AI Prompt Token Counter

Paste your prompt and see an approximate token count for the model you are targeting. Also shows estimated cost per request. Token counts are estimates based on character ratios.

100% freeNo sign-upRuns in your browserNo upload · data stays private

📖 Read the full AI Prompt Token Counter guide — how it works, examples & FAQ →

How to use this tool

  1. Paste your prompt.
  2. Select the model.
  3. Read the approximate token count and cost.

Example

"Write a story about a robot" → 7 tokens (GPT-4o)

Why it's private

This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.

Related tools