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QR code generatorLinks, Wi-Fi, contacts and more. Static codes that never expire.Password generatorStrong random passwords from your browser's secure generator.

Images and codes

Image compressor and converterCompress, resize and convert images, and strip hidden photo data.Barcode generatorCode 128, EAN-13, EAN-8, UPC-A, Code 39 and ITF-14 as PNG or SVG.Colour palette and contrast checkerExtract colours from an image, check WCAG contrast, convert HEX, RGB, HSL.

Documents and text

PDF tools: images to PDF, merge, splitMake a PDF from images, merge, split, rotate and extract pages.Text toolkitWord counter, case converter, accent remover, space cleaner and slug maker.Text and file diff checkerCompare two texts or files, highlight changes and copy a unified diff.

Developer

JSON formatter and validatorValidate, pretty print, minify and sort JSON with clear errors.File hash checkerSHA-256, SHA-1, SHA-512 and MD5 of a file or text, with a compare field.CSV and JSON converterConvert CSV to JSON and back: quotes, any separator, nested data.

Numbers

Number to wordsWrite numbers and amounts in words, in seven languages.Percentage calculatorPercent of, what percent, percent change, increase and decrease.

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QR code generatorPassword generator

Images and codes

Image compressor and converterBarcode generatorColour palette and contrast checker

Documents and text

PDF tools: images to PDF, merge, splitText toolkitText and file diff checker

Developer

JSON formatter and validatorFile hash checkerCSV and JSON converter

Numbers

Number to wordsPercentage calculator

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Numbers

Calculators and converters for everyday numbers: write amounts in words in seven languages, and work out percentages without a spreadsheet.

Number to words
Write numbers and amounts in words, in seven languages.
Percentage calculator
Percent of, what percent, percent change, increase and decrease.

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Tools

QR code generator
Image compressor and converter
PDF tools: images to PDF, merge, split
Text toolkit
Password generator
JSON formatter and validator
File hash checker
Barcode generator
Colour palette and contrast checker
CSV and JSON converter
Text and file diff checker
Number to words
Percentage calculator
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Images and codes
Documents and text
Developer
Numbers

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