Add-ons

Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. Development Technical discussions about add-on development. Add-on Support Need help with an add-on? Ask here! Announcements Important announcements for the add-ons community. addons.mozilla.org Discussions about AMO add-on reviews and bugs. Themes Discussions about background themes and complete themes.

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	1	18425	July 11, 2014
How to change tab colour Themes issue	3	54	June 28, 2022
Video Speed Controller Add-on Support	1	31	June 28, 2022
How to get rid of norton safe search. does not show up as extension Add-on Support	1	44	June 27, 2022
How to make the addon to the review status addons.mozilla.org	12	114	June 27, 2022
"Cannot access dead object" error when reading an user object set by popup within the background page object Development	5	97	June 26, 2022
Delete Version; how to also Unsign (Revoke Signing) addons.mozilla.org	4	146	June 25, 2022
Why all the ad block add-ons "That page is not available in your region" Add-ons	2	114	June 25, 2022
Extensions using content scripts without any user action wont work anymore in MV3 Development manifest-v3	5	119	June 24, 2022
Possible Spam Uploads Themes	435	23065	June 24, 2022
Addon Review logic addons.mozilla.org	2	71	June 24, 2022
[SOLVED] SVG path does not show Development	5	83	June 23, 2022
Add on still pending “awaiting review” addons.mozilla.org	1	65	June 23, 2022
[Solved] Browser.bookmarks.create ignores parentId and always puts my bookmark in the 'Other Bookmarks' folder Development	2	101	June 21, 2022
Get started with Firefox extension development Development Extensions provide a simple and powerful way to personalize your browsing experience. If you know JavaScript, CSS, and HTML, you can build your own. If you are brand-new to add-on development, you can get started by che…	4	3897	June 20, 2022
MV3 event page behavior clarification Development manifest-v3	5	331	June 20, 2022
[Blog post] Manifest v3 in Firefox: Recap & Next Steps Announcements manifest-v3	9	599	June 20, 2022
content zoom issue in firfox browser Development	1	84	June 18, 2022
Unable to log into Developer Hub addons.mozilla.org	2	95	June 18, 2022
Firefox Add-on review process is wrong and Firefox is a lost cause. Im out addons.mozilla.org	3	157	June 17, 2022
onBeforeRequest Invalid request ID Development	6	138	June 16, 2022
Internally hosted web data consent addons.mozilla.org	4	147	June 14, 2022
Such a pain to submit an addon for review addons.mozilla.org support , feedback , developer-tools	9	166	June 14, 2022
Retiring the Voice Fill and Firefox Voice Beta extensions Add-on Support	41	52429	June 14, 2022
My unlisted add-on is awaiting review for more than half a year addons.mozilla.org	1	102	June 13, 2022
Unable to submit addon, showing error addons.mozilla.org	5	164	June 13, 2022
Request: an addon to move cursor the 1st text field Add-ons	1	106	June 13, 2022
Unable to run java code within addon window Development	5	203	June 13, 2022
"Get/Download addon for Firefox" badge/button to embed into website? Development	9	1760	August 17, 2021
Why so few add ons for Firefox Mobile Add-ons	2	136	June 10, 2022