Developer tools that
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Format JSON, encode Base64, test regex, decode JWTs — all running locally in your browser. No data leaves your device.
🛠 Popular Tools
View all 17 →JSON Formatter
Format, validate & minify JSON
Base64 Encoder
Encode & decode Base64 strings
Regex Tester
Test regular expressions live
UUID Generator
Generate random UUIDs v4
Hash Generator
SHA-1, SHA-256, SHA-512
Password Generator
Strong, secure passwords
JWT Decoder
Decode & inspect JWT tokens
URL Encoder
Encode & decode URLs
Timestamp Converter
Unix ↔ Human dates
JSON ↔ YAML
Convert between formats
Color Converter
HEX, RGB, HSL conversion
Markdown Preview
Live HTML preview
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