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…	3	3485	June 23, 2021
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	8019	June 23, 2021
About the Development category	1	2951	May 21, 2015
How to add my extension to Firefox for Android on my phone?	2	68	May 15, 2022
Self-hosted Firefox extension install flow is broken on Firefox 100 & 101 beta	4	183	May 13, 2022
Anyone wrote polyfill for the `chrome.storage.session` API?	1	48	May 12, 2022
Manifest Version 3	4	122	May 11, 2022
Background script console stuck after second reload	1	73	May 9, 2022
Always getting Error: The storage API will not work with a temporary addon ID	3	113	May 8, 2022
How do I switch html files in my extension popup? issue , learning	1	113	May 7, 2022
How to connect extension to other windows programs	3	95	May 5, 2022
Host permission for Fetch api	1	103	May 3, 2022
Self hosted extension updating troubles	3	170	May 1, 2022
Browser.downloads undefined in background script	7	157	May 1, 2022
Really Action Required? for self-hosted add-ons from Firefox 100	6	291	April 29, 2022
Should web-ext sign --channel=unlisted trigger review?	3	323	July 30, 2021
I am not a developer	6	200	April 28, 2022
SVG Map clickable on Firefox Add-On development	1	98	April 27, 2022
Sending message to extension from web page	7	125	April 27, 2022
Fill textbox without detection issue	4	126	April 27, 2022
How to debug a background script that doesn't show up? (solved)	3	106	April 26, 2022
Trying to build a find and replace (kind of)	4	174	April 25, 2022
How to sanitize innerHTML? learning	10	279	April 25, 2022
Extension development routing issue	8	253	April 25, 2022
Cannot access window object in option page issue	3	168	April 25, 2022
The window variable and temporarily storage learning	7	242	April 25, 2022
My first Firefox addon	6	207	April 22, 2022
How to create and try a spell-checker of a new language?	1	88	April 21, 2022
Porting my extension to Chrome, why it is such a nightmare? learning	8	197	April 21, 2022
Change manifest content with popup script	8	166	April 18, 2022

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…

3

3485

June 23, 2021

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 …