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- Recover important data from an old profile
- Diagnose Firefox issues using Troubleshoot Mode
- Back up and restore information in Firefox profiles
- Secure connection failed and Firefox did not connect
- Firefox uses too much memory or CPU resources - How to fix
- Websites look wrong or appear differently than they should
- Accessibility features in Firefox - Make Firefox and web content work for all users
- Accessibility not available during multi-process support
- Can I use my screen reader with the new Firefox?
- How to save a web page
- How to print web pages in Firefox
- Where to find and manage downloaded files in Firefox
- How to search IMDB, Wikipedia and more from the address bar
- Search with the Firefox address bar
- Remove websites from the address bar suggestions
- Update Firefox to the latest release
- Custom installation of Firefox on Windows
- Uninstall Firefox from your computer
- Make Firefox your default browser on Windows
- Add-on Badges
- How to search IMDB, Wikipedia and more from the address bar
- Enhanced Tracking Protection in Firefox for desktop
- Block and unblock websites with parental controls on Firefox
- Pop-up blocker settings, exceptions and troubleshooting
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Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
Secure connection failed and Firefox did not connect
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Captive portal detection
Description of how Firefox detects captive portal networks.
Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
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