Developer tools
Format and convert JSON, decode JWTs, encode Base64, hash files and generate UUIDs in your browser. Nothing is uploaded.
- Favicon GeneratorNewMake a favicon and app icons from any image
- JSON FormatterNewFormat, validate and minify JSON
- JSON to CSVNewConvert JSON to CSV for Excel, and back
- JSON to YAMLNewConvert JSON to YAML, and YAML to JSON
- JSON to TypeScriptNewGenerate TypeScript types from JSON
- JWT DecoderNewDecode JWTs and check their signature
- Base64 Encoder & DecoderNewEncode and decode Base64 text and files
- Hash GeneratorNewMD5, SHA-1 and SHA-256 hashes of text or files
- UUID GeneratorNewGenerate random v4 or time-ordered v7 UUIDs
- Password GeneratorNewStrong random passwords and passphrases
- Diff CheckerNewCompare two texts and see what changed
- URL Encoder & DecoderNewPercent-encode and decode URLs and query strings
- Unix Timestamp ConverterNewConvert Unix timestamps to dates and back
- Case ConverterNewcamelCase, snake_case, Title Case and more
- Regex TesterNewTest JavaScript regular expressions live
- Color ConverterNewHEX, RGB, HSL and OKLCH, with a contrast checker
- SQL FormatterNewFormat and beautify SQL queries
- Cron Expression ExplainerNewRead cron schedules in plain English