9 tools
Developer Tools
Format, validate, decode, debug.
JSON Formatter
Format, validate and minify JSON with clear error messages.
JWT Decoder
Decode the header and payload of any JSON Web Token instantly.
Regex Tester
Test regular expressions live against any sample text.
UUID Generator
Generate v4 (random) UUIDs in bulk.
Hash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 hashes from any text.
HTML Formatter
Beautify or minify HTML markup with sensible defaults.
CSS Minifier
Minify CSS by stripping whitespace, comments and redundant tokens.
JS Beautifier
Reformat minified JavaScript into readable code.
Cron Expression Generator
Build and explain cron expressions in plain English.