Add-ons

Add-on Support Need help with an add-on? Ask here! Contribute Help keep Firefox the most customizable browser available. Contribute code, organize events, translate things, evangelize, and more. 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. Development Technical discussions about add-on development. 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	22516	July 11, 2014
Regarding our add-on rejected by mozilla team Add-ons issue	8	128	April 20, 2024
Help on private theme download link Themes issue	1	38	April 19, 2024
tabs.executeScript does not work with containered tabs Development issue	3	55	April 18, 2024
Upgraded add-on signatures Announcements	1	55	April 17, 2024
Keeweb connect suddenly disappeared from the add-ons browser Add-ons	5	121	April 17, 2024
Add-ons submissions help needed Add-on Support	1	54	April 17, 2024
Shortcomings of Firefox themeing modules, many elements can't be themed or updated Themes	1	51	April 17, 2024
Someone published copies of my add-on on AMO addons.mozilla.org	46	1753	April 17, 2024
Widevine addon is crashing Add-on Support	3	250	April 17, 2024
Bookmarks bar is too narrow Themes learning , feedback	2	182	April 17, 2024
Custom theme light and dark Themes	2	464	April 17, 2024
Add-on getting rejected on submission Add-on Support	2	207	April 16, 2024
Python "native-messaging" web extensions on mac unable to read / write files on Downloads folder Development webextensions-api	2	783	April 16, 2024
Which policies apply to AMO-listed addons vs. self-distributed addons? addons.mozilla.org	11	696	April 16, 2024
Dictionary with wrong name in the addons page addons.mozilla.org	3	188	April 16, 2024
Yahoo Homepage Add-ons issue	2	79	April 15, 2024
Issue when uploading via addons Add-on Support	3	120	April 15, 2024
Content-script: How to wait for React DOM to load? Development content	2	439	April 15, 2024
How to use a custom font in addon Development learning	3	138	April 11, 2024
Browser Security Plus add-on restoration in the Firefox store Add-on Support	1	81	April 10, 2024
Why can I not load a simple custom extension/addon xpi file in Android Nightly? Add-on Support	1	190	April 8, 2024
"Reported" themes not being checked Themes	1	112	April 5, 2024
Menu font change in FF for Mac Add-ons	1	82	April 5, 2024
Old Users Not Being Updated to New Version Add-on Support	4	127	April 5, 2024
[WebExtension] Import a module in a script Development	10	12706	April 2, 2024
Demonstrating security of an add-on Development privacy-and-security	6	246	April 1, 2024
I'm building addon for firefox user can take screenshot, but browser.runtime.sendMessage returns undefined Add-ons issue	4	304	March 29, 2024
Ff и Tab Session Manadger Add-ons	1	132	March 29, 2024
Return that addons is corrupted while downloading Add-ons	3	182	March 28, 2024