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Chrome DevTools vs Firefox Developer Tools: catalog facts
Chrome DevTools	Firefox Developer Tools
Free Free and included with Google Chrome.	Free Free and included with Firefox.
Windows, macOS, Linux	Windows, macOS, Linux
Built into Chrome with nothing extra to install Performance tracing and network inspection	Built into Firefox with nothing extra to install Can debug Firefox for Android remotely
AI features rely on Google's Gemini service Tests the Chromium engine only	Only available inside Firefox Tests Firefox's engine, so other browsers still need their own tools
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: MPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.