Add extensions, get work done

Notepad

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Are you tired of switching back and forth from terminal to web apps to validate regular expressions? This web extension will help you check matches in a string against a regular expression.

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.

Replace a URL by another.

A right click menu entry to automatically convert Markdown syntax in JIRA's Markup (and the other way around).

This extension creates a new Google Calendar Event™ in one click when you are logged into your Google Account.

This extension provides tree view for code in GitLab. In time of writing description, this is the only extension that supports custom-hosted GitLab instances. The must-have plugin for code reviews! Enjoy :)

Ignore Google scripts and route Google CDN to Cloudflare.

Adds a button to most context menus to send a link to KGet for download.

Customize your dark mode for the web!

Block unwanted sites. See how many times you've visited a site.

The Brook Feed reader is a minimal feed reader that keeps subscriptions to your favorite sites close at hand.

add header This add-on would add custom header to HTTP requests. We can add headers to all requests or specific request for certain sites.

- Pull down gesture (vertical swipe) to Reload page. - Swipe horizontally to the left margin of the screen to go Back - Swipe horizontally to the right margin of the screen to go Forward

Creates a formatted link to the current page and copies it to the clipboard.

Redirects the RS3 and OSRS wiki from the old wiki hosted on Wikia to the officially forked wiki hosted at runescape.wiki and oldschool.runescape.wiki See https://www.reddit.com/r/2007scape/comments/9j2cht/old_school_runescape_wiki_leaving_wikia/

Use Alt+Shift with the left and right arrow keys to navigate your tabs in the order you've used them. Alt+Shift+◀ to go back, Alt+Shift+▶ to go forward. Simple like that.

Do you find people who just have to use week numbers annoying? Week number extension is your tool for understanding their language.

Double-click any word to see its definition. Also, you can quickly see all the words that you have looked up each day. It helps you build your vocabulary over time. WE DON'T HAVE ACCESS TO THE WORDS YOU LOOKUP!

This addon changes the cursor when hovering a link that will open a new tab. It is possible to stay in current tab by pressing `Ctrl`/`Cmd` + `Shift`.