AI Token Count Calculator
Paste text and estimate token count instantly. Useful for prompt sizing and model context planning.
Text input
Paste or type text to estimate AI token count.
This is an estimate. Exact token counts vary by model tokenizer.
Estimated token countApproximate number of tokens for your input.
Typical inputs process in under 1ms on modern browsers.
How to estimate token count
Estimate in 3 steps
Takes ~5 seconds- 1Paste text
Add your content in the input area.
- 2Run estimator
Click "Estimate tokens".
- 3Use result
Use the estimate for prompt and context planning.
Who should use this tool?
- Prompt engineers planning context usage
- Developers estimating model input size
- Teams reviewing AI content workflows
Examples
Estimates a short English phrase.
Counts CJK characters closer to one token each.
Handles mixed text and punctuation.
Estimate AI token count quickly
Get an approximate token count for prompt and response planning.
Use this AI token count calculator to estimate how many tokens your text may use with modern AI models. Paste your input, estimate token count instantly, and plan prompt size or context window usage more effectively. Everything runs locally in your browser for fast, private processing.
Estimate token usage before sending prompts to AI models.
- Fast estimate
- No server upload
- Great for drafts
Use estimates to manage context windows and cost expectations.
- Prompt budgeting
- Batch prep
- Content QA
Token estimation tips
Use estimates early, then validate with model-specific tokenizers when precision matters.
- Treat results as approximate and model-dependent.
- Keep safety margin for system prompts and tool responses.
- Recheck exact counts before production limits are enforced.
Frequently asked questions
Is this an exact token count?>
Why can counts differ across AI models?>
Is my text sent to a server?>
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