checking

by FujiSenseiSan

221 Add-ons in this Collection

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,899 reviews

228 users

The first and only download manager/accelerator built inside Firefox!

Startpage HTTPS Privacy Search Engine by StartPage

Rated 5 out of 5 stars 124 reviews

8,000 weekly downloads

Add Startpage - The World's Most Private Search Engine - to your search box. Startpage does not record your IP address. Search the Web in the best possible privacy!

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 893 reviews

423 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 336 reviews

157 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 354 reviews

82 users

Manage any SQLite database on your computer.

Element Hiding Helper for Adblock Plus by Felix Dahlke

Rated 5 out of 5 stars 473 reviews

259 users

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Ixquick (SSL) by SSL Search Bar

Download Now

Experimental

Rated 5 out of 5 stars 5 reviews

1,083 weekly downloads

Ixquick is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Ixquick.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

36 users

View HTTP headers of a page and while browsing.

NoRedirect by Kai Liu

Rated 4 out of 5 stars 95 reviews

6 users

NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 217 reviews

18 users

An HTTP analyzer addon for Firefox

UnMHT by arai_a

Rated 4 out of 5 stars 300 reviews

37 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.

DownThemAll! AntiContainer by Nils Maier

Rated 5 out of 5 stars 40 reviews

30 users

Make the resources behind container pages easily downloadable by DownThemAll!

GuifiProxy by Tomás Velázquez

Simple proxy manager
- Change proxy with two clicks
- Import and export proxies lists
- Manually add, delete and edit proxies
- Automatic authentication on proxies (bypass popup with login and password)
- Proxysel replacement

Startpage (SSL) by SSL Search Bar

Rated 4 out of 5 stars 27 reviews

663 weekly downloads

Startpage is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Startpage.

Download Status Bar by Szalgiris

Rated 5 out of 5 stars 437 reviews

71 users

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 15
Results 115 of 221

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections