Token Counter & Prompt Size Estimator - Free, No Login

Input Text (Prompt)

Output Text (Response)

Estimate output tokens

Output ratio:0.5x

Estimated: ~0 tokens

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Select Context Windows to Compare

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Token counting and context math run in this browser. Your pasted text is not sent to an AI Coding Club API.

Token counts and context percentages are planning estimates. Provider-native tokenizers and context tiers can differ, so verify critical limits with the model provider before production use.