Calculate token counts and API costs for your AI prompts — before you send them
💡 Token estimation uses a 4:1 character-to-token ratio for English text. For precise counts, use the actual model's tokenizer.
🔒 We never store your API key. Validation happens locally in your browser.
How it works:
Note: This is an estimation. For precise token counts, use the actual model's tokenizer (OpenAI's tiktoken, Anthropic's tokenizer, etc.).
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