Miscellaneous

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Element Hiding Helper for Adblock Plus

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

Rated 5 out of 5 stars (457)
567,465 users
Updated October 26, 2016

Deselect on Click 1.0 Requires Restart

Deselects current message when clicking in thread pane.

Rated 5 out of 5 stars (2)
142 users
Updated October 24, 2016

Force Addon Status Requires Restart

Provides ability to change status of specific addon (enabled/disabled).

Not yet rated
1,414 users
Updated October 24, 2016

Nightly Tester Tools Requires Restart

Useful tools for the nightly tester.

Rated 4 out of 5 stars (194)
25,264 users
Updated October 21, 2016

DOM Inspector Plus! [dm] Requires Restart

Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.

Rated 5 out of 5 stars (5)
539 users
Updated October 21, 2016

Auto Compress File Requires Restart

Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).

Rated 5 out of 5 stars (19)
6,346 users
Updated October 11, 2016

Auto Resize Image Requires Restart

Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).

Rated 4 out of 5 stars (26)
17,056 users
Updated October 9, 2016

LightningButton Requires Restart

Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.

Rated 5 out of 5 stars (14)
20,555 users
Updated October 7, 2016

Subject Manager Requires Restart

Manages subject of composed emails.

Rated 5 out of 5 stars (13)
2,951 users
Updated October 4, 2016

Download Status Bar

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.

Rated 5 out of 5 stars (341)
232,685 users
Updated September 26, 2016

Just Restart! Requires Restart

Restart application with Ctrl+Shift+Z.

Rated 5 out of 5 stars (4)
1,085 users
Updated September 24, 2016

Thunderbird Integration for JIRA Requires Restart

This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.

Rated 3 out of 5 stars (13)
573 users
Updated September 23, 2016

Force RTL

Force a LTR locale to behave as if it was a RTL locale.

Rated 5 out of 5 stars (7)
214 users
Updated September 23, 2016

Extension Auto-Installer

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (16)
3,700 users
Updated September 15, 2016

GPO support For Firefox and Thunderbird

Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy

Rated 4 out of 5 stars (12)
27,815 users
Updated September 9, 2016

Hebrew Calendar Requires Restart

Show the Hebrew date in your browser's status.

Rated 4 out of 5 stars (40)
1,515 users
Updated August 29, 2016

Copy Plain Text 2 Requires Restart

Copies text without formatting

Rated 5 out of 5 stars (78)
44,599 users
Updated August 21, 2016

Disable Add-on Compatibility Checks (Version 40+)

Reinstates the extensions.checkCompatibility preference.

Rated 4 out of 5 stars (3)
24,272 users
Updated August 18, 2016

Persona Switcher Requires Restart

Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.

Rated 5 out of 5 stars (49)
2,006 users
Updated August 18, 2016

Environment Proxy Requires Restart

Sets proxy settings from environment variables.

Rated 4 out of 5 stars (8)
1,004 users
Updated August 5, 2016