justyourdevAll developer tools
Every tool runs in your browser. Free, private, no signup.
Format & minify
- JSON formatterPretty-print and indent JSON
- JSON validatorCheck JSON and find syntax errors
- JSON minifierStrip whitespace from JSON
- XML formatterIndent XML so it's readable
- SQL formatterFormat SQL queries for readability
- HTML formatterBeautify and indent HTML
- CSS formatterBeautify and indent CSS
- JavaScript formatterBeautify JavaScript code
- CSS minifierMinify CSS to cut file size
- JavaScript minifierMinify JavaScript with Terser
- HTML minifierCompress HTML by removing whitespace
Convert
- JSON to CSVTurn a JSON array into CSV
- CSV to JSONTurn CSV rows into JSON
- JSON to YAMLConvert JSON into YAML
- YAML to JSONConvert YAML into JSON
- JSON to XMLConvert JSON into XML
- XML to JSONConvert XML into JSON
- Timestamp converterConvert Unix epoch time to dates
- Number base converterBinary, octal, decimal and hex
- Markdown previewPreview Markdown and get HTML
Encode & decode
Generate
- UUID generatorGenerate random v4 or time-ordered v7 UUIDs
- Password generatorCreate strong random passwords
- Random string generatorRandom strings, tokens and IDs
- Hash generatorMD5, SHA-1, SHA-256 and SHA-512 hashes
- HMAC generatorSign a message with an HMAC key
- Lorem ipsum generatorPlaceholder text for layouts
Test & inspect
Looking something up instead? See the developer reference for HTTP status codes, MIME types, the ASCII table and cheat sheets.