Extensions by Name

Subscribe

Re-Pagination

See more search results etc. on one page, concatenating several pages together...

Rated 4 out of 5 stars (56)
6,194 users

Reader

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (61)
32,229 users

Rebrand Requires Restart

This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.

Rated 4 out of 5 stars (13)
5,933 users

Reddit History

Keeps track of all the submissions you viewed on Reddit

Not yet rated
53 users

Redirect Bypasser

Avoid redirects and has direct access to the sites you want to visit.

Rated 4 out of 5 stars (40)
10,747 users

RefControl Requires Restart

Control what gets sent as the HTTP Referer on a per-site basis.

Rated 4 out of 5 stars (170)
74,885 users

Relaxed the HTML Validator Requires Restart

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

Rated 2 out of 5 stars (4)
20 users

Reload Skip Cache Button

Reload page without using content stored in the browser cache to make sure you get any updates.

Rated 4 out of 5 stars (4)
707 users

ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
10 users

Remember Mismatched Domains Requires Restart

The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...

Rated 5 out of 5 stars (66)
2,184 users

ReminderFox Requires Restart Featured

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

Rated 4 out of 5 stars (486)
64,678 users

RemindMeBot-Reddit Compatible with Firefox 57+

All the great features of /u/RemindMeBot in a quick and easy to use extension!

Rated 2 out of 5 stars (3)
121 users

Remote Developer Tools Server

This addon provides options for starting the developer tools server. It is especially valuable in XULRunner Apps where there is no UI to start the server.

NOTE: This addon is not mandatory in Firefox or Thunderbird, as support is built in.

Not yet rated
13 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (37)
74,196 users

Replace Quotation Marks Requires Restart

Replace quotation marks from " ", ' ' to „ ” , ‚’ in text areas.

Not yet rated
2 users

RequestPolicy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (225)
67,679 users

RequestPolicy Continued

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (13)
8,530 users

RequestPolicy Sync

Sync engine for RequestPolicy.

Rated 5 out of 5 stars (3)
748 users

RequestPolicy v0.5 Legacy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 3 out of 5 stars (6)
1,269 users

Responsible Blocker

The "Responsible Blocker" arrives to save the Internet, this extension blocks all those annoying ads, but allows only small and acceptable ads, so the websites you like can continue online.

The "Responsible Blocker" arrives to save the Internet

Rated 5 out of 5 stars (1)
184 users