Our recommendation:

Safer Firefox with MailCheck!

  • Faster website loading

  • Safely surf the internet
  • GMX MailCheck included
firefox with mailcheck

Great features for more fun surfing the web:


Fast. And really good.

Save time and do everything faster than before.

firefox with mailcheck included

MailCheck included

Quick access to your GMX and mail.com inboxes and many others.

firefox sync between android smartphone and tablet

Synchronise with your devices

Whether Android smartphone or tablet – All of your bookmarks are saved across devices.

Mozilla Firefox download

Mozilla Firefox download

  • GMX homepage: Quick daily news and updates
  • GMX MailCheck: Quick access to your inbox
  • GMX Search
  • All add-ons are tested and authorized by Mozilla

Mozilla Firefox:

This download is based on the most recently released version 85.0 of Mozilla Firefox. Technical issues with the software cannot be completely ruled out. Mozilla Firefox runs on Windows 7 and newer. Mozilla, Firefox and the Firefox logo are registered trademarks of the Mozilla Foundation.