Developer Tools
Indispensable formatting, encoding, and conversion utilities for engineers.
JSON Formatter & Validator
Prettify, minify, validate, and debug JSON data with syntax error detection and hierarchy tree.
Base64 Encoder / Decoder
Encode text to Base64 format and decode Base64 strings back to readable UTF-8 text securely.
URL Encoder / Decoder
Encode special characters for query strings or decode percent-encoded URLs into readable links.
UUID / GUID Generator
Generate cryptographically unique UUID v4 identifiers individually or in bulk with custom casing.
Unix Timestamp Converter
Convert epoch timestamps (seconds/milliseconds) to human-readable dates and dates back to timestamps.
QR Code Generator
Create customized high-resolution QR codes for websites, WiFi networks, text, and vCards with instant download.
Color Picker & Converter (HEX / RGB / HSL)
Pick colors visually and convert seamlessly between HEX, RGB, HSL, and CMYK with CSS ready-to-copy code.
HTML Entity Encoder / Decoder
Encode special characters into HTML entities (&, <, etc.) and decode HTML entities back to characters.
CSS Minifier & Optimizer
Minify CSS stylesheets by stripping comments, whitespace, and redundant rules for faster web loading.