Count tokens in your prompts and files

A little text. A lot more clarity. Count locally, then put your usage to work.

or drop them hereTXT, MD, JSON & code · 1 MiB total input limit

Local processing. No upload. No saved prompts.

Your prompt is yours. Text and filenames stay in memory, including when you move to Compare. Only numeric usage is transferred.

View encoding token IDs & accuracy notes

gpt-tokenizer 3.x · o200k_base. Exact for this encoding only. No matching tokenizer has been verified for catalog models. This is not an exact API bill or Claude token count. Chat wrappers, tools and multimodal content can add overhead.

Add text to see token IDs.

Count first. Choose with confidence.

Text tokens are only one part of a request. Chat formatting, tool definitions, images and hidden provider overhead can change the billed total.

Read the accuracy notes ↗

What gets shared?

Only numeric counts and workload settings move to the calculator or comparison. Your text and file names never go into the URL.

Privacy by design ↗