Extensions by Name


StoryPassers StoryBar

A Toolbar and Sidebar (StoryBar) for StoryPassers.com users.

Rated 5 out of 5 stars (1)
1 user

StranaGruzov - расширение ati.su No Restart

Хватит кормить жуликов на рынке грузоперевозок! Теперь получить информацию о фирме можно прямо со страницы ati.su

Not yet rated
26 users


A companion add-on that adds new features from the Firefox mockups to Strata40.

Rated 4 out of 5 stars (206)
291 users

stratego remain visible No Restart

Mark the screen by writing letters or numbers at your cursor position. Tested and working on stratego.com

Not yet rated
5 users


Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.

Rated 5 out of 5 stars (179)
11,403 users

Strava Helper No Restart

Some tweaks for Strava. Adds a "Give Kudos to All" button, removes clutter and provides UI tweaks.

Not yet rated
28 users

Stream Browser No Restart

Live video stream browser for Twitch.tv, Hitbox.tv and Azubu.tv. Select favorite streams and receive alerts when they come online. A great way to keep track of your favorite Hearthstone, CS:GO, and League of Legends players.

Not yet rated
1,507 users

Stream Notification

League of Legends Stream Notification

Rated 3 out of 5 stars (4)
52 users

Stream Overwatch-World

Soyez informés dès qu'un stream est lancé sur la TV Overwatch

Not yet rated
1 user

Streamfully No Restart

Roll over a hyperlink and Streamfully brings you novel & personalized content, down to every snippet. Stop wasting time on useless surfing around the web — Look before you Link.

Not yet rated
15 users

StreamingTV Firefox No Restart

StreamingTV in firefox.
Potete vedere canili televisivi in streaming sul vostro pc gratis e facile.
Disponibile Italia 1, Dmax, Rete 4, MTV e in futuro molti altri.
Scaricatelo avrete aggiornato sempre all'ultima versione con nuovi canali.

Not yet rated
164 users


Simple UK streetmap search from context...

Rated 5 out of 5 stars (6)
24 users

StretchClock Break Reminder - Desk Yoga

A break reminder for computer users. Do you ever feel sore or stiff after sitting at the computer? Here is something quick and easy that can increase your productivity, decrease your stress, and make you feel better? Try it. See if you feel Better.

Rated 4 out of 5 stars (31)
1,458 users

Strict Compatibility Opt-in Test Addon No Restart

This is an example addon demonstrating the strictCompatibility opt-in option.

Rated 3 out of 5 stars (1)
1 user

Strict Pop-up Blocker No Restart

Quickly toggle between blocking all pop-up windows and allowing some pop-ups

Rated 4 out of 5 stars (64)
112,166 users

Strict SSL3 Configuration No Restart

This add-on toggles between default and strict configurations for security.ssl3 preferences.

In default mode, all preferences are reset to their default value, while in strict mode, only whitelisted preferences are activated.

Not yet rated
348 users

Strict Transport Security - Detector

It scrutinizes the HTTP Response Headers for the presence of Strict-Transport-Security Header. Information gathering tool to fingerprint the web server capability to show resistant to MITM (Man In The Middle) (sslstrip exploitation).

Not yet rated
277 users

strikeThrough No Restart

A missing feature of gmail, in compose formatting bar, close to Bold, Italic etc. It strikethroughs selected text, or input text with strikethrough formation

Rated 2 out of 5 stars (1)
71 users

Strims No Restart

Wyświetlenia powiadomienia z serwisu Strims.pl

Not yet rated
2 users


Add simple strokes (mouse movements driven actions) to Firefox.

Rated 4 out of 5 stars (1)
3 users