF to TextPull the text out of a PDF
- JPG to PDFTurn JPG photos into a PDF
- OCR PDFMake scanned PDFs searchable
- Extract images from PDFSave the pictures inside a PDF
- PNG to PDFTurn PNG images into a PDF
- WebP to PDFTurn WebP images into a PDF
- GIF to PDFTurn GIF images into a PDF
- HEIC to PDFTurn iPhone photos into a PDF
- TIFF to PDFTurn TIFF scans into a PDF
- Compare PDFSee what changed between versions
- Sign PDFDraw or type your signature
- Add watermarkStamp text or a logo on pages
- Header & footerAdd headers, footers and Bates IDs
- Add page numbersNumber pages in any position
- Redact PDFBlack out private information
- Flatten PDFLock form answers into the page
- Grayscale PDFTurn a color PDF black and white
- Edit PDF metadataChange or remove title and author
- Protect PDFAdd a password to a PDF
- Unlock PDFRemove a password you know
- Make image squareFit photos in a square, no cropping
- Image to PDFBundle photos into one PDF
- Crop imageTrim to a free or fixed ratio
- Convert to WebPModern format for faster sites
- Upscale imageEnlarge without the blur
- Barcode generatorEAN, UPC, Code 128 and label sheets
- Rotate imageTurn photos 90°, 180° or any angle
- Flip imageMirror horizontally or vertically
- Black & whiteGrayscale, sepia or pure black and white
- Pixelate imageA blocky pixel effect, any strength
- Round imageCircle crop or rounded corners
- Add borderFrame a picture in any colour
- Add text to imageCaptions, titles and memes
- Add logo to imagePlace a logo or watermark on photos
- Split imageCut a picture into a grid or strips
- Combine imagesJoin pictures side by side or stacked
- View metadataSee and remove EXIF and GPS data
- Image to textCopy the text out of any picture
- Make background transparentTurn one colour see-through
- Collage makerArrange photos in a grid
- Chart makerBar, line and pie charts as images
- Icon to PNGFree icons as PNG or SVG files
- Favicon generatorICO, PNG & Apple icons from one image
- Extract audioSave the soundtrack as MP3
- Mute videoRemove the audio track
- GIF to MP4Much smaller videos from GIFs
- JSON to CSVFlatten JSON into rows
- JSON to YAMLTurn JSON into clean, readable YAML
- YAML to JSONConvert YAML config files to JSON
- JSON to XMLTurn JSON into well-formed XML
- XML to JSONConvert XML to JSON, attributes kept
- Markdown to PDFClean, printable documents
- EPS to PDFConvert EPS and PostScript files
- WebP to JPGOpen web images in any app
- GIF to JPGSave a GIF as a JPG photo
- TIFF to JPGShareable photos from TIFF scans
- JPG to PNGConvert photos to lossless PNG
- WebP to PNGLossless PNG from WebP images
- HEIC to PNGiPhone photos as lossless PNG
- TIFF to PNGEvery TIFF page as a PNG
- GIF to PNGA sharp PNG from a GIF
- JPG to GIFConvert photos to GIF images
- PNG to GIFGIFs that keep transparency
- WebP to GIFAnimated WebP to animated GIF
- JPG to TIFFTIFF files for print and archives
- PNG to TIFFConvert PNG images to TIFF
- JPG to AVIFMuch smaller photos for the web
- PNG to AVIFTiny AVIF files from PNG
- WebP to AVIFEven smaller than WebP
- HEIC to AVIFiPhone photos as web-ready AVIF
- GIF to AVIFStill AVIF images from GIFs
- GIF to APNGAnimations in full colour
- TIFF to TextRead the text in TIFF scans
- PNG to SVGTrace a PNG into vector shapes
- JPG to SVGTurn a JPG into a scalable SVG
- TIFF to SVGVectorise scans and line art
- PSD to SVGTrace a Photoshop file into SVG
- PSD to JPGOpen Photoshop files without Photoshop
- PSD to PNGPhotoshop files as transparent PNG
- PNG to EPSEPS files for print and design apps
- URL encode / decodePercent-encode and decode URLs
- UUID generatorRandom or time-ordered UUIDs in bulk
- Hash generatorMD5 and SHA checksums for text and files
- Unix timestamp converterConvert epoch time to dates and back
- JWT decoderRead a JWT’s header, payload and expiry
- HTML formatterBeautify or minify HTML markup
- CSS formatter & minifierTidy or compress stylesheets
- JavaScript formatter & minifierBeautify or minify JS with Terser
- Markdown editorWrite Markdown with a live preview
- SQL formatterIndent SQL queries in any dialect
- Color converterHEX, RGB, HSL, OKLCH and WCAG contrast
- Lorem ipsum generatorPlaceholder text in Latin, any length
- Character counterCount characters with and without spaces
- Remove duplicate linesDelete repeated lines from a list
- Sort linesSort a list A–Z, by number or length
- Find and replaceReplace words or patterns in text
- Fancy text generatorBold, italic and cursive text to copy
- Word cloud generatorTurn text into a word cloud image
- Text to speechRead text aloud and choose the voice
- Discount calculatorSale price, savings and tax
- Profit margin calculatorMargin, markup, cost and price
- Date calculatorDays between dates, add or subtract
- Scientific calculatorTrig, logs, powers and memory
- Fraction calculatorAdd, subtract, multiply and simplify fractions
- GPA calculatorGrade point average from your courses
- Final grade calculatorThe exam score you need for your goal
- Standard deviation calculatorMean, variance and standard deviation
- Multiplication tableTimes tables to print and practise
- Black Friday profit calculatorYour safe discount and profit per order
- ROAS calculatorReturn on ad spend and break-even ROAS
- E-commerce profit calculatorYour store’s net profit for the month
- Dropshipping profit calculatorProfit per product after every cost
- Print on demand profit calculatorProfit on each POD product
- Triple discount calculatorStacked discounts and the price to list
- Pinyin tone marksType ni3 hao3, get nǐ hǎo
- Simplified ↔ Traditional ChineseConvert phrase by phrase, Taiwan or Hong Kong
- Pinyin & Zhuyin annotatorAdd pinyin or ㄅㄆㄇㄈ above Chinese text
- Tone trainerHear a syllable, pick its tone
- Chinese number converter1234 → 一千二百三十四 and 壹仟贰佰叁拾肆
- Position size calculatorHow much to buy to risk only what you choose
- ETH unit converterWei, gwei and ether, exact, plus gas fees
- Satoshi converterSats, bits, mBTC and BTC, exact to the satoshi
- Tip calculatorTip and split the bill between people
- Retirement calculatorWhat your savings could grow to
- ROI calculatorReturn on investment and yearly return
- Inflation calculatorWhat money is worth after inflation
- BMR calculatorCalories your body burns at rest
- Body fat calculatorBody fat percentage from tape measurements
- Water intake calculatorHow much water to drink each day
- Countdown to a dateDays, hours and minutes until an event
- Online alarm clockSet an alarm in your browser
- Random team generatorSplit names into fair random teams
- List randomizerShuffle a list or pick random items
- Click speed testClicks per second in 5 to 60 seconds
- Reaction time testHow fast you react, in milliseconds
- Dead pixel testFull-screen colours to spot bad pixels
- What is my screen resolutionScreen size, pixel ratio and viewport