Free online tools that just work
Fast, free and private online tools for developers, writers and everyday math. No sign-up, everything runs in your browser.
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- No sign-up
- Runs in your browser
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PDF Tools
Merge, split, compress and convert PDF files privately in your browser.
PDF to TextExtract the text of a PDF page by page, copy it or download a .txt file. Works in your browser, supports Vietnamese and more, and nothing is uploaded.Watermark PDFAdd a text or logo watermark to a PDF: set opacity, angle, position or tile it across the page, on all or selected pages. Private: nothing is uploaded.Add Page Numbers to PDFAdd page numbers to a PDF in your browser: choose the position, a style like “Page 1 of 10”, the start page and number, and the font size. Nothing is uploaded.Rotate PDFRotate PDF pages by 90°, 180° or 270°: all of them or only the pages you pick. See the result in thumbnails and save a new file. Free, and nothing is uploaded.Sign PDFSign a PDF by drawing, typing or uploading your signature, then drag it into place on any page and add the date. Free, no sign-up, and nothing is uploaded.Organize PDF PagesReorder PDF pages by dragging thumbnails, rotate pages and delete the ones you do not need, then save a new PDF. Runs in your browser, nothing is uploaded.
View all · 11 toolsFinance Calculators
Loans, mortgages, interest, savings and everyday money math.
Health & Fitness
BMI, calories, body fat, pregnancy and fitness calculators.
Math & Date Calculators
Percentages, fractions, ages, dates and time calculations.
Age CalculatorFind your exact age in years, months and days, plus total weeks and days, the weekday you were born and a countdown to your next birthday.Percentage CalculatorWork out X% of a number, what percent one number is of another, and the percentage increase or decrease. Shows the formula with your own numbers.
View all · 2 toolsDeveloper Tools
Format, convert and debug code and data.
Punycode ConverterConvert internationalised domain names to Punycode (xn--) and back, in bulk: domains, e-mail addresses and URLs. Free, instant, nothing is sent anywhere.Base64 Encode / DecodeDecode and encode Base64 online with full UTF-8 support, URL-safe mode and clear error messages. Convert files to data URLs. Private: runs in your browser.JSON Formatter & ValidatorFormat, beautify, minify and validate JSON instantly. Shows the exact line of syntax errors. Free and private — runs in your browser.
View all · 3 toolsText Tools
Count, clean up and transform text.
Generators
Passwords, UUIDs, random numbers, placeholder text and more.
Password GeneratorCreate strong, random passwords up to 128 characters with letters, numbers and symbols. See the strength in bits. Generated privately in your browser.UUID GeneratorGenerate random version 4 UUIDs (GUIDs) instantly, from 1 up to 500 at a time, in upper or lower case, with or without hyphens. Copy or download as .txt.
View all · 2 toolsUnit Converters
Convert length, weight, temperature, volume and other units.
Audio CutterCut a part out of an MP3, WAV or M4A file in your browser. Pick the range on the waveform, add fade in and out, and save as MP3 or WAV. Nothing is uploaded.Video to GIFTurn a clip of an MP4, MOV or WebM video into an animated GIF in your browser. Trim start and end, set frame rate and width, then download. Nothing is uploaded.MP4 to MP3Extract the audio of an MP4, MOV or WebM video as an MP3 file in your browser. Choose quality and mono or stereo. Free, no sign-up, nothing is uploaded.
View all · 3 toolsImage Tools
Compress, resize, crop and convert images in your browser.
Image to Base64Convert a PNG, JPG, GIF, WebP or SVG image to a Base64 data URL, with ready-to-paste HTML, CSS and Markdown code. Runs in your browser, nothing is uploaded.Image CropperCrop photos by dragging the frame. Choose 1:1, 4:5, 16:9 or a custom ratio, rotate if needed, and download JPG, PNG or WebP. Nothing is uploaded.Image to Text (OCR)Extract text from photos, screenshots and scans with free OCR in seven languages including Vietnamese. It runs in your browser: nothing is uploaded.HEIC to JPGConvert HEIC and HEIF photos from your iPhone to JPG or PNG in your browser. Batch convert, download a ZIP, and keep your photos private: nothing is uploaded.Image ConverterConvert images between PNG, JPG and WebP, or turn SVG into PNG, with a background colour for transparency and batch ZIP download. Private: nothing is uploaded.Image ResizerResize JPG, PNG and WebP images by width and height, by percent or to Instagram, Facebook, YouTube and X sizes. Free and private: nothing is uploaded.
View all · 8 tools