Development

Topic	Replies	Views	Activity
Get started with Firefox extension 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…	5	13550	September 6, 2023
About the Development category	0	4429	May 21, 2015
I can't put my organization's policies in the background script learning	4	20	February 21, 2025
Actually setting a new folder color and color coding of emails	1	10	February 18, 2025
Problem Accessing GLTF Asset in Production Firefox Add-on with browser.runtime.getURL learning	3	26	February 12, 2025
Hyperlinks on Options page don't respond to middle-click	4	28	February 11, 2025
Shipping large model files (10MB) learning , development , issue	3	32	February 6, 2025
Access to "Protected" sites (e.g. accounts.firefox.com)	2	60	January 28, 2025
How to change AddOn ID?	3	217	January 23, 2025
How to automate add-on option screen tests?	6	131	January 22, 2025
Add button to toolbar/addressbar?	1	138	January 22, 2025
Browser extension storage "get" return value if nothing found	10	646	January 22, 2025
How to make extension available for Firefox in Ubuntu	1	86	January 22, 2025
Modify headers with declarativeNetRequest.updateSessionRules()? issue	6	1086	January 20, 2025
Is it allowed for an extension to load CSS and HTML dynamically?	3	179	January 19, 2025
Filtering of service worker scripts via browser.webRequest.filterResponseData not possible?	4	1091	January 17, 2025
"Error loading dynamically imported module" when using Rollup issue	2	476	January 11, 2025
Native message On firefox learning , webextensions-api , feedback	3	293	January 10, 2025
Firefox Add-on Rejected as SPAM — Looking for Feedback feedback	1	251	January 8, 2025
Pin Tab Enhancement / Side Bar Control	1	206	January 8, 2025
Manifest Version 3 and page action with minimal permissions learning	2	243	January 8, 2025
How can I change the color theme of Truthsocial.com on Firefox?	1	295	December 16, 2024
How to import npm packages in content script in an extension?	4	478	December 16, 2024
Is it possible to make a CLI for your browser extention?	1	319	December 16, 2024
Use OAuth 2.0 in Firefox WebExtension	4	5914	December 9, 2024
"commands" for android webextension? learning	1	613	March 1, 2024
CORS Policy for Addon request	4	522	December 4, 2024
Code in content_scripts not executed when document changes?	4	353	December 2, 2024
What version of Android Firefox added support for MV3?	3	553	November 30, 2024
Error testing addon with web-ext in Android. Unable to retrieve current user	4	377	November 29, 2024

Get started with Firefox extension 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…