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Why token counts matter
LLMs bill and truncate by tokens, not characters. Accurate estimates prevent surprise cutoffs mid-response and help compare model pricing.
How to use this tool
Pick a model tokenizer. Paste text. Watch counts update. Use the full tool for batching and comparisons.
Use cases
RAG chunk sizing, prompt engineering, cost previews, teaching tokenizer quirks.
Privacy and security
Editor and conversion workflows run in your browser without uploading your content to our servers for those steps. Clear sensitive data when you finish, especially on shared machines.