File Token Counter

Upload files to count tokens and estimate costs. 100% client-side — files never leave your browser.

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.txt, .py, .js, .ts, .json, .csv, .md, and more

Files are processed entirely in your browser. Nothing is uploaded to any server.

Cost Estimate (as input)

Official API rates (pay-per-token) — not subscription plans.

claude-opus-4-6

Anthropic

—

$5.00/1M

0.0% of context1M max

gpt-5.4

OpenAI

—

$2.50/1M

0.0% of context1.1M max

gemini-3.1-pro-preview

Google

—

$2.00/1M

0.0% of context1.0M max

claude-sonnet-4-6

Anthropic

—

$3.00/1M

0.0% of context200K max

gpt-5

OpenAI

—

$1.25/1M

0.0% of context272K max

gemini-3.1-flash-lite-preview

Google

—

$0.250/1M

0.0% of context1.0M max

deepseek-chat

DeepSeek

—

$0.280/1M

0.0% of context131.1K max

deepseek-reasoner

DeepSeek

—

$0.280/1M

0.0% of context131.1K max

qwen-max

Alibaba (DashScope)

—

$1.60/1M

0.0% of context30.7K max

o4-mini

OpenAI

—

$1.10/1M

0.0% of context200K max