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DownThemAll! 精选

The first and only download manager/accelerator built inside Firefox!

评分4星,满分5星 (2,899)
280 位用户

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

评分4星,满分5星 (120)
258 位用户

ThunderBirthDay 需要重开

显示 Thunderbird 地址簿中的生日为 Lightning 中的事件。

评分4星,满分5星 (97)
253 位用户

Flexible Identity 需要重开

Selects an identity based on the recipients list when sending an email

评分4星,满分5星 (39)
250 位用户

Saved Password Editor 需要重开

在「已保存密码」管理中增加新建与编辑密码的功能。

评分5星,满分5星 (390)
235 位用户

Folderpane Tools 需要重开

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

评分3星,满分5星 (125)
226 位用户

SeaMonkey Debug and QA UI 需要重开

Provides Additional Debug and QA UI for SeaMonkey development and testing.

评分3星,满分5星 (3)
207 位用户

Theme Font & Size Changer for ThunderBird

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.

评分3星,满分5星 (100)
205 位用户

Image Zoom 需要重开

Adds zoom and rotation functionality for images...

评分4星,满分5星 (355)
203 位用户

User Agent Switcher 需要重开

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

评分4星,满分5星 (336)
185 位用户

Lightbird 需要重开

Standalone calendar UI for Lightning

评分4星,满分5星 (21)
182 位用户

Easiest YouTube Video Downloader

This Addon simply adds a dropdown button that lets you download YouTube Videos in various Formats. Download YouTube Videos in FLV, 3GP, MP3, MP4, 720p, 1080p in a single click.

评分3星,满分5星 (47)
176 位用户

Session Manager

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

评分5星,满分5星 (850)
170 位用户

Bluhell Firewall

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

评分4星,满分5星 (498)
156 位用户

Speed Start

Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks

评分5星,满分5星 (82)
155 位用户

Extra Format Buttons 需要重开

Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.

评分4星,满分5星 (19)
154 位用户

FireFTP 需要重开

FireFTP是Mozilla Firefox的一个免费的、安全的、跨平台的FTP/SFTP客户端,它提供了方便而直观地访问FTP/SFTP服务器的功能。

评分4星,满分5星 (1,070)
153 位用户

Quote Colors 需要重开

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

评分5星,满分5星 (52)
146 位用户

Return Receipt Toolbar Button 需要重开

在邮件撰写窗口的工具栏添加一个返回回执按钮。

评分5星,满分5星 (21)
140 位用户

Cookies Exterminator

Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused

评分5星,满分5星 (17)
140 位用户