Password Hasher Plus automatically enhances password strength (length and difficulty) to protect your accounts.

Open links in the most recently accessed private window.

CloudBleed, search have you visited affected websites recently by browser history.

Automatically generates per-site passwords if you prefix your password with @@ or F2.

Alternate version to original PwdHash add-on to fix issues in Firefox 66 and onwards, added optional more secure hashing algorithm and highlight password field.

Redirect all your youtube link to top invidious site

Adds button/hotkey to clear cookies, localStorage, indexedDB, cache, serviceWorkers, sessionStorage and pluginData for all sites and tabs

Reopens the current tab into a private window. The original tab will be closed. Special urls including urls starting with about: and chrome: will be ignored and a new private window with about:blank is opened instead.

mHeaderControl is a Firefox Plugin which provides features to manipulates HTTP headers of requests.
Individual features can be turned on globally or on a per page basis.

Block all unwanted websites

Load streaming sites videos in the lightweight native HTML5 player and block annoying popups.

Adds a helper menu for SQLMap.

This is a Firefox extension that shows in a readable format, the state of HSTS and HPKP domains stored by the browser. Firefox does not have a native way to show these domains or this functionality documented.

Manage Everscale wallets and access dApps directly from your browser

This extension attempts to conceal sensitive Azure information found in the portal views. If you find it is not finding and concealing areas within the Azure portal please open an issue on the GitHub repository: https://github.com/clarkio/azure-mask

This extension makes your browser load Wikipedia content from one of the available Wikipedia mirrors, instead of wikipedia.org.

Makes Stack Overflow/Exchange less trash to use. Gets rid of the left and right sidebars, as well as the footer.

Rewrite links within Slack to avoid slack-redir.net

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Tired of links posted to Slack being redirected through slack-redir.net? This extension rewrites the links to go where they intend to, instead of through Slack's redirector. That's it.

Pins homepage URLs as tabs

Control your cookies!

MSTC Signing App

Just right click where you are in need of a Harakirimail (disposable email address), your inbox will open in a background tab.

Redirect to privacy-friendly alternatives

Base64 Encoder Decoder, based on contextMenu, with in-place html text replacement.

Protects your privacy by disabling Microsoft Safe Link, redirecting you to the original URL instead of going through Microsoft.

Prevents intempestive opening of popups from website links and scripts.

right-click context-menu items to clear HTML formating and copy as plain text

An addon for automatically and securely checking used passwords against known leaked passwords

Sign up everywhere without your email

Warns if a domain or subdomain is an internationalized domain name to prevent fishing attacks.

Blocks scripts and resources from a website with Content Security Policy.