app.telemetry Page Speed Monitor
Get the page load times of any web page! app.telemetry Page Speed Monitor shows offset and duration of each step during the page load based on W3C navigation timing.
1,128 users
Material Icons for Github
Replace the file/folder icons on github file browsers with icons representing the file's type and which tool it is used by.
1,125 users
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
1,123 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
1,121 users
Display #Anchors
Displays anchors for all content in the current web page without breaking the layout.
1,120 users
BetterViewer
BetterViewer was designed as a replacement for the image viewing mode built into Firefox and Chrome-based web browsers. With BetterViewer you can use various keyboard shortcuts to quickly pan, zoom images, edit and a lot more!
1,085 users
Userchrome Toggle Extended
This extension allows you to toggle userchrome.css styles on-the-fly with buttons and hotkeys. You'll be able to switch up to six styles
1,081 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1,079 users
Reload Skip Cache Button
Reload page without using content stored in the browser cache to make sure you get any updates.
1,070 users
Self-Destructing Cookies (WebEx)
Delete cookies when browser is closed or once the tab is closed to prevent possible trackings (similar to Ove's Self-Destructing Cookies which is not compatible with FF57 anymore)
1,067 users
TrashMail.com for Mozilla Firefox®
Create free disposable email addresses and paste them directly in forms. This helps to protect you from spam mails and could be useful when subscribing to forums or newsletters...
1,067 users
OpenLorem
Lorem Ipsum filler text for web developers. Uses Loripsum, Bacon Ipsum and Dino Ipsum APIs to retrieve customized text. Insert into fields using context menu. Source code is available on Github.
1,056 users
Link Extractor
Modern Web Extension to extract, parse, and open links from any site or text with optional filters.
1,056 users
Dynamics 365 Power Pane
The CRM Power Pane is a helper tool designed to integrate with Microsoft Dynamics CRM application and allow you to manipulate forms.
1,053 users
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
1,052 users
http tracker
Monitoring the browser network for all tabs and pages in a single page. Track network traffic / http traffic sent from each tab, or page and the response headers for each request. Filter requests to capture, filter requests to view
1,040 users
Advent of Code Charts
Inject charts in your private leaderboard page for Advent of Code - see https://github.com/jeroenheijmans/advent-of-code-charts
1,034 users
Dark Mode Website Switcher
Adjusts the website's color scheme, so that all websites are dark by default, if they have a special design for that. It makes websites look dark even with a light system style.
1,010 users
