Firefox add-on with keyword - error

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

This extension will automatically refresh twitch stream whenever any error occurs.

Provides common place for reporting errors.

Checks every 404 pages. If an archive exists in archive.org, a banner is displayed to open this archive.

Notifies JavaScript errors by icon in toolbar bar or notification popup GitHub → https://goo.gl/RBcFK8 Test page → https://goo.gl/IEXS2y

Check the HTML start and end tags for problems.

This mirror flips your online activity!

Jojo reacts to browser errors

Allows you to mirror a video within the web page, services such as YouTube and Twitch are supported, but it works on the majority of sites.

Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

Rotate - support 0°, 90°, 180°, 270° - affect youtube video preview Zoom / Mirror - support long press +,- button * the value will be reset after pressing the reset button or the rotate button * not affect youtube video preview

The Mass Downloader for your browser

Mirror Block is an extension that detects and (optionally) counter-block the users that block you on Twitter.

Flip videos to their original position

View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.

Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.

Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.

technical, problem, error, bad link, computer, funny, 404, technology, http;, whimsical, scary, Page Not Found, Designed by MaDonna

A simple JS error notifier for the browser. It listens to the JS functions such as console.log() etc., and then outputs everything to you as real-time notifications, directly on the webpage, without having to open the browser console.

With this extension you can find expired bookmarks and remove them easily. You can find all kinds of broken bookmarks, like pages that return 404 (Page not found) or other HTTP errors.

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

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An Add-On for defining which Mirror to use for 5e Tools.

Turquoise small neon Fox V2 Border Color: 01C8B0 Note: use this theme only in windows dark mode! Otherwise errors may occur in the color display.

Replaces all error pages with HTTP cat