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JSON Inspector

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

Not yet rated
338 users

Youtube Downloader Gold

This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.

Rated 2 out of 5 stars (1)
335 users

Display mailing list header Requires Restart

This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.

Rated 3 out of 5 stars (6)
331 users

CloseTab Requires Restart

Lightweight add-on which adds to right-click menu 3 items allowing to close current tab, open a new one and reopen closed one. Right-click anywhere on site instead of using keyboard or finding buttons.

Rated 4 out of 5 stars (3)
324 users

Tools > Options… for Linux

Moves Edit > Preferences to Tools > Options…

Rated 5 out of 5 stars (7)
321 users

Page Navigation Buttons

Adds a few buttons to help with page navigation, including Page Top, Page Bottom, Page Down and Page Up.

Rated 5 out of 5 stars (1)
315 users

NiceReader Requires Restart

NiceReader is designed for web reading. You can customize font, color, size, background, specify the elements to read, filiter ad elements, filiter ad strings, automaticaly turn page.

Rated 5 out of 5 stars (2)
312 users

FromWhereToWhere Requires Restart

Link suggestion: based on user's local browsing history only.
Browsing history searching: list the pages from where you visited one page, and all the other pages you visited from those pages. Keywords searching, Scrapbook support, naive sharing.

Rated 5 out of 5 stars (11)
310 users

Element Hiding Helper for Pan

Help you create element hiding rules for Pan to fight the text ads.

Rated 5 out of 5 stars (6)
303 users

LastColour Requires Restart

Colour your text to the "last-picked" colour you chose in the colour-picker. Now you don't have to use the colour picker every time.

Rated 4 out of 5 stars (3)
302 users

Force Safe Search

Forces safe search on the major search engines.

Not yet rated
300 users

Quitomzilla Requires Restart

Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quit...

Rated 5 out of 5 stars (18)
297 users

Search YouTube For This Requires Restart

Right click on selected or a link click search YouTube For Video of in the menu, a new tab will open with the searched text.

Rated 5 out of 5 stars (1)
295 users

ChatZilla zh-CN Language Pack Requires Restart

ChatZilla zh-CN language pack for ChatZilla 0.9.92

Rated 5 out of 5 stars (11)
293 users

Video Mouse Wheel

Use wheel mouse on videos to control video/audio/quality.
Choose flash/HTML5 on YouTube, autopause on background tabs, embedded videos.
And much more!

Rated 4 out of 5 stars (8)
286 users

Conspiracy Requires Restart

Shows flag/country of involved Certification Authorities (CAs) for secured pages.

Rated 5 out of 5 stars (3)
286 users

bioFOX Requires Restart

Bioinformatics tools on Mozilla based browsers

Rated 5 out of 5 stars (20)
286 users

ScrapBook AutoSave Improved Requires Restart

ScrapBook AutoSave Addon, with some extra features.

Rated 3 out of 5 stars (5)
285 users

TaQuilla Requires Restart

Automatic tagging using Bayesian statistics

Rated 4 out of 5 stars (13)
285 users

Page Hacker Revived Requires Restart

Adds a toolbar to edit and format the current page

Rated 4 out of 5 stars (8)
280 users