How to Use
- Paste your article, prompt, or script.
- Review live counts and token estimates on the right.
- Select a model and enter your pricing, FX rate, and output multiplier.
- Click Copy Summary or Export CSV for reporting.
Core Features
- Count words, characters, sentences, and paragraphs in real time.
- Estimate input/output tokens for GPT- and Gemini-style models.
- Calculate projected API cost from the pricing and FX rate you set.
- Measure CJK character counts for Chinese/Japanese/Korean text.
- Forecast reading and speaking time from adjustable WPM settings.
- Export a shareable summaryโeverything stays local and private.
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Calculation Logic
- Word splitting can use
Intl.Segmenterwhen available for better accuracy. - Token counts are estimates: (ratio varies by model and language).
- Cost is computed from the prices you input, avoiding stale pricing tables.
FAQ
- Is it free? Any limits?
- Yesโcore counting and token estimation are free.
- Is my text private? Do you upload it?
- No. Everything runs client-side in your browser with no uploads.
- How do I estimate GPT/Gemini API cost from text?
- Paste text, choose a model, and enter your input/output prices plus output multiplier.
- Why can estimated tokens differ from exact billed tokens? (Technical)
- Tokenization rules differ by model and language; whitespace/punctuation/Unicode can change counts. Estimates are best for budgeting.
- Does it handle CJK accurately?
- YesโCJK-aware counting helps you budget prompts and scripts more reliably.