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.
1.175 người dùng
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.
1.157 người dùng
Display #Anchors
Displays anchors for all content in the current web page without breaking the layout.
1.155 người dùng
wxIF
View the EXIF/IPTC/XMP metadata for images. WebExtensions port of the FxIF add-on.
1.150 người dùng
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
1.145 người dùng
(Animated) Nyan Cat Progress Bar for YouTube™
Nyan Cat Progress Bar for YouTube™ ~~ [Animated] ~~
1.145 người dùng
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.
1.142 người dùng
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.
1.130 người dùng
Web Component DevTools
Developer tooling for Web Components and Web Component Libraries
1.114 người dùng
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!
1.100 người dùng
Reload Skip Cache Button
Reload page without using content stored in the browser cache to make sure you get any updates.
1.097 người dùng
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.
1.086 người dùng
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
1.085 người dùng
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)
1.083 người dùng
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...
1.078 người dùng
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
1.074 người dùng
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
1.065 người dùng
Advent of Code Charts
Inject charts in your private leaderboard page for Advent of Code - see https://github.com/jeroenheijmans/advent-of-code-charts
1.035 người dùng
