Mozilla Firefox
A privacy-first open-source browser protecting the free web with powerful developer tools and innovative features
Developer shortcuts for quickly utilizing developer tools needed for web development and debugging
F12
Developer Tools
Open Developer Tools.
💡 Hint: F12 for dev
🎯 Instantly open developer tools to analyze web page structure in detail
Ctrl+Shift+C
Inspector
Open the Inspector to examine elements.
💡 Hint: Check elements
🎯 Select elements with the inspector to efficiently investigate HTML and CSS
Ctrl+Shift+K
Web Console
Open the Web Console.
💡 Hint: Konsole
🎯 Quickly check JavaScript errors and warnings in the web console
Ctrl+U
View Page Source
View the page's HTML source.
💡 Hint: View Underlying source
🎯 View page HTML source code to understand structure in detail
Ctrl+Shift+S
Screenshot
Take a screenshot of the page.
💡 Hint: Screenshot
🎯 Easily capture screenshots of entire pages or selected areas
Ctrl+Shift+P
Private Window
Open a new private browsing window.
💡 Hint: Private
🎯 Perform development tests in private windows to eliminate cache effects
Ctrl+Shift+Del
Clear Recent History
Open the clear recent history dialog.
💡 Hint: Delete history
🎯 Clear cache and history to test in a clean state
Ctrl+J
Downloads
Show the downloads list.
💡 Hint: Jump to downloads
🎯 Check download list to manage development files