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…	7	12422	October 16, 2024
About the Development category	1	4261	May 21, 2015
Extension development tools developer-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 …	6	10736	June 23, 2021
Content.js now need permissions on each matching URL	11	60	November 13, 2024
"Unsafe assignment to innerHTML" workarounds	5	174	November 7, 2024
Can web requests that sending in background script use the cache that set by web pages?	3	238	November 7, 2024
Detect when a Ctrl+F result is inside an iframe	10	273	October 28, 2024
CORS Policy for Addon request	4	148	October 28, 2024
Looking for workaround for PDF viewer "content script restriction" issue	3	712	October 22, 2024
Manifest V3 validation tools? manifest-v3	6	5052	October 20, 2024
Does Firefox extends events page lifetime when I run a `fetch`?	2	183	October 17, 2024
Downloading items from direct download links with browser.downloads.download()? issue	8	472	October 16, 2024
Is the package @types/firefox-webext-browser maintained by Firefox team?	4	261	October 15, 2024
Dark theme_icons are ignored in Manifest v3 extension	9	1102	October 10, 2024
Browser extension storage "get" return value if nothing found	5	310	October 9, 2024
How to prevent the options page from being draggable?	3	225	September 26, 2024
How to detect an element which is editable by the user feedback	9	1453	September 18, 2024
Suspicious extensions analysis	1	217	September 17, 2024
Page action crashed firefox	5	315	September 17, 2024
Issues with Mozilla DevTools Debugger in Large Codebases?	2	245	September 17, 2024
Error: filename must not contain illegal characters	2	4042	September 13, 2024
How to stay on ESR 115 branch till March 2025?	2	320	September 9, 2024
Does Firefox MV2 extension has a deprecation timeline?	4	1646	September 5, 2024
Speeding up Firefox for a special use-case	1	271	September 5, 2024
Problems creating a NativeMessagingHost extension	2	259	September 3, 2024
Is the Shadow DOM enough to prevent the moz-extension path from being exposed? privacy-and-security	9	422	September 3, 2024
Call for translators to update UI strings for Clippings 7.0	1	216	August 29, 2024
Content_Scripts optional host permission? (MV2 and MV3)	4	340	August 22, 2024
Cannot fetch http only url in manifest v3 extension	3	369	August 17, 2024
Is it possible to make use of Firefox's internal icons?	3	403	August 13, 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…

7

12422

October 16, 2024

About the Development category

1

4261

May 21, 2015

Extension development tools

developer-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 …