Categories: developers end users

1 Billion Add-on Downloads

This morning, reached a huge milestone: we served our 1 billionth add-on download since we started keeping track of downloads in 2005.

Graph showing total number of add-on downloads over time

This number only includes downloads from, but as many add-ons are hosted elsewhere, we can be sure the actual number is even higher. This is a very exciting week for Firefox add-ons, with the launch of Fashion Your Firefox yesterday, offering a new way for first-time add-on users to customize their browser.

This amazing feat was made possible by the huge community of add-on users, developers, and enthusiasts, as well as non-Firefox applications that embrace Mozilla add-ons like Thunderbird, SeaMonkey, Sunbird, Komodo, Flock, and Songbird, to name a few.

At 1.5 million add-on downloads per day and increasing, I’m confident our next billion will arrive even more quickly than the 3.5 years it took for the first. If you’re not using an add-on yet, try one out. They’re pretty popular.

15 comments on “1 Billion Add-on Downloads”

  1. dietrich ayala wrote on

    what extension had the billionth download?!!

  2. Basil Hashem wrote on

    What an awesome milestone – very cool indeed.

  3. David wrote on

    I think the awareness of addons is spreading down the foodchain, from geeks to more normal 😉 people.

    At work I was really surprised to see that my colleagues had gone and installed some addons that I’d never told them about, all on their own. 🙂

  4. Jay wrote on

    love it!

  5. md wrote on

    Download Helper is by far the best add on for anything..ever. You guys need to advertise that more, it’s flawless. Firefox ftw.

  6. morgamic wrote on

    @dietrich – It’s not really possible to tell, but I like to believe that it was this one:

  7. venkat wrote on

    It’s a great achievement

  8. shaoxiong wrote on

    Keep the add-ons coming!

  9. Jon Thysell wrote on

    Does that include every time I update an add-on?

    Because every release of firefox inevitably breaks a bunch of plug-ins, meaning the authors have to make a trivial update to them just so they’ll keep working, meaning they get re-downloaded.

  10. Mom wrote on

    Congratulations on 1 Billion served! I guess I’m one of the billion, but will have to ask my son.

  11. Jeferson wrote on

    Cool, but what exactly is an add-on? only extensions? extension and themes? extension, themes, plugins and search plugins?

    (It is confusing, for Fx pref window, add-ons=ext/themes only. for add-ons manager, add-ons=ext/themes and plugins. For AMO, add-ons=ext/themes/plugins/search)

  12. Christian Camacho wrote on

    Hi, cool for the thing I post it in my blog


  13. Roman wrote on

    A billion, amazing!

  14. Richard Le Poidevin wrote on

    Very well done!

  15. Ryan Joel wrote on

    Addons are useful for all techie…Download Helper is also good add on for anything..