Very nice addon! Thanks a lot. I used it to change the favicons of my pinned Nextcloud taps. I downloaded the favicon.ico for nextcloud calendar from github - and used the following URL-pattern: https://nextcloud..../apps/calendar/* I just drag and dropped the downloaded *.ico file to the small window when asked. :-)

Some time after a website is loaded, the custom icon will be displayed. However, when firefox is closed, it does not work anymore.

It does change the icon of any tab with the target URL, however it doesn't change the bookmark icon. Which is what I wanted. If this extension had worked in the past, it seems it no longer works now. Bummer.

If this app doesn't work on Bookmarks, just where does this thing have any utility? Useless.

With the help of this add-on, the new icons will only appear on the tabs. Unfortunately, exactly where it would be desirable, namely in the bookmarks menu or on the bookmarks toolbar, the old icons still appear.

Does not change favicons on the bookmarks toolbar.

No longer changes the favicons for the bookmark menu. All of my changed favicons have reverted back to their originals in the bookmarks toolbar.

It won't change my bookmarks favicon. What is a "URL pattern"? The URL itself definitely doesn't work. EDIT: If the extension might not work with bookmarks favicons, what's the purpose? Where is it supposed to work then?

hi, thanks for making this extension. It did just what i wanted without the need to adding my own userchrome.css

Добавьте возможность изменения названия вкладки.

Doesn't changes favicon on saved bookmark.

Great add-on to take care of one of the nasty Firefox shortcomings. I noticed that Firefox sync did not sync my Favicon Switcher settings to a new PC, is there a way to transfer my settings, or plans to make it work with sync or to include an export/import feature? Thanks!

Hi! Excuse me, I installed this extension but I didn't understand how to find the Url imput box in which you can customize the favicon, can you help me?

It does it's job very nicely except when I try to do wierd things like go to ip addressed sites. If I have locations like 192.168.1.10 and 192.168.1.11 but also define an icon for 192.168.1.1 the ..1.1 icon gets applied to all three sites. I suppose I could just name everything in the local dns (or hosts file) and use names instead but this limitation seems quirky. :-)

The solution I ended up using was to define full ip and port for all sites that stand a chance of colliding. For instance defineing 192.168.1.1:80 keeps it from fighting with 192.168.1.1*:* so I'm golden now that I understand the landscape of the quirks. :-) My guess is the software does a simple search for each expression across all the entries and goes with the first one it matches up with regardless of whether other elements are present in the address. :-)

Nice add-on, easy to use. Unfortunately does not work properly on all url patterns. Some URL patterns will be truncated. This issue does not base on very long url patterns but possibly on special characters like & / = which will truncate subsequent letters.

ナイス！ 似た機能を持っていた旧式アドオンが更新されなくなったので、今のファイアーフォックスでも使える こんなアドオンを探してました。

是非とも末永く更新して頂けると嬉しく思います。