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Translated:20180112 Top 5 Firefox extensions to install now.md
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Top 5 Firefox extensions to install now
======
The right extensions can greatly enhance your browser's capabilities, but it's important to choose carefully. Here are five that are worth a look.
![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/firefox_blue_lead.jpg?itok=gYaubJUv)
The web browser has become a critical component of the computing experience for many users. Modern browsers have evolved into powerful and extensible platforms. As part of this, _extensions_ can add or modify their functionality. Extensions for Firefox are built using the WebExtensions API, a cross-browser development system.
Which extensions should you install? Generally, that decision comes down to how you use your browser, your views on privacy, how much you trust extension developers, and other personal preferences.
First, I'd like to point out that browser extensions often require the ability to read and/or change everything on the web pages you visit. You should consider the ramifications of this _very_ carefully. If an extension has modify access to all the web pages you visit, it could act as a key logger, intercept credit card information, track you online, insert advertisements, and perform a variety of other nefarious activities.
That doesn't mean every extension will surreptitiously do these things, but you should carefully consider the installation source, the permissions involved, your risk profile, and other factors before you install any extension. Keep in mind you can use profiles to manage how an extension impacts your attack surface--for example, using a dedicated profile with no extensions to perform tasks such as online banking.
With that in mind, here are five Firefox extensions that you may want to consider.
### uBlock Origin
![ublock origin ad blocker screenshot][2]
Ublock Origin blocks ads and malware while enabling users to define their own content filters.
[uBlock Origin][3] is a fast, low-memory, wide-spectrum blocker that not only blocks ads but also lets you enforce your own content filtering. The default behavior of uBlock Origin is to block ads, trackers, and malware sites using multiple predefined filter lists. From there it allows you to arbitrarily add lists and rules, or even lock down to a default-deny mode. In addition to being powerful, this extension has proven to be efficient and performant.
### Privacy Badger
![privacy badger ad blocker][5]
Privacy Badger uses algorithms to seamlessly block ads and trackers that violate the principles of user consent.
As its name indicates, [Privacy Badger][6] is a privacy-focused extension that blocks ads and third-party trackers. From the EFF: "Privacy Badger was born out of our desire to be able to recommend a single extension that would automatically analyze and block any tracker or ad that violated the principle of user consent; which could function well without any settings, knowledge, or configuration by the user; which is produced by an organization that is unambiguously working for its users rather than for advertisers; and which uses algorithmic methods to decide what is and isn't tracking."
Why is Privacy Badger on this list when it may seem so similar to uBlock Origin? One reason is that it fundamentally works differently than uBlock Origin. Another is that a practice of defense in depth is a sound policy to follow.
### LastPass
![lastpass password manager screenshot][8]
LastPass is a user-friendly password manager plugin that supports two-factor authorization.
This is likely a controversial addition for many. Whether you should use a password manager at all--and if you do, whether you should choose one that has a browser plugin--is a hotly debated topic, and the answer very much depends on your personal risk profile. I'd assert that most casual computer users should use one, because it's much better than the most common alternative: using the same weak password everywhere.
[LastPass][9] is user-friendly, supports two-factor authentication, and is reasonably secure. The company has had a few security incidents in the past, but it responded well and is well-funded moving forward. Keep in mind that using a password manager isn't an all-or-nothing proposition. Many users choose to use it for the majority of their passwords, while keeping a few complicated, well-constructed passwords for important sites such as banking and multi-factor authentication in their head.
### Xmarks Sync
[Xmarks Sync][10] is a convenient extension that will sync your bookmarks, open tabs, profiles, and browser history across instances. If you have multiple machines, want to sync across desktop and mobile, or use multiple different browsers on the same machine, take a look at Xmarks Sync. (Note that this extension was recently acquired by LastPass.)
### Awesome Screenshot Plus
[Awesome Screenshot Plus][11] allows you to easily capture all or part of any web page, as well as add annotations and comments, blur sensitive information, and more. You can also share images using an optional online service. I've found this tool great for capturing parts of sites for debugging issues, discussing design, and sharing information. It's one of those tools you'll find yourself using more than you might have expected.
I've found all five of these extensions useful, and I recommend them to others. That said, there are many browser extensions out there. I'm curious about which ones other Opensource.com community members currently use and recommend. Let me know in the comments.
![Awesome Screenshot Plus screenshot][13]
Awesome Screenshot Plus allows you to easily capture all or part of any web page.
--------------------------------------------------------------------------------
via: https://opensource.com/article/18/1/top-5-firefox-extensions
作者:[Jeremy Garcia][a]
译者:[译者ID](https://github.com/译者ID)
校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[a]:https://opensource.com/users/jeremy-garcia
[2]:https://opensource.com/sites/default/files/ublock.png (ublock origin ad blocker screenshot)
[3]:https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
[5]:https://opensource.com/sites/default/files/images/life-uploads/privacy_badger_1.0.1.png (privacy badger ad blocker screenshot)
[6]:https://www.eff.org/privacybadger
[8]:https://opensource.com/sites/default/files/images/life-uploads/lastpass4.jpg (lastpass password manager screenshot)
[9]:https://addons.mozilla.org/en-US/firefox/addon/lastpass-password-manager/
[10]:https://addons.mozilla.org/en-US/firefox/addon/xmarks-sync/
[11]:https://addons.mozilla.org/en-US/firefox/addon/screenshot-capture-annotate/
[13]:https://opensource.com/sites/default/files/screenshot_from_2018-01-04_17-11-32.png (Awesome Screenshot Plus screenshot)

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五个值得现在安装的火狐插件
======
合适的插件能大大增强你浏览器的功能,但仔细挑选插件很重要。本文有五个值得一看的插件。
![](https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/firefox_blue_lead.jpg)
对于很多用户来说网页浏览器已经成为电脑使用体验的重要环节。现代浏览器已经发展成强大、可拓展的平台。作为平台的一部分_插件_能添加或修改浏览器的功能。火狐插件的构建使用了 WebExtensions API ,一个跨浏览器的开发系统。
你得安装哪一个插件?一般而言,这个问题的答案取决于你如何使用你的浏览器、你对于隐私的看法、你信任插件开发者多少以及其他个人喜好。
首先我想指出浏览器插件通常需要读取和或者修改你浏览的网页上的每项内容。你应该_非常_仔细地考虑这件事的后果。如果一个插件有修改所有你访问过的网页的权限那么它可能记录你的按键、拦截信用卡信息、在线跟踪你、插入广告以及其他各种各样邪恶的行为。
并不是每个插件都偷偷摸摸地做这些事,但是在你安装任何插件之前,你要慎重考虑下插件安装来源、涉及的权限、你的风险数据和其他因素。记住,你可以从个人数据的角度来管理一个插件如何影响你的攻击面( LCTT 译者注:攻击面是指入侵者能尝试获取或提取数据的途径总和)——例如使用特定的配置、不使用插件来完成例如网上银行的操作。
考虑到这一点,这里有你或许想要考虑的五个火狐插件
### uBlock Origin
![ublock origin ad blocker screenshot][2]
ublock Origin 可以拦截广告和恶意网页,还允许用户定义自己的内容过滤器。
[uBlock Origin][3] 是一款快速、内存占用低、适用范围广的拦截器它不仅能屏蔽广告还能让你执行你自己的内容过滤。uBlock Origin 默认使用多份预定义好的过滤名单来拦截广告、跟踪器和恶意网页。它允许你任意地添加列表和规则,或者锁定在一个默认拒绝的模式。除了强大之外,这个插件已被证明是效率高、性能好。
### Privacy Badger
![privacy badger ad blocker][5]
Privacy Badger 运用了算法来无缝地屏蔽侵犯用户准则的广告和跟踪器。
正如它名字所表明,[Privacy Badger][6] 是一款专注于隐私的插件它屏蔽广告和第三方跟踪器。EFF LCTT 译者注EFF全称是电子前哨基金会Electronic Frontier Foundation旨在宣传互联网版权和监督执法机构 )说:“我们想要推荐一款能自动分析并屏蔽任何侵犯用户准则的跟踪器和广告,而 Privacy Badger 诞生于此目的;它不用任何设置、知识或者用户的配置,就能运行得很好;它是由一个明显为用户服务而不是为广告主服务的组织出品;它使用算法来绝定什么正在跟踪,什么没有在跟踪”
为什么 Privacy Badger 出现在这列表上的原因跟 uBlock Origin 如此相似其中一个原因是Privacy Badger 从根本上跟 uBlock Origin 的工作不同。另一个原因是纵深防御的做法是个可以跟随的合理策略。
### LastPass
![lastpass password manager screenshot][8]
LastPass 是一款用户友好的密码管理插件,支持双重授权。
这个插件对于很多人来说是个有争议的补充。你是否应该使用密码管理器——如果你用了,你是否应该选择一个浏览器插件——这都是个热议的话题,而答案取决于你的风险资料。我想说大部分不关心的电脑用户应该用一个,因为这比起常见的选择:每一处使用相同的弱密码,都好太多了。
[LastPass][9] 对于用户很友好,支持双重授权,相当安全。这家公司过去出过点安全事故,但是都处理得当,而且资金充足。记住使用密码管理器不是非此即彼的命题。很多用户选择使用密码管理器管理绝大部分密码,但是保持了一点复杂性,为例如银行这样重要的网页精心设计了密码和使用多重认证。
### Xmarks Sync
[Xmarks Sync][10] 是一款方便的插件,能跨实例同步你的书签、打开的标签页、配置项和浏览器历史。如果你有多台机器,想要在桌面设备和移动设备之间同步、或者在同一台设备使用不同的浏览器,那来看看 Xmarks Sync 。(注意这款插件最近被 LastPass 收购)
### Awesome Screenshot Plus
[Awesome Screenshot Plus][11] 允许你很容易捕获任意网页的全部或部分区域,也能添加注释、评论、使敏感信息模糊等。你还能用一个可选的在线服务来分享图片。我发现这工具在网页调试时截图、讨论设计和分享信息上很棒。这是一款比你预期中发现自己使用得多的工具。
我发现这五款插件有用,我把它们推荐给其他人。这就是说,还有很多浏览器插件。我好奇其他的哪一款是 Opensource.com 社区用户正在使用并推荐的。让评论中让我知道。LCTT 译者注:本文引用自 Opensource.com ,这两句话意在引导用户留言,推荐自己使用的插件)
![Awesome Screenshot Plus screenshot][13]
Awesome Screenshot Plus 允许你容易地截下任何网页的部分或全部内容。
--------------------------------------------------------------------------------
via: https://opensource.com/article/18/1/top-5-firefox-extensions
作者:[Jeremy Garcia][a]
译者:[ypingcn](https://github.com/ypingcn)
校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://opensource.com/users/jeremy-garcia
[2]: https://opensource.com/sites/default/files/ublock.png "ublock origin ad blocker screenshot"
[3]: https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/
[5]: https://opensource.com/sites/default/files/images/life-uploads/privacy_badger_1.0.1.png "privacy badger ad blocker screenshot"
[6]: https://www.eff.org/privacybadger
[8]: https://opensource.com/sites/default/files/images/life-uploads/lastpass4.jpg "lastpass password manager screenshot"
[9]: https://addons.mozilla.org/en-US/firefox/addon/lastpass-password-manager/
[10]: https://addons.mozilla.org/en-US/firefox/addon/xmarks-sync/
[11]: https://addons.mozilla.org/en-US/firefox/addon/screenshot-capture-annotate/
[13]: https://opensource.com/sites/default/files/screenshot_from_2018-01-04_17-11-32.png "Awesome Screenshot Plus screenshot"