Firefox add-on with keyword - mock

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

tweak allows you to mock and modify HTTP requests without leaving the browser

A customizable, password-protected website blocker and redirector.

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Tomato Clock is a simple browser extension that helps with online time management.

Remove all annoying ads from YouTube.

The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Alters some JS APIs to prevent fingerprinting.

Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.

Run web clients without backends by mocking HTTP requests

One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Allows users to quickly convert regular text to a sarcastic format

Create, manage, and apply mock APIs to specific URLs.

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

Lock Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.

Rozšíření, díky kterému už při nakupování nikdy nezapomenete podpořit dobrou věc úplně zdarma.

Bei der täglichen Arbeit mit Trello, JIRA, Asana, Github, Youtrack und Wunderlist kann jetzt direkt aus diesen Apps heraus die dafür verwendete Zeit in MOCO erfasst werden. In MOCO wird der Eintrag zur App verlinkt.

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

Here is an unofficial addon for the Pocket service, whose goal is to bring some Pocket superpowers back to your browser. If you loved the old Pocket addon, you should love InMyPocket!

BlockSite is an extension, which automatically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.