Developer Tools
JSON formatter, regex tester, color converter, hash generator, UUID generator, diff checker — all in one place.
7 toolsNo signup · Files stay in browser · 100% free
All Developer Tools
Popular
JSON Formatter
Format, validate, and beautify JSON with syntax highlighting.
Open Tool →
Regex Tester
Test regular expressions with real-time match highlighting.
Open Tool →
Color Converter
Convert between HEX, RGB, HSL, HSV, and CMYK color formats.
Open Tool →
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
Open Tool →
New
UUID Generator
Generate v1, v4, and v7 UUIDs. Bulk generate up to 100 at once.
Open Tool →
Base64 Image Encoder
Encode images to Base64 data URIs for embedding in CSS and HTML.
Open Tool →
Code Diff Checker
Compare two code snippets with syntax-aware diff highlighting.
Open Tool →