Add-ons

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

Topic	Replies	Views	Activity
About the Add-ons category Add-ons	1	15459	July 11, 2014
Adding external script in an extension Development	13	89	February 26, 2021
Addon work with web-ext run but don't work when installed? Development	7	46	February 26, 2021
Testing addons on Android Development	7	150	February 25, 2021
Sorry if off-topic, but seeking an addon Add-ons	1	28	February 25, 2021
How Do I Edit/Modify My Own Theme? Themes	3	56	February 25, 2021
Introduction to Add-on Development Development	42	19933	February 24, 2021
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…	2	70	February 24, 2021
Firefox 87 addressbar for web-ext developers Development	8	66	February 24, 2021
Retiring the Voice Fill and Firefox Voice Beta extensions Add-on Support	38	42269	February 24, 2021
[Blog post] Mozilla's Manifest v3 FAQ Announcements	22	2991	February 24, 2021
Page script Promise: Permission denied to access object from content script Development	2	37	February 24, 2021
Python within a WebExtension context? Development	2	36	February 24, 2021
Extension is removed from store addons.mozilla.org	2	81	February 23, 2021
how you can capture console messages for WebExtensions Development	2	41	February 22, 2021
Authentication issue with our own add-on Development	4	68	February 22, 2021
Access webrequest request initiator chain/stack trace Development	1	42	February 21, 2021
A mismatch occurs between Retry button and canResume property Development	4	49	February 21, 2021
Website to whitelist only specific set of add-on IDs Development	12	180	February 21, 2021
SFTP within extension context? Development	3	58	February 20, 2021
Does not contain a valid install manifest . HELP! Development learning	4	5903	February 19, 2021
Getting url from active tab on external page Development learning	3	63	February 20, 2021
February 22, 2021 Add-ons Community Meeting Contribute	1	61	February 19, 2021
Firefox equivalent API to chrome.identity.clearAllCachedAuthTokens(..) Development	2	54	February 19, 2021
Firefox crashed - Cant add LastPass Add-on Support	1	57	February 18, 2021
February 18, 2021 Add-ons Show & Tell Contribute	1	63	February 18, 2021
Bookmark suggestion when searching in all bookmark window Development	2	59	February 17, 2021
[Support] Sage-Like - Sidebar Based RSS Feed Reader Add-on Support	17	2236	February 16, 2021
Temporary add-on not writing to storage.sync? Development	4	60	February 16, 2021
[Support] uBlock Origin Add-on Support	758	236628	February 15, 2021