To use these add-ons, you'll need to download Firefox.

Log in

8,666 extensions found in Games & Entertainment

Filter results
Search results
  • Spooky Times

    Spooky Times

    Replaces the most text on a webpage 'unprecedented' with 'spooky', we truly live in frightening times.

    eggoboy84

    1 user

  • 17Lands Extensions

    17Lands Extensions

    Extensions for 17Lands

    fleetfoxx

    1 user

  • Rich Select Menu

    Rich Select Menu

    Rich Select Menu for Ff users. 1) searh with everything software. 2) google 3)translate 4) copy to clipboard. easy and fast.

    bafra-acizade-cig-kofte

    1 user

  • PolyLogoFix

    PolyLogoFix

    Replaces the 'improved' Cal Poly logo with the old one on the portal.

    Reemer

    1 user

  • glossa

    glossa

    glossa turns Netflix and Prime Video into a language-learning experience with bilingual subtitles, interlinear glosses, phonetic readings and saved vocabulary. Export to anki and learn in 10 different languages. Learn to think like the natives do.

    Norvalys

    1 user

  • ChessPieceSwitcher

    ChessPieceSwitcher

    Switch the sprites of different pieces on lichess.org and chess.com

    Ollie Etherington

    1 user

  • Emotab

    Emotab

    Наслаждайтесь яркой и вдохновляющей фотографией каждый раз, когда открываете новую вкладку браузера. 100% бесплатно!

    Emotab.com

    1 user

  • Plus 2

    Plus 2

    Enhances Twitch and YouTube chat with message highlighting, activity gauges, polls, and more for streamers. Plus 2 adds a suite of powerful tools like a dedicated OBS popout for highlighted messages, a real-time chat activity gauge, live polls, a com

    tyler

    1 user

  • YouTube TimeSaver (Cycle Skip)

    YouTube TimeSaver (Cycle Skip)

    Cycle keys with Auto-Start, Next Video, opacity, and table UI for YouTube. Skip uninteresting sections of any YouTube video automatically. Set custom key intervals, cycle through timestamps, and move to the next video — all hands-free.

    Eduardo S

    1 user

  • Black Screen Test | Online Tool

    Black Screen Test | Online Tool

    BlackScreen.tech provides a black screen to dim the second monitor, clean monitors, enhance gaming, and prevent burns on plasma TVs.

    akawahuynh

    1 user

  • SkinCap — Skin Manager

    SkinCap — Skin Manager

    The ultimate skin management tool

    SkinCap

    1 user

  • HyruleGuessr Filters

    HyruleGuessr Filters

    Advanced filters for HyruleGuessr Are you the Rainbolt of Hyrule? Add filters like pixelate, scrambled image, partially visible and more to hyruleguessr.com

    Fonso

    1 user

  • NYT Game Timer

    NYT Game Timer

    Automatically time your New York Times games.

    conner

    1 user

  • HoHs Menu

    HoHs Menu

    Adds utilites for House Of Hazards to be used for glitched speedrunning

    Zacgamingpro1234

    1 user

  • Moe Dashboard

    Moe Dashboard

    Replaces the new tab page with the cutest dashboard around

    cdrag45

    1 user

  • DM-Screen.com Iframe Embedder

    DM-Screen.com Iframe Embedder

    Enables tabletop RPG tools (D&D Beyond, Roll20, etc.) to work in dm-screen.com iframes using the browser's Storage Access API.

    Sjieg

    1 user

  • n8nCraft

    n8nCraft

    Generate n8n Workflows Instantly with AI-Driven n8n Scripts

    Abd Rahman Alkaff

    1 user

  • Tic-Tac-Toe Ultimate

    Tic-Tac-Toe Ultimate

    Ultimate Tic-Tac-Toe game with AI opponents, multiple difficulty levels, and persistent leaderboard

    Ave Netvs

    1 user

  • Poople: Daily Word Ladder Game

    Poople: Daily Word Ladder Game

    Play the daily Poople word ladder. Change one letter at a time to reach POOP, then share your score.

    Horushe

    1 user

  • BenchClaw — P2PCLAW Agent Benchmark

    BenchClaw — P2PCLAW Agent Benchmark

    Benchmark any AI agent on the P2PCLAW network. Detects ChatGPT/Claude/Gemini/Copilot chat pages and injects a Connect-to-benchmark panel.

    Francisco Angulo de Lafuente

    1 user

  • MC Stacker - Improvements

    MC Stacker - Improvements

    Visual improvements to the UI of the MC Stacker Command Generator at mcstacker.net

    iNet

    1 user

  • CS2 HLTV Major Enhancer

    CS2 HLTV Major Enhancer

    See your Pick'Ems on HLTV pages

    fl1po

    1 user

  • TMIOSkinPreview

    TMIOSkinPreview

    Adds a Preview button to trackmania.io skin pages

    Trackmania Skin Viewer Extension

    1 user

  • glow L!VE

    glow L!VE

    See what you're watching live on your glow.moe profile, and mark episodes to AniList or MyAnimeList in one click.

    Melocet

  • Qwiki

    Qwiki

    Read wikipedia snippets when browsing the web

    rmi

    1 user