Developer Tools
Free, open-source tools that run entirely in your browser. No data is sent to any server.
🤖 LLM API Tester
Test OpenAI, Anthropic, Google Gemini, OpenRouter and other LLM APIs directly from your browser. Nothing is stored or logged.
AI API
🔐 Password Generator
Generate secure random passwords with customizable length, character types, and strength indicator.
Security Generator
📋 JSON Formatter
Format, minify, URL-encode, or decode JSON data with syntax validation.
JSON Formatter
🔤 Base64 Encode / Decode
Encode text to Base64 or decode Base64 strings back to readable text.
Encoding Base64
More tools coming soon! 🛠️
Have a suggestion? Open an issue on GitHub.