A collection of free online tools for developers, designers, and security-conscious users.
Paste any code and get a clear, plain English explanation powered by Claude AI
Check how strong your password is and get security recommendations
Generate secure, random passwords with customizable options
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
Encode and decode text to and from Base64 format
Encode and decode URLs and query strings
Format, validate, and minify JSON data
Convert colors between HEX, RGB, HSL formats
Convert text between different cases - uppercase, lowercase, title case
All tools are free. Standard tools process data locally in your browser. AI-powered tools use Claude for processing.