Browser extensions starting with S

Social Friend Finder sends user-selected page text to sffaddon.com when users open its search tooltip or context-menu search.

Social Meter sends the active tab URL to social-count APIs to display public interaction totals.

Social Toolkit stores the user's login password in extension localStorage before login succeeds.

SocialBook - YouTube Builder lets embedding pages request a canvas capture of the current YouTube video frame.

Socialsonic AI reads LinkedIn session cookies and sends LinkedIn post and profile analytics to api.socialsonic.com.

Socket Security sends package identifiers it finds in page links and code blocks to api.socket.dev.

Solana Rug Checker registers a browser device fingerprint with wiksi.org and sends token-search fingerprints from its popup.

Solo Leveling Live Wallpaper sends saved shortcut URLs to Google's favicon service when rendering its new-tab page.

Song Finder records tab audio for song identification and sends it to song-finder-extension.vercel.app.

SongFinder records the active tab's audio when you start recognition and sends it to songfinder.gg.

Sora Video Downloader loads a cdnjs Font Awesome stylesheet on OpenAI and Sora pages.

Sorank SEO & GEO Audit sends analyzed website hostnames to its Supabase backend with a persistent install ID.

Sorare Craft Helper packages Sorare craft data into a helper-site URL after a popup click.

Sorare NBA Jet sends remote-config-selected active-tab URLs to www.sorarenbajet.com for analysis.

SortBuddy replays Instagram GraphQL requests with original page headers to retrieve post metrics for local sorting.

Sound Up - Volume Booster 2023 requests a Google Fonts stylesheet when its popup opens.

SoundCloud Dark loads fixed Imgur images into SoundCloud pages through its injected stylesheet.

Soundcharts sends supported music and social page URLs to proxy.api.soundcharts.com for lookup results.

Source Code Viewer stores the active tab's DOM and page source in extension-local storage when you open it.

Space Nation: Orion sends X profile identifiers and matched quest actions to Space Nation servers.

Space Spiders sends displayed bookmark URLs to Google and submits searches to search.spacespiders.net with stored identifiers.

Space Tab sends IP-derived location coordinates to its weather API when the new-tab page loads.

Spanish Spell Check sends text you enter in its popup to a Yandex Cloud spell-check API.

Spark Hire Recruit Sourcing for Chrome sends LinkedIn profile URLs to a Comeet iframe on profile pages.

Sparkly exposes tab, history, and Workspace search metadata to pages while its search overlay is open.

Sparx Solver sends Sparx question text and screenshots to the user's selected AI provider.

SpeechToText injects a hidden coindropster.com iframe on many popular websites.

Speed Download captures Instagram API responses to extract media and user metadata for its download controls.

Speed Whats Sender sends WhatsApp login passwords in API URLs and stores credentials in web.whatsapp.com localStorage.

SpeedMaster Pro lets any page message its frame script to modify timing APIs inside embedded cross-origin frames.

SpigotSearchEngine sends resource search text with a persistent user ID and Spigot profile ID to fof1092.de.

Split Screen in Tab - TradingView sends split-screen page URLs to Google Analytics and records extension-tab DOM activity with Clarity.

Split midjourney Images sends selected cross-origin image URLs to diablo4.kandouyin.com when splitting images.

SplitPilot removes Content-Security-Policy and frame-blocking headers from all HTTP(S) responses.

Spoke initializes PostHog on Meet and Spoke pages and can upload page telemetry and session snapshots to CloudFront.

SponsorBlock for Odysee sends extracted video IDs from Odysee pages to SponsorBlock to fetch skip segments.

Sport background pictures new tab sends new-tab search queries to rotating third-party feed domains.

Spotify Side Lyrics reads Spotify's lyrics page and mirrors the current lyric line in its side panel.

Spotify player stores your Spotify access token and uses it to read playback state and private playlists.

Spotify to Apple Music Playlist Converter stores an Apple Music user token in Spotify localStorage for about six months.

Spotube exposes its OAuth callback so websites can close the active tab and replace the stored Spotify token.

Sprunki Incredibox loads its game from a remote iframe hosted by ext.iframegame.com.

Spy Rivals X sends Amazon product IDs and listing form details to api.internetmasterycommunity.com.

Sqoo search engine sets sharesceral.uno as the default search provider and sends search terms there.

Squarestylist Selector Helper lets HTTPS pages trigger extension clipboard writes through an unchecked message handler.

Squid Game Cursor injects CSS cursor URLs containing its extension ID into pages after a cursor is enabled.

Stamp Wallet logs wallet recovery phrase material to the extension console during seed reveal.

Start Page - Date and Time sends weather lookup requests to OpenWeather from its weather widget.

Stash lets webpages trigger configured shortcuts that bookmark and close tabs.

StatsCrop reports visited page URLs, referrers, transition details, and clicked links to StatsCrop after opt-in.

Stay Focused sends configured website domains to Google's favicon service when showing site icons.

StealthHound lets webpages trigger spoofed fingerprint alerts through its page event bridge.

Steam Web Integration shows your Steam game-status data in web pages that contain matching Steam links.

Steam tags for Humble Bundle sends Steam library, wishlist, ignored, and recommended app IDs to its developer API.

Stephen Curry Wallpaper sends most-visited site URLs from its new-tab page to Google's favicon endpoint.

Stickity uploads edited animated sticker GIFs to Firebase Storage when you copy a GIF link.

Sticky Notes stores editable note HTML from pages and can replay a global note across every site.

Stitch and Angel Picnic Live Wallpaper sends user-added shortcut URLs to Google's favicon service.

Stock Alerts sends muted stock or crypto symbols to Amplitude with a persistent extension user ID.

Shows candlestick charts when you hover over stock or crypto tickers on Twitter.