Talk to your friends with WeChat in sidebar.

HotKey: Alt + Shift + W

Improves the Medium reading experience, ruined by user engagement tactics.

Simulates information a color blind person receives and/or adds a daltonization filter.
This addon can be used for testing a website accessibility for the color blind and / or to educate (yourself) on the topic of color blindness.

Post to Tumblr right from your browser toolbar!

Open Link in New Tab help you change default how a link opened - in current tab or in new tab. Compatible with new Firefox Quantum 57

Shows approximately what users will see if this webpage is shared on websites that uses OG tags to display a preview.
Let you detect if no Open Graph Tags are set on your webpage !
The shown preview is inspired from the Facebook one.

Easily proofread, edit, and track changes to your content in ChatGPT.

Dark mode for Wikipedia

Convert any webpage into an e-book.

Simplifies interactions on other Mastodon instances than your own. Visit https://github.com/lartsch/FediAct for more.

InstaSave : Download any Instagram Videos. This add on adds a button to download any Instagram Video from your browser.

Bring the dark theme to YouTube. This mode will reduce eyestrain and protect your eyes.

Read removed Reddit comments

Help you to view images and download images from twitter timeline

Gmail Mail Sidebar brings Gmail right into your Firefox Sidebar.

Hide the Trends widget on Twitter

Controls the speed for online streaming for Netflix, Amazon Prime, Youtube, Facebook, Hotstar Twitch, Reddit, edx and ALL others.

The best way to browse imageboards!

This extension hides the number of impressions on Twitter and prevents the creation of an approval desire monster.

DontBugMe allows you to easily use credentials from BugMeNot.com on any page.

Advanced Profanity Filter helps to clean up bad language on the websites you and your family visit.

The Fedica extension allows Fedica users to use advanced AI-driven publishing abilities from Fedica anywhere on the internet. Reading something cool? Share your thoughts in an instant. Schedule tweets, retweets, replies, Facebook, Mastodon, or Linked

Add notes to email threads in Gmail.

Change how you look on Google Meet with adjustable exposure, blur, vignette, and more!

export whatsapp unknown contacts for free lifetime.

best features are :

save upto 20,000 plus contacts
easy to use tool
no charges no need signup or login

auto names generater app is available soon

The best manager to group Youtube playlists. Make YouTube folders and sort Youtube playlists

Notifier for Gmail, Hotmail, Yahoo, AOL and so on

Copy Text multiple times before pasting

Share your pages on Firefox with a simple click to 30~ different web services!

SavvyConnect by SavvyShares Firefox extension