Add-ons   Development


Topic Replies Activity
Introduction to Add-on Development 36 March 2, 2020
Extension development tools

Hi all, I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this …

4 April 16, 2018
About the Development category 1 May 21, 2015
How to click on a button on a certain website in the background 5 March 28, 2020
Browser.management 3 March 24, 2020
Any way to get a screenshot of non-active tabs? 7 March 21, 2020
Code working fine in Chrome but not in Firefox 13 March 21, 2020
How to effectively unload scripts after page had been loaded? 1 March 20, 2020
How to create new private addons 2 March 18, 2020
Is there any other way to install add-on by external applications(side loading) 5 March 17, 2020
Internet Speed Test Extension 4 March 16, 2020
Cross-browser permissions.request? 4 March 15, 2020
Fullscreen a Cross-Origin iframe 1 March 14, 2020
Weird behavior between temporary and signed extension 3 March 13, 2020
Can the Webextension greatly modify the interface style and add other input interaction methods 8 March 13, 2020
Content security policy issue in firefox extension 3 March 12, 2020
Ajax call issue in firefox extension 6 March 11, 2020
Developing a add-on/extension to view PDFs 4 March 10, 2020
Mozilla is not allowing me to store key's in localstorage in my extension 9 March 10, 2020
Temporary Add-ons won't load: XULStore.jsm "Error: Can't find profile directory" 4 March 10, 2020
Browser.storage.sync/local.get/set not working 5 March 9, 2020
Use 'a' key on keyboard to close tab in privileged urls 8 March 9, 2020
Add-on request: Kill switch for VPN browser extension 2 March 8, 2020
Can not get cookie after set by using document.cookie on firefox 57 3 March 6, 2020
Using browser.identity.getRedirectURL() with Google OAuth 6 March 5, 2020
Context of inline image requests in extension page (e.g., a popup)? 6 April 23, 2018
Asking for some optional permissions won't alert user and will be granted automatically 2 March 3, 2020
Is it possible to read about:performance? 3 March 3, 2020
How to reference the ExtensionID in css? 8 March 3, 2020
How to permanently install unsigned addon in unbranded firefox 7 March 2, 2020