Miscellaneous

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DOM Inspector Requires Restart

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Rated 5 out of 5 stars (77)
26,934 users

Update Notifier Requires Restart

Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.

Notifies you when updates are available for your extensions and themes.

Rated 5 out of 5 stars (162)
4 users

ToggleReplied Requires Restart

Enables toggling of Replied/Forwarded states of messages.

Rated 5 out of 5 stars (9)
176 users

ThunderKeepPlus

Google Keep for Thunderbird

Rated 5 out of 5 stars (12)
3,047 users

Force RTL

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

Rated 5 out of 5 stars (7)
8 users

Always HTML Requires Restart

Disable automatic degradation of HMTL mails to plain-text mails.

Rated 5 out of 5 stars (7)
387 users

UnMHT

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 4 out of 5 stars (300)
283 users

Quicker Filer Requires Restart

Quicker Filer helps you file your messages into folders using keyboard shortcuts and quick search method. Navigate through folders by typing the start of a folder name and the Quicker Filer dialog will show you all folders that matches as you type.

Rated 4 out of 5 stars (43)
203 users

Auto Save Drafts Folders Requires Restart

Allows auto saved drafts to be stored in a separate folder from purposely saved drafts.

Thunderbird 31: Use v0.3.0b1 from https://addons.mozilla.org/en-US/thunderbird/addon/auto-save-drafts-folders/versions/

Rated 5 out of 5 stars (10)
724 users

IranZilla Requires Restart

IranZilla provides the following services in Thunderbird:

* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian month names.
* Adds a context menu item for copying the Iranian dates...

Rated 5 out of 5 stars (24)
17 users

GlassMyBird [Tb45-58] (discontinued)

GlassMyBird enables more AeroGlass effects than the default Thunderbird theme (only possible on Windows Vista and 7 when AeroGlass is enabled). See instructions inside add-on description how to enable Glass on Windows 8.

Rated 5 out of 5 stars (4)
72 users

Restart Thunderbird Requires Restart

Restart Thunderbird with ease.

Rated 4 out of 5 stars (24)
52 users

Restart App Button

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (6)
69 users

Filter Uploader for Adblock Plus (unofficial) Requires Restart

DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!

This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...

Rated 5 out of 5 stars (19)
0 users

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 4 out of 5 stars (389)
23,456 users

Quicktext Requires Restart

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 4 out of 5 stars (326)
90,760 users

Xpunge Requires Restart

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

Rated 4 out of 5 stars (37)
11,693 users

Toolbar Buttons

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Rated 4 out of 5 stars (362)
8,496 users

BlunderDelay Requires Restart

Thunderbird Extension: AutoSend Unsent Messages. Flushes entire outbox at regular intervals.

Rated 4 out of 5 stars (16)
229 users

MinimizeToTray Requires Restart

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Rated 4 out of 5 stars (464)
5 users