Category
Developer Tools
20 tools in this category.
Regex Tester
Test regex with live matches.
Regex Pattern Library
Common patterns, ready to copy or combine.
JWT Inspector
Inspect JWT header & payload.
Cron Expression Builder
Build and explain cron expressions.
SQL Formatter
Format messy SQL.
SQL Beautifier
Beautify SQL queries.
JSON Diff
Compare two JSON objects line by line.
Text Diff Checker
Line-by-line diff.
JSON → TypeScript
Generate TypeScript interfaces from any JSON.
API Request Builder
Craft and send HTTP requests visually.
Curl Generator
Generate curl commands.
HTTP Status Code Explorer
Search every HTTP status.
UUID Validator
Validate UUID strings.
Hash Generator
SHA-1/256/384/512 hashes.
Hash Checker
Verify a hash matches.
Color Picker
Pick a color, get every format.
Color Palette Generator
Harmonious palettes from any base color.
CSS Gradient Generator
Beautiful CSS gradients.
Box Shadow Generator
Design CSS box-shadows.
CSS Clamp Generator
Fluid typography clamp().