Add-ons

Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. Themes Discussions about background themes and complete themes. Firefox for Android Add-ons This space is specifically for developers with technical questions as they prepare their desktop add-ons for availability on Android. Add-on Support Need help with an add-on? Ask here! addons.mozilla.org Discussions about AMO add-on reviews and bugs. Announcements Important announcements for the add-ons community. Development Technical discussions about add-on development.

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	0	24463	July 11, 2014
Attachment extractor for Mozilla Thunderbird Add-on Support	0	3	March 26, 2025
Modifying/Removing CSP header V3 Development learning , issue	2	18	March 26, 2025
Does submitting a new version reset your position in the review queue? Add-on Support	6	67	March 26, 2025
video full screen Add-ons	0	8	March 26, 2025
Is it normal for Firefox Add-on review to take this long? Add-on Support	0	12	March 26, 2025
Content Encoding Error Development	0	3	March 26, 2025
onBeforeRequest Blocking & Redirecting Development issue	0	6	March 25, 2025
Extension Rejection: Build Mismatch Issue Add-on Support	2	17	March 25, 2025
Troubleshooting Firefox Extension Whitelisting Issues Add-on Support	2	35	March 24, 2025
Menu context "page_action" in an MV3 extension Development	1	15	March 23, 2025
<all_urls> doesn't grant access to all urls upon installation Development	2	28	March 23, 2025
点击扩展图标无法打开侧边栏 Add-ons	0	11	March 22, 2025
Deleting a no longer supported addon listing Add-ons	0	8	March 21, 2025
How to remove/hide add-on from sidebar Add-on Support	6	142	March 21, 2025
And suddenly, without asking me the permission Add-on Support	1	26	March 20, 2025
Theme Rejected for Header Misalignment Issue Themes issue	2	32	March 20, 2025
Internet Archive Downloader by Element Davv Add-on Support	2	10517	March 19, 2025
I'm no longer able to flag an unjustified poor rating Add-on Support	1	40	March 18, 2025
Request support of addons Malwarebytes Browser Guard Add-on Support	1	15	March 18, 2025
Feedback gathering: Firefox Devloper Tools for Add-ons Development	1	19	March 18, 2025
We are people never trsut mozilla or slimbrowser again! Add-on Support	3	48	March 17, 2025
Add-on Review Delay - Why Is It Still Pending? Add-on Support	1	34	March 17, 2025
How to avoid "Access your data for all websites" permission Add-on Support	6	69	March 17, 2025
How can i update my mozilla profile Add-on Support	1	24	February 11, 2025
Users worried about "Block content on any page" permission Add-on Support	9	81	March 17, 2025
People never trust mozilla or slimbrowser again! Development	3	60	March 16, 2025
Race condition when updating addon overriding New tab page Development	9	70	March 13, 2025
Modifying document window and communicating with the background script Add-on Support	1	29	March 11, 2025
Absolute/relative position of FF UI urlbar Development	0	15	March 12, 2025