Search spam blocker. Tells you about the company behind each search result. Limits search ads to one ad per page.

New! - now available on Android

WebTester is a simple add-on to Firefox that helps pentesters, bug-bounty hunters and CTF Players to test most common and powerful payloads for the most common injection vulnerabilities.

Automatic login for Quest, WaterlooWorks, Learn, WatIAM, WatCard, myHRinfo and many other campus systems.

Unblock Youku. You can enter Youku and all sites. Unblock Youku Bilibili, Vk. you can enter all sites and you enter youku easily

mRequestControl is a Firefox Plugin which lets you manipulate the responses of HTTP requests.

Provides website information such as Rank, and checks URLs against suspected pages.

Webページのウィルスチェッカー、ブラクラチェッカー、短縮URLチェッカーである「webviruscheck」へ連携する拡張機能です。リンク上で右クリック、URL文字列を選択して右クリックすることにより、リンク先が危険なサイトでないかを簡単に調べることができます。
※WebExtensionです。Firefox48以降で使用可能です。

Reveal the true destination of shortened URLs.

Generate a secure hash code (i.e. SHA-256) from any file or string!

Get details about a phone number by simply highlighting, right clicking, and choosing a site to look the number up on.

Adds a redirect from yandex.ru to the clean Yandex home page.

Changes your User-Agent string to a sensible-looking string which is different for every request. Having a different UA on each request make it a lot easier to evade some tracking schemes.

Supports excluding certain domains, and mobile-like UAs.

This extension will capture the SAMLResponse during SSO to AWS and automatically exchange it for AWS credentials.

This extension uses your CAPTCHA answer to verify TLS certificate that you get from website you're visiting.
Warning: you can see it in action only if a website has server-side part of such verification scheme.

Changes the background of password entry fields to a four-color visual hash. Each password will have its own unique four color sequence, making it easy to tell if you've accidentally made a typo while entering your password before the site can!

Search anonymously on Google while staying logged in on services such as Youtube, Gmail, etc.

SafeToOpen Online Security protects you against scams, viruses, and phishing sites.

PunyCodeChecker protects users from Homograph Attack. It will prompt a warning page when the visited domain name contains non-ASCII characters. Users can clear the exempted URLs by clicking on the plugin icon.

Only request non-personalized ads from Google AdSense.

Say goodbye to Hotstar ads forever!

Forces SafeSearch on Google. Makes every search a safe search.

Set up domains so that they aren't allowed to load content except in specific containers.

Skips Google's redirect page when clicking search results, saving you valuable milliseconds and bandwidth.

A minimalistic Firefox extension that allows you to define one JS script which is injected into every page you visit. The addon's code is only a couple of lines long so you can easily verify what's going on.

Open all links that have a "linkognito" html class element in incognito mode (private browsing window).

Can be useful to open a secondary session in parallel.

Redirects all YouTube requests to an alternative frontend, based on Invidious-Redirect.

Check your current IP Address and Country with Geo-IP Widget. The Geo-IP Widget comes also with an inbuilt Map which Locates your current location of your Country and City that you are in.

Encrypt/Decrypt any file with just one click inside your browser!

Quickly open a new tab in any specified Firefox container.

Shortcut: Ctrl+Shift+Comma.

Fixes & enhancements for the Belfast Telegraph website.