My Favorite Add-ons

by Jack Li

12 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,928 reviews

20,652,753 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,541 reviews

4,732,086 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,783 reviews

2,427,357 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Web Developer by chrispederick

Rated 5 out of 5 stars 216 reviews

576,477 users

The Web Developer extension adds various web developer tools to the browser.

Flagfox by Dave G

Rated 5 out of 5 stars 634 reviews

611,091 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Speed Dial [FVD] - New Tab Page, Sync... by pos1t1ve

Rated 5 out of 5 stars 1,680 reviews

174,449 users

FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 302 reviews

292,845 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

UnMHT by arai_a

Rated 5 out of 5 stars 217 reviews

82,018 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

新同文堂 (New Tong Wen Tang) by passerby@hk, softcup

Rated 4 out of 5 stars 96 reviews

40,501 users

NewTongWenTang is a tool to switch display Chinese content between traditional and simplified glyphs (中文繁簡體互轉工具)

Blue Flow by Sinine

Rated 5 out of 5 stars 29 reviews

0 users

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