Developer Tools
Free AI tools
Practical calculators and formatters for developers working with LLMs. All tools are free and run in your browser — no API keys, no signup.
Estimation
⚡
AI Token Calculator
FreeCount tokens for Claude, GPT-4, Gemini, Llama, and 15+ other models before sending prompts. Avoid context limit errors.
tokens context pricing
💰
LLM Cost Calculator
FreeCalculate monthly API costs across providers. Compare Claude vs GPT-4 vs Gemini side-by-side and find the cheapest option.
cost api comparison
Planning
Local LLM
Formatting
More tools coming soon
Have a suggestion? Something missing from your workflow? Let us know →