Free Chrome Extension

Know your Codex quota
before it runs out

Track your Codex session and weekly usage directly in the browser toolbar — no setup, no distractions. Free and open source.

Available on Chrome Web Store
Session usage Weekly usage Codex credits Auto refresh 10 languages Free Open source

Everything you need, nothing you don't

Simple by design. Powerful where it matters.

Session usage (5h)

See exactly how much of your 5-hour session window you've used, with a color-coded progress bar.

Weekly usage (7 days)

Track your 7-day quota for all models plus Codex credits separately, each with its own reset timer.

Auto background refresh

Data updates automatically every 10 minutes and from your authenticated ChatGPT session. No open tab needed.

Toolbar badge

Your current usage percentage always visible on the extension icon. Turns orange at 70%, red at 90%.

10 languages

Available in English, Portuguese, Spanish, French, Arabic, Bengali, Hindi, Indonesian, Russian, and Chinese.

Private & open source

No account, no tracking, no data collection. Everything stays in your browser. Inspect the source code and verify it yourself.

Preview

See how Codex Quota Monitor looks in the browser.