Browser extensions starting with S

Stray Kids HD Wallpaper New Tab replaces new tabs and includes code to fetch video backgrounds from mlionltd.github.io.

Streaming Skipper works with Paramount Plus sends Paramount profile, watch, subscription, and account details to its servers.

Subtitle Downloader lets page scripts on streaming sites ask the extension to fetch allowed cross-origin URLs.

SugarQC rewrites invite and referral codes on supported shopping-agent sites and queries QC photos for CNFans products.

Suno Manager captures Suno authentication tokens from Suno pages and stores them in browser sync storage.

Super Cars HD wallpaper video backgrounds embeds API credentials and sends consented analytics events to Google Analytics.

Supersana.io for Asana sends your Asana account name, email, and the machine's public IP to its own backend on every app.asana.com visit.

Sur.ly Surfguard sends domains from page links and active tabs to Sur.ly for safety lookups.

smry sends the current page's HTML, title, and URL to api.smry.ai when you ask it to summarize a page.

Scholar Badge for Zotero sends Google Scholar result titles to a local Zotero server and writes collection names onto the page.

SEI++ exposes its extension runtime URL inside SEI page DOM nodes on matching .br sites.

SaveMate - Video Downloader records media links, page details, thumbnails, and request headers from visited sites locally.

YouTube Shorts Blocker loads Google Fonts from its popup, sending request metadata to Google.

Stock Tab lets tradeecon.com remotely change where new-tab search terms are sent.

SVG Gobbler sends selected SVG markup to its Cloud Function when users preview SVGR conversion.

Steam Booster lets Steam pages read extension storage, including the saved Steam API key.

Scite reads publication identifiers and reference metadata from visited pages and sends them to api.scite.ai.

Speaker Booster injects an extension script into every page and frame you visit.

SVG Export reads SVG markup and the current tab's title and URL when you click its toolbar button.

saat netizen reports tab and window lifecycle events to a local AhnLab service.

Savefrom YouTube Downloader sends the current YouTube video URL to loader.to when a user chooses a download format.

SAS EuroBonus Finder fetches LoyaltyKey shop and partner catalogs from its servers on pages across the web.

SEO Pilot reads page metadata, links, headings, and contact details from the active tab.

SLyrics sends Genius search terms with a bundled API token through files.xianqiao.wang.

SOC Multi-tool sends user-selected text to configured third-party lookup sites from its context menu.

SYMBL sends popup search queries and copied symbols to Google Analytics with a stored client ID.

Safe Search makes SearchingSafely.com the browser's default search provider.

Safeshop sends your public IP address to ip-api.com over HTTP for geolocation.

SaleFlow captures Wildberries seller details and sends remotely requested search results to SaleFlow servers.

Satoru Gojo Live Wallpaper sends user-added shortcut URLs to Google's favicon service on its new tab page.

Save To Spreeder sends imported article text or selected page text to service.typesy.com when the user clicks its import buttons.

Save Website as PDF sends Google Analytics events when users generate PDFs and interact with the popup.

Save as MHTML (MIME HTML) saves the active tab as a local MHTML download when the user invokes it.

Scope360 for Jira sends Jira feature analytics with the Jira host and a hashed account email to Google Analytics.

Score App sends product-page details and image URLs from shopping pages to getscore.app for price comparison.

Search Online stores persistent onlinesearchtool.org cookies with an install ID and encoded browser user agent.

Security-Header-Extension sends the active tab URL and security response headers to 129.82.174.202.

Seller Analytics by Lexos reads MercadoLivre product-page state and sends it to Lexos API requests.

SherpaDesk loads its mobile login over HTTP and stores returned account token values in local browser storage.

Shopify Spy Toolkit stores Shopify storefront metadata, page signals, app matches, and contact details in local browser storage.

Shopify Theme Detector by Meetanshi sends the active tab's site origin to Meetanshi when you open the popup.

Short.io Link Manager sends active-tab screenshots and URLs to Short.io when you use its popup or context-menu tools.

Show password reveals password fields on the active page after the user clicks its popup button.

Sign JPRPS lets approved Montenegrin tax portal pages send base64 documents to the local native signing app.

Signspaces lets any website send messages that change extension state and list settings.

Similar Inc | Shopping Comparison Co-Pilot sends a persistent user ID and non-product page URLs to Similar Inc.

Simple Posher sends the Chrome profile email to its backend during popup license checks.

Simple Screen Capture captures full-page screenshots from HTTP and HTTPS pages when the user starts it.

Simple Units Converter (Lite) sends a user-entered URL to corsproxy.io when converting web content.

Smart TV Emulator lets embedding pages send synthetic key events into cross-origin frames.

Snap Screen Recorder sends an hourly Google Analytics heartbeat with a persistent extension client ID.

Snipe Sensei sends your EA club account label with its license key and injects a bot into your active EA session.

Snowplow Debugger sends DevTools telemetry about inspected site hostnames and tracker identifiers to sp.snowcatcloud.com.

SocialPilot runs content scripts on all websites to help users share and schedule page content.

Software Downloader for Windows & Linux sends popup search terms to OnWorks.

Sort Posts sends selected Instagram profile and media thumbnail URLs to any.invertexto.com for proxy rendering.

SoundMagic has no confirmed scanner findings recorded in the database.

Speech to Text Converter sends the current site hostname to Amplitude when the on-page recorder is toggled.

This extension checks browser extensions for security, privacy, compliance, and permission-related risks.

Sporran injects its KILT wallet provider into every website and shares identities only after approval.