Codex Usage Meter

by moenaigomi.com(なぎと） · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 19 Oct 2026

Shows your ChatGPT Codex usage limits and credits at a glance. Unofficial, not affiliated with OpenAI.

Users

+51 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#93K

#78K among extensions

Version

0.1.0

updated 23 Aug 2026

Users

monthly, 2 months

Latest, 19 Oct 2026: 77 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 19 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Codex Usage Meter

Codex Usage Meter shows your ChatGPT Codex usage limits and credit balance right from your Chrome toolbar — no need to open the Codex usage dashboard. FEATURES • Toolbar badge shows remaining percentage (e.g. "87%") for your current rate-limit window • Popup shows details for both the 5-hour and weekly windows, credit balance, plan type, last updated time, and data source • Auto-refreshes on a configurable interval, and also refreshes whenever you have a chatgpt.com tab open • Supports Japanese and English, following your Chrome display language (or set manually) • A short welcome tab opens automatically on first install to explain how it works PRIVACY This extension never sends prompts, never calls the OpenAI API, never modifies ChatGPT, and never transmits your data to any external server. It only reads usage data already available in your authenticated chatgpt.com session. DISCLAIMER This is an unofficial, community-built extension. It is not affiliated with, endorsed by, or supported by OpenAI.