Recommended extensions for Firefox
Posted Aug 7 2021, updated Oct 15 2021
This document is dedicated to the public domain (CC0)
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Add custom search engine
Always Preview PDFs (not obsolete for certain links!)
Augmented Steam
BetterTTV
CanvasBlocker
ClearURLs
Code Injector
Copy Image Text
Cryptext
Dark Reader
Download Images From Tabs
Duplicate Tab Shortcut (functionality differs slightly from Shortkeys)
Easy Container Shortcuts
F.B. Purity
Firefox Color
Firefox Multi-Account Containers
Genius Search
I don't care about cookies
Markdown Viewer Webext
Mastodon Simplified Federation
MoreVerbatim
Mouseless
Open Image in New Tab
OptMeowt
OwnCast Browser Extension
Purple Adblock
OR Video Ad-Block, for Twitch
Reddit Enhancement Suite
Reddit PGN viewer
Redirect AMP to HTML
Redirector
Refined GitHub
Right Click Wiktionary
Shortkeys
Sponsorblock for YouTube
Stylus
Switch Container
tabdetach
TinEye Reverse Image Search
To Google Translate
Tweak New Twitter
Twitch Channel Points Autoclicker
Twitch Chat pronouns
Twitter Link Deobfuscator
Twitter Search
uBlock Origin
Unpaywall
View Image
Want My RSS
Web Search Navigator
XKit Rewritten
YouTube Search Engine
"Manage extension shortcuts in Firefox"
Thank you Rand for the list suggestions :)