Utilities

General purpose tools

10 tools available in this category

Pick colors and convert between HEX, RGB, and HSL

Generate cryptographic hashes (SHA-1, SHA-256, SHA-512)

Compare two texts and visualize differences line by line

Test regular expressions with visual feedback and match highlighting

Visual cron expression builder with human-readable descriptions

Decode and verify JWT tokens with claims viewer

Learn about our privacy-first approach and data handling

Terms and conditions for using DevKit tools

Complete guide to using DevKit's developer tools

Browse and search all available developer tools