Privacy & Security

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Office 365 Login

This extension gets you directly to your organization's login page.

Not yet rated
227 users

Ad Blockerr

Block unwanted Popups

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226 users

aguse ポップアップツール Requires Restart

リンク先の危険性などを調べることができます。

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225 users

twithide Requires Restart

Tweet that you do not want to read is made invisibility doing neither remove nor block.

Rated 5 out of 5 stars (1)
225 users

History Prefs Modifier Requires Restart

Allow to modify history preferences by default.

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224 users

Доступ к LinkedIn

Надежный доступ к linkedin.com для граждан РФ

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224 users

Hide Preferences

Remove unused UI elements without breaking Firefox

Rated 5 out of 5 stars (1)
223 users

lama Compatible with Firefox 57+

Accès hors campus aux ressources documentaires en ligne de l'Université d'Aix-Marseille

Rated 5 out of 5 stars (1)
223 users

URL Tracking Protector - G/R Compatible with Firefox 57+

Protects your privacy by removing URL tracking from Reddit links and Google search results.

Credits: Addon contains open scripts written by Redditor OperaSona and dindog from user-scripts-mirror.org

Not yet rated
222 users

EditThisCookie Compatible with Firefox 57+

EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!

Rated 4 out of 5 stars (1)
221 users

SSLGuard Requires Restart

Protects against ssl mitm attacks

Rated 4 out of 5 stars (9)
219 users

LibertyGuard Requires Restart

This add-on is for members of LibertyReserve.com only!!

Liberty Guard add-on protects its users against phishing(fake) websites that look like LibertyReserve.com

Rated 5 out of 5 stars (29)
218 users

Custom User-Agent (Revived) Compatible with Firefox 57+

Add a custom useragent string for desired URLs or domains.

Rated 4 out of 5 stars (3)
217 users

Privacy friendly Cookie-Einstellungen Requires Restart

Dieses Add-On soll den Nutzern helfen ihre Cookie-Einstellungen so zu verändern, dass sie die Privatsphäre eines jeden Nutzers schützen. Dabei werden ausführlich die Vorteile und Einschränkungen einer jeden Einstellung erläutert.

Not yet rated
217 users

$heriff_v2 Requires Restart

$heriff - The price discrimination (PD) add-on.
This is an experimental add-on for research purposes only. It measures the extent of PD and what factors can trigger it.

Not yet rated
216 users

bit.ly preview Requires Restart

With thebit.lyPreview Plugin for Firefox, whenever you hover over abit.lyURL on any web page, we display a tooltip showing the Page Title, Long URL, and any Click Data we have about the page the URL links to. If you hover over another short URL,http:...

Rated 3 out of 5 stars (69)
215 users

UserCSP

The goal of this project is to allow savvy users to be able to voluntarily specify their own Content Security Policy (CSP) for websites that may not have implemented CSP.

Rated 2 out of 5 stars (7)
213 users

Visual Hashing

Changes the background of password entry fields to a four-color visual hash. Use this add-on and, over time, you'll remember your visual hash and stop mistyping your passwords!

Rated 4 out of 5 stars (10)
213 users

FireCrypt Requires Restart

Password-based encryption and decryption of text using 256-bit AES.

Rated 5 out of 5 stars (3)
213 users

Block Image|Video Compatible with Firefox 57+

Easily block all images and videos within a website!

Rated 3 out of 5 stars (1)
212 users