The browser add-on works on Windows and Mac, letting users test web apps, pull context from open tabs and use Chrome DevTools alongside other tasks.
OpenAI said the extension keeps results organised without taking over the browser and could broaden Codex's appeal beyond software developers to more casual users and other professions.
Codex debuted as a macOS app in February and gained more features in April, as OpenAI works toward combining it with ChatGPT and its planned Atlas web browser.
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