Compare software

Chrome DevToolsWeb Developer
Free

Free and included with Google Chrome.

 Free

Free and open source under the GPL.

Windows, macOS, Linux Browser extension
  • Built into Chrome with nothing extra to install
  • Performance tracing and network inspection
  • Dozens of page manipulations one click away, many still missing from devtools
  • Same toolbar across Chrome, Firefox and Edge
  • AI features rely on Google's Gemini service
  • Tests the Chromium engine only
  • Much of its original value is now covered by built-in developer tools
  • Interface is a dense menu-driven toolbar
Downloadable app Browser extension
Open source Open source
License: BSD-3-Clause License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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