Developer Tools, Docked.
Free online tools for developers. All processing happens in your browser — your data never leaves your device.
JSON Formatter
Format, validate, and compress JSON data. Real-time syntax checking with error highlighting.
Regex Tester
Test regular expressions with real-time match highlighting and capture group inspection.
Base64 Codec
Encode and decode Base64 strings. Supports text input and binary file upload.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.
Code Screenshot
Create beautiful code screenshots for social media and presentations. Choose themes and export PNG.