All extensions

Give YouTube a slowed + reverb sound with simple, adjustable controls.

SmoothVid

Smoother video: SmoothVid adds frames in real time on your graphics card, up to your screen refresh rate.

Snake Game

Classic snake game — eat food, grow longer, don't hit yourself!

Snake Game with Multiple Modes

Play the classic Snake game in a new tab!

SnarkyBurn

Displays a daily humorous burn message to start your day with a laugh

Snek 2 - A snake game

Play Snake from the toolbar. Themes, skins (now with Chromy), trophies, and high scores saved on this device.

SNL Roulette

Play a random SNL sketch from your selected decade!

Solitaire Collection Online

Instant access to 26 solitaire games with rules cheat sheets, layouts, and strategies.

Spoiler Alert

Scroll your favorite sites without spoiler anxiety. Progress-aware protection on Reddit, X, Instagram, and more.

Spotify Hover Play

Press Alt+S, hover artist names, preview tracks, follow artists & like songs on Spotify.

StageSeat

Use seat position to reshape live-like listening on the current tab.

Staircase Radio Companion

Lets the Staircase Radio studio console control music playing in your browser tabs (play/pause/next) and see what's playing.

Starweaver Mod Manager

Install and manage Starweaver-compatible .user.js mods locally.

Statbug

Overlay live NBA player stats on the web page you choose.

Statsdle

Track daily browser games in one place — results, stats, streaks, and an optional account.

Steam Achievement Roadmap Tracker

Track and filter your Steam achievements on PSNProfiles roadmap guides to 100% platinum your games easily.

Steam - Game Discover Co Link

Adds a 'View on Game Discover Co' link to Steam product pages

Steam Game Pass Indicator

Steamストア上でPC Game Pass対象作品を表示します

SteamStats

Adds additional information to Steam pages.

Streamer Blocker

Hide streams and channels you don't want to see on Twitch and Kick: directory and home page cards, sidebar, carousel, chat.

StreamPro: Speed Control works with RTL+

Independent software, not affiliated with RTL+. Control video playback speed and watch at your own pace.

StreamPro: Volume Booster works with Curiosity Stream

Independent software not affiliated with Curiosity Stream. Enjoy every video loud and clear!

Stream Stack

Cross platform watchlist :D

StreamySync Connect

Sync your saved lists and watch history between your streaming services and StreamySync, in both directions.