Save-To-Read
Add-on for quick bookmarking. Allows to add or remove links in one click to read it later.
694 users
JSONView
View JSON documents in the browser.
25,454 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,859,713 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
62,168 users
DevTools Prototyper
This add-on adds JS Fiddle style code prototyping to Firefox DevTools.
30 users
Kee - Password Manager
Save time, sign in easily to websites and avoid the hassle of forgotten password resets. Protect yourself and people you know from the nightmare of your accounts being hacked.
28,504 users
Nimbus Screen Capture: Screenshot, Edit, Annotate
★ Used by Several Million users on different platforms ★ 1) Screen capture web pages 2) Selected regions 3) Whole browser window 4) Slack upload Edit screenshots. Save images as local files or Google Drive. Tools for Annotation. Upload and share
47,892 users
RESTClient, a debugger for RESTful web services.
RESTClient has been completely rewritten for compatible with Firefox 57. Some functions are still missing (OAuth & OAuth 2.0 authentication).
33,624 users
Pure URL
Removes garbage like "utm_source" from URLs
963 users
Redirector
Automatically redirects to user-defined urls on certain pages
16,452 users
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,547,476 users
7 users
962 users
1,742 users
10 users
4,125 users
464 users
308 users
1,050 users
108 users
1,639 users
DownThemAll!
The Mass Downloader for your browser
212,402 users
Web Developer
The Web Developer extension adds various web developer tools to the browser.
92,014 users
Text Link
Allows URI texts written in webpages to be loaded by double clicks.
16,915 users