extension · developer / writer

tokcount.

live token count + cost estimate while you chat with major LLM assistants.

drops a token counter into your chat input on the major LLM chat sites — chatgpt, claude, perplexity, mistral, copilot, you.com, anthropic console. shows live tokens and dollars as you type. no upload, no telemetry.

v1.0.1·published 2026·manifest v3

want the shortest install path? open the tokcount install guide →

want the walkthrough? read the tokcount guide →

need the comparison first? tokcount vs manual counting and built-in counters →

what it does

four things, in four lines.

tokcount v1.0.1

3 tokenizers bundled

openai cl100k_base + claude tiktoken-equivalent + google-style. you pick which provider's count is shown.

live cost estimate

configurable per-1k-token rates per provider. always visible while drafting long prompts.

no telemetry

the prompt text never leaves your tab. wasm tokenizer, all in-browser.

8 host sites

chatgpt, claude, perplexity, mistral, copilot, you.com, anthropic console — the eight largest LLM chat surfaces.

pricing

free counter. paid history and budgets.

tokcount stays free for quick token and cost checks. paid tiers are for people who need history, saved projects, budget guards, CSV export, and team-level cost reports.

see paid tiers → compare options privacy terms

not sure if a token counter is right for you? see how token counting works in the browser →