Developer Tools
Essential online tools for developers: JSON formatter, Base64 encoder/decoder, color picker—boost your productivity.
CSS Formatter & Minifier
Online CSS formatting and minification tool. One-click beautify/minify CSS code, supporting custom indentation, property sorting, and more.
HTML Entity Encoder/Decoder
Online HTML entity encoding/decoding tool, supports escaping and unescaping of all HTML special characters to prevent XSS attacks.
Regex Tester
Online regex testing tool supporting real-time matching, highlighting, group extraction, and replacement testing. Supports PCRE/JavaScript syntax.
JSON Formatter
Online JSON formatting, validation, and compression tool, supporting syntax highlighting and tree view
Base64 Encoding and Decoding
Base64 encoding and decoding tool, supporting strings and files
Color Picker
Online color picker, supports conversion between HEX, RGB, HSL formats
Password Strength Checker
Real-time password strength analysis with security score and tips. 100% local, never uploaded.
SQL Formatter
Beautify, minify and convert SQL keyword case with syntax highlighting.
Code Minifier & Beautifier
Minify and beautify HTML/CSS/JavaScript with compression ratio display.