OpenAI
6/12/2026

Debug web apps with browser use in Codex
Short summary
Codex now supports Chrome DevTools Protocol (CDP) in Browser Use, enabling developers to inspect console logs, network traffic, performance profiles, and styling while debugging web applications. The demo shows how to enable Developer mode, approve CDP access, and use real profiling to identify and fix bottlenecks. This capability lets developers investigate issues directly within Codex's browser interface.
- •Codex now supports Chrome DevTools Protocol for browser debugging
- •Developers can inspect console, network, performance, and styling data
- •Enable in Developer mode settings and approve access when Codex starts inspection
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