by PeterPerlich

47 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,989 reviews

23,439,654 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 166 reviews

567,294 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

German Dictionary by KaiRo

Rated 4 out of 5 stars 56 reviews

574,831 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 184 reviews

190,615 users

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 107 reviews

339,133 users

Spanish/Spain Dictionary

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 173 reviews

108,690 users

Switch the signature on/off or choose a new one from your predefined set...

Quick Locale Switcher by ppclick

Rated 3 out of 5 stars 85 reviews

230,585 users

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Locale Switcher by bsmedberg

Rated 4 out of 5 stars 25 reviews

43,519 users

Displays a menu item for switching the application locale.

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 213 reviews

84,468 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 275 reviews

42,969 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Quicktext by WizKid

Rated 4 out of 5 stars 276 reviews

94,677 users

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

General Catalan dictionary by Toniher

Rated 4 out of 5 stars 33 reviews

52,449 users

Free Catalan (general version) spelling dictionary.

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 125 reviews

42,821 users

Allow to redirect (a.k.a. "remail") mail messages to other recipients.
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