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Enigmail Doporučené

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

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148 641 uživatelů

Image Zoom

Adds zoom and rotation functionality for images...

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139 255 uživatelů

CompactHeader Doporučené

Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)

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126 758 uživatelů

Text Link

Allows URI texts written in webpages to be loaded by double clicks.

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126 716 uživatelů

Extra Folder Columns

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.

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122 814 uživatelů

Manually sort folders

This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.

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121 027 uživatelů

Bluhell Firewall Nevyžaduje restart

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

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119 117 uživatelů

DOM Inspector

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.

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115 869 uživatelů

Toolbar Buttons Nevyžaduje restart

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.

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107 574 uživatelů

JavaScript Debugger

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

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107 479 uživatelů

Theme Font & Size Changer Nevyžaduje restart

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

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95 192 uživatelů

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

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89 976 uživatelů

UnMHT Nevyžaduje restart

UnMHT umožňuje prohlížet soubory webových archivů MHT (MHTML) a ukládat celé webové stránky, včetně textu a grafiky, do jednoho souboru.

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87 734 uživatelů

Saved Password Editor

Adds the ability to create and edit entries in the password manager.

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87 567 uživatelů

Quicktext

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

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85 549 uživatelů

Signature Switch

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

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81 237 uživatelů

ReminderFox

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.

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76 689 uživatelů

gContactSync

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

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76 369 uživatelů

HTML5 Video Everywhere! Nevyžaduje restart

Replace video player with Firefox native video player

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75 503 uživatelů

Remove Duplicate Messages (Alternate)

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

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65 280 uživatelů