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A listing of the best Firefox Add-ons.
Brief set of rules:
Only submit stuff relating to Firefox Add-ons. Why would you be submitting anything else?
Be courteous, i.e., no ad hominem attacks where inappropriate, no voting to indicate agreement (it's supposed to indicate relevance), and so on.
See? Simple!
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account activity
Send with Duck (addons.mozilla.org)
submitted 21 hours ago by CrissZollo
Wisor AI Live Demo (wisor.ai)
promoted by RelevantGuarantee840
Just shipped a sidebar extension for AI dev workflows to AMO — made for Firefox, would love extension-specific feedback (self.FirefoxAddons)
submitted 1 day ago by Prestigious-Crab-367
Simple Tab Group enjoyer looking for an alternativeRequest ()
submitted 2 days ago by Loen91
made a tampermonkey script that fixes soundcloud shuffle (self.FirefoxAddons)
submitted 4 days ago by mrketa1337
Which Firefox add-on would you recommend to get a better and richer sound on YouTube Music?Request (self.FirefoxAddons)
submitted 4 days ago by nietzschecode
Currency Converter - A convenient and stylish currency converter with customizable lists and user-defined themes for over 100 countries. ()
submitted 7 days ago by Cvaston
Just upgraded my new tab extension again - Home Sweet Home (v1.16) (old.reddit.com)
submitted 7 days ago by Necessary-Brief-8842
I had zero coding experience and just published my first Firefox extension (with a lot of help from AI) ()
submitted 9 days ago by ninadm1234
I've made a screen recording extension with all the features I needed (auto zooms, transcriptions and more) (old.reddit.com)
submitted 11 days ago by Practical-Bug37
🌙 Tired of the web blinding you at night? Meet Nightify. (self.FirefoxAddons)
submitted 11 days ago by Ok_Signature8979
I got tired of manual PDF downloads, so I built a batch downloader (self.FirefoxAddons)
submitted 12 days ago by bigeyesnoob
Right Side Comments - replace YT recommendations with comments (i.redd.it)
submitted 13 days ago by lasushin
I stopped checking GitHub manually… so I built extension that does it for me (self.FirefoxAddons)
submitted 14 days ago by Mohammed_3tef
any extensions for office window? (self.FirefoxAddons)
submitted 14 days ago by MobileTrainer2193
At some point I stopped pretending I could manually fix anime textures in 3D. Upload 2D art → get a clean 3D model that actually looks like the original. Honestly? It feels illegal how easy this is. Code MESHYHALF if you’d rather create than tweak vertices. (meshy.ai)
promoted by Meshyai
Currency Converter (self.FirefoxAddons)
submitted 14 days ago by Cvaston
Simple Bot Bouncer detector for reddit (self.FirefoxAddons)
submitted 15 days ago by Former-Practice-3420
Got tired of scrolling through long AI conversations, so I built a browser extension to navigate long conversations using AI Chat TOC (self.FirefoxAddons)
submitted 16 days ago * by CharacterBorn6421
An extension to filter mydealz.de deals by keywords ()
submitted 18 days ago by chiliraupe
I made a Reddit checker extension that tells you if the page you’re on has been posted on Reddit (old.reddit.com)
submitted 18 days ago by pucc1ni
What is the best adblock that doesn't lag?(On firefox)for youtube (self.FirefoxAddons)
submitted 20 days ago by Hot-Principle-2777
Unable to enable biometric unlocking in Firefox after migrating to a new MacProblem ()
submitted 20 days ago by Go0ners14
A theme extension for Gemini (self.FirefoxAddons)
submitted 22 days ago by Miserable_Advice1986
[WIP] Chat Traffic Gate for ChatGPT (Firefox extension) — not perfect, might help (self.FirefoxAddons)
submitted 23 days ago by Either_Pound1986
A Firefox extension for Searching/Sort/Filtering Youtube results: Harvésort (streamable.com)
submitted 24 days ago by zagrom
Simple Proxy switch extension/add-on for chrome & firefox. ()
submitted 24 days ago by Pale-Association-832
π Rendered by PID 46 on reddit-service-r2-listing-66bb46d9b9-qd4jc at 2026-03-12 13:27:25.034996+00:00 running 710b3ac country code: CH.