Developer Tools & Utilities

Format, validate, and prettify JSON data with syntax highlighting and error detection.

Convert JSON to TOON (Token-Oriented Object Notation) and back. Optimize tokens for Large Language Model prompts.

Generate secure passwords with custom settings.

Generate Version 1, 4, and 7 UUIDs for applications and databases.

Build and validate CRON expressions with human-readable descriptions and examples.

Convert Unix timestamps to human-readable dates with timezone support and batch processing.

Generate placeholder text for layouts and designs with custom length options.

Convert colors between HEX, RGB, HSL, HSV, CMYK, and OKLCH formats with decimal precision and live preview.

Generate favicon files from any image. Create ICO, PNG, and webmanifest for all devices and browsers.

Encode and decode Base64 strings quickly and easily with real-time conversion.

Encode and decode URLs for safe transmission with multiple encoding modes and batch processing.

Compare text files side-by-side with highlighted differences and merge capabilities.

Decode, verify, and encode JWT tokens with support for all major signing algorithms.

Generate secure hash values using multiple algorithms including SHA-256, MD5, bcrypt, and more with performance monitoring.

Generate QR codes from text, URLs, and data with customizable size and format.

Generate beautiful color palettes with hex, and RGB values.

Test and debug regular expressions with live matching.