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Subtitles Timeline

Subtitles Timeline allows viewing movie subtitles in a context: not only one line is shown, but several previous and future lines are visible next to video frame. That can be useful for studying foreign languages. Requires (free) VLC Mozilla plugin.

Rated 5 out of 5 stars (2)
735 users

Surface Area of a Sphere No Restart

Computes surface area of sphere based on given radius of the sphere. Also calculates Volume.

Not yet rated
2 users

sustainable-seafood No Restart

Sustainable Seafood Week Committee Japan (WWF Japan and MSC Japan) is offering a special add-on celebrating Sustainable Seafood Week with a cooperation of Mozilla Japan!

Rated 1 out of 5 stars (1)
92 users

System Video

Modifies html5 video to use the old-style browser plugins, helpful for websites that use unsupported codecs.

Rated 4 out of 5 stars (12)
184 users

Tab Cycler No Restart

Adds a "Cycle Tabs" context menu item to tabs.

Rated 3 out of 5 stars (2)
447 users

TabCinema

Expands any video to fit the browser window!

Rated 4 out of 5 stars (15)
935 users

Take Screenshots, Screen Grab with Online Upload

Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.

Rated 4 out of 5 stars (12)
3,839 users

Telekom YouTube Turbo - lädt Videos schneller

Sorgt für schnelleres laden auf YouTube bei Kunden der Deutschen Telekom.
Nur für Telekom Kunden! Keine anderen Anbieter.
Die Telekom drosselt die Geschwindigkeit auf YouTube! Mit diesem AddOn holen sie sich die Geschwindigkeit zurück.

Rated 4 out of 5 stars (29)
10,740 users

TellyFit

Do you like to watch web videos while you carry on working or doing other things? This extension finds video on the page and automatically fits around it. No more fiddling around dragging window edges and scrollbars trying to get a perfect fit.

Rated 4 out of 5 stars (3)
153 users

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Not yet rated
2 users

teutoRADIO

Listen to teutoRADIO live, submit song requests and see the current song in the status bar including cover picture.

Rated 5 out of 5 stars (2)
92 users

Text-to-Image

Convert text URLs and links to images into thumbnails.

Rated 4 out of 5 stars (25)
5,339 users

tgputils No Restart

A addon with utilities for thumbnail gallery posts pages.

You can hide thumbnails that link to a given host, and open all images of a gallery in new tabs.

Still in development.

Not yet rated
6 users

The Music Hutch Toolbar

The Music Hutch ToolbarrnrnAllows users to shuffle and search music and music videos that members upload to The Music Hutch.

Rated 5 out of 5 stars (1)
36 users

The Official Baseball Add-on for Firefox

Stay connected to basketball and download this amazing browser app. Include links and RSS feeds for the most popular basketball publications such as MLB.com, MLB on ESPN and more. A complete baseball makeover for your browser.

Not yet rated
16 users

The Official Basketball Add-on for Firefox

Stay connected to basketball and download this amazing browser app. Include links and RSS feeds for the most popular basketball publications such as NBA.com, NBA on ESPN and more. A complete hoops makeover for your browser.

Not yet rated
17 users

The Official Chelsea Football Club Add-on for Firefox

Stay connected to CFC and download our new browser application. This is an add-on to your existing browser, meaning you can surf the web in a more familiar environment while staying connected to Chelsea all the time you’re online.

Rated 4 out of 5 stars (5)
53 users

The Official Christmas Holiday Add-on for Firefox

If you love the holidays download our new Christmas-themed browser application. This is an add-on to your existing browser, meaning you can surf the web in a familiar environment while adding some holiday cheer to your browsing experience.

Not yet rated
65 users

The Official FC Spartak Moscow Add-on for Firefox

Stay connected to Moscow Spartak FC and download their new browser application. This is an add-on to your existing browser, meaning you can surf the web in a more familiar environment while staying connected to Moscow Spartak all the time.

Rated 5 out of 5 stars (2)
10 users

The Official Football Add-on for Firefox

Stay connected to football and download this amazing browser app. Include links and RSS feeds for the most popular basketball publications such as NFL.com, NFL on ESPN and more. A complete football makeover for your browser.

Not yet rated
14 users