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!
1.148 utents
SEO Site Tools, Site Analysis
One-click SEO extension. Quick access to SEO analysis. Features: website indexed pages, backlinks, Alexa, IP, SEO stats and tools.
1.131 utents
OwlZoom for Youtube Videos
Zoom+in Youtube Videos
1.122 utents
Display #Anchors
Displays anchors for all content in the current web page without breaking the layout.
1.121 utents
wxIF
View the EXIF/IPTC/XMP metadata for images. WebExtensions port of the FxIF add-on.
1.111 utents
GraphQL DevTools
Developer tools panel for GraphQL development
1.105 utents
External Application Button (WebExtension)
A highly customizable external application button and context-menu items
1.100 utents
Edit Anything
Edit Anything from Chrome is now on Firefox. Before It was on Chrome. Click icon to turn on. sets contentEditable to true. Click to set false. If on then click text/any other element and make the changes. Changes don't persist after reload.
1.092 utents
MaterialDesignIcons Picker
Quick & easy icon picker
1.090 utents
Tab2QR
A minimalist browser extension that generates QR codes from your current tab, allows you to edit the encoded content, copy QR code image to clipboard, or download as PNG or SVG files.
1.082 utents
Vercel
Use the Vercel Toolbar on production deployments
1.080 utents
JWT Debugger
The JWT.io debugger as a Web Extension
1.058 utents
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.
1.055 utents
SAML Message Decoder
This tool helps you debug your SAML based SSO/SLO implementations. It runs in the background, collecting SAML messages as they are sent and received by the browser.
1.046 utents
Ember Inspector
Tool for debugging Ember applications.
1.042 utents
Web Component DevTools
Developer tooling for Web Components and Web Component Libraries
1.040 utents
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
1.033 utents
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...
1.032 utents
Invisible Video Downloader
Silently downloads all video resources on page load
1.030 utents
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)
1.027 utents
LiveHosts
Switch your host/IP mappings in real time without editing your hosts file
1.026 utents
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.
1.023 utents
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
1.020 utents
Reload Skip Cache Button
Reload page without using content stored in the browser cache to make sure you get any updates.
1.019 utents
What CMS Is This
Detect which CMS a site is using with the help of WhatCMS.org
1.013 utents