Browser extensions starting with S

Stock Performer Extension lets Stock Performer pages make credentialed requests to caller-provided URLs.

Stocksi Ultimate sends scoped error telemetry with page URLs and device/network details to websocket.priority.news.

This extension limits infinite scrolling on YouTube Shorts.

This extension provides an in-tab stopwatch with persistent time tracking.

Adds a clickable stopwatch inside Google Sheets.

Creates browser-based stopwatches, timers, and alarms from a toolbar button, new tab, or standalone view.

StorySaver sends clicked Instagram post, story, reel, audio, or profile URLs to storysaver.to.

StoryVerse Stories Hub for FB and IG reads Facebook and Instagram cookies and request tokens to load stories.

Adds a Stranger Things-themed live wallpaper with time, shortcuts, and custom cursor styling.

Automatically or manually gives kudos to recent activities in your Strava feed.

Strava GPX downloader fetches Strava activity metadata and fitness streams when the user clicks its GPX button.

Strava Heatmap attaches your Strava cookies to global heatmap tile requests and makes the responses readable by other sites.

Adds Strava website tweaks for giving kudos, reducing clutter, and improving navigation.

Straw Hat Live Wallpaper sends each saved shortcut URL to Google's favicon service when opening a new tab.

StreamFab Video Downloader sends cookies from the active non-YouTube site to its native companion app.

Play IPTV playlists and local video files directly in Chrome.

StreamPod exposes Twitter OAuth callback pages that exchange supplied codes and send Twitter tokens to StreamHQ services.

StreamSpeed can disable Russian-language pages and play looping remote audio after its toolbar button is clicked.

StreamSync sends Twitch VOD identifiers from Twitch playback pages to streamsync.fr to fetch music timelines.

Streamer tools for Gartic Phone sends player names and host details to an AWS API when its Custom OC Game button is used.

Streamfinity Buddy sends YouTube playback URLs and timestamps to Streamfinity while a logged-in user has a live stream.

Automatically pauses supported streaming services after a set number of minutes in the current browser window.

Detects Streamtape video links on webpages and provides playback and download options.

Turns the new tab page into an animated street traffic live wallpaper with built-in productivity shortcuts.

StreetPass for Mastodon records rel=me profile links and page URLs for Mastodon matching.

This extension sends periodic stretch reminders during the workday.

Generates random passwords and memorable passphrases directly in the browser.

Hides selected YouTube distractions to support a more focused viewing experience.

StudyPal AI sends submitted questions to OpenAI using a bearer API key bundled in the popup.

StudyX uploads user-selected page screenshots and source URLs to StudyX servers for homework answers.

Provides a multiplayer obstacle-course game with dashing, jumping, power-ups, and character customization.

This extension provides access to an unblocked Stumble Guys-style multiplayer obstacle game.

This extension provides access to a Stumble Guys Unblocked game experience in the browser.

Downloads Substack videos, audio posts, and podcasts as MP4 or MP3 files for offline use.

Substly Extension sends matched page-view URLs and user/account identifiers to app.substly.com.

Subtitle Masker injects an on-page overlay whose element IDs include the extension runtime ID.

Translates and customizes YouTube subtitles directly in the video player.

Success.ai - Email Finder sends the active site's domain or LinkedIn page URL to Success.ai lead-search APIs.

SuitePrint sends SuiteFiles usernames and passwords in the login request URL.

SummarizeYT sends YouTube transcripts, video titles, and a persistent IP-based browser identifier to its summary API.

This extension replaces the new tab with an animated Sung Jinwoo wallpaper and built-in productivity widgets.

Adds a download button for songs played on Suno.

Suno Explorer submits aggregate Suno library metrics to a Supabase endpoint after indexing and on a daily alarm.

Adds configurable FACEIT match room statistics for maps, teams, and players.

Turns the new tab page into a desktop-style bookmark manager.

Injects external CSS stylesheets into web pages by URL.

Adds faster file search and deadline countdowns to Canvas LMS course dashboards.

Super Cloner can replay source funnel metadata from any HTTP(S) page into GoHighLevel clone APIs.

Super Focus Tabs captures active-tab screenshots on all URLs and stores them locally for tab previews.

Super GSC sends signed-in email addresses and Search Console keyword queries to api.supergsc.com.

Adds custom prompt tools, speech-to-text, language options, and presets to the Grok chat interface.

Super Kulasis sends Kyoto University course and professor names from KULASIS pages to tatekan.copynight.net.

This extension adds a free mouse-controlled 3D Super Mario-style adventure game to the browser.

This extension lets users play a classic Super Mario-style platform game in the browser.

Super PDF Split Merge lets any embedding website trigger downloads through its web-accessible option page.

Play an offline ping-pong and soccer-style arcade game in the browser.

Lets the Super Productivity web app access Jira issues and handle idle-state time tracking.

Sorts and groups open Chrome tabs using URL, title, custom order, and tab-group-aware rules.

Extracts emails, phone numbers, images, links, product details, and other page data from websites.

SuperDrag turns page drag gestures into browser tab opens for links, images, and selected text.