Browser extensions starting with S

SellerDash sends encrypted Daraz/Lazada keyword recommendation data to backend.sellerdash.pk.

Sellmonitor sends Wildberries and Ozon product, search, and category identifiers to sellmonitor.com.

Sentence Correction sends selected page text and form input to ethereal-expanse.com when you use its correction assistant.

Ship Xanh accepts localhost messages that can replace its stored account token.

Shopify Theme Detector sends the active tab URL to shopthemedetector.com over HTTP when its popup opens.

Shopify Theme File Search by EZFY stores a browser fingerprint in Supabase credit records.

SignUp sends streaming page URLs and titles with a persistent analytics ID to its backend and Google Analytics.

SimilarTube reads the public contact email off YouTube channel About pages and sends it, plus your account name, to its own servers.

Sixpence captures every page's network traffic and, on server command, silently scrapes hidden tabs and LinkedIn data to its own backend.

SmartBear Test Extension bridges the browser to a local TestComplete application via native messaging and the Chrome debugger API.

SmartSpending sends bundled OAuth client credentials to Reward Gateway when exchanging browser sign-in codes for tokens.

Smartschool++ ships plaintext third-party API keys and fetches server-supplied URLs without validation.

SnipCSS sends saved page snippets, including the source URL and selected HTML/CSS, to its backend.

Finds and analyzes social media influencers for marketing campaigns from supported platforms.

Sortd - Save to Wishlist sends saved-page product details, images, screenshots, and notes to its Sortd API.

Spelunky Classic sends a persistent extension-local client ID to Google Analytics when it runs and every hour afterward.

Split PDF uploads the opened PDF file to falcon.zonepdf.com when you click its injected Split button.

SpoilerProtection sends settings backups and backup passwords over plaintext HTTP.

Spoken sends shopping page URLs and related product image or page data to Spoken and PostHog services.

Sprint Reader saves highlighted page text locally when you select text and open the speed reader.

SpyHunter Web Security forwards navigated URLs to its backend and transmits hardware IDs and browsing statistics to Google Analytics.

Squadrats Route Planning copies its persistent UID into localStorage on supported route-planning sites.

Staffbase Email captures outgoing Gmail subject, recipients, and links on send and posts them to its Bananatag tracking backend.

Sticky Note Board Extension redirects new-tab search queries to search.notesticky-extension.com with an affiliate tracking ID.

Stop Reclame downloads remote rule lists that control which browser requests are blocked or allowed.

Super Sound Booster sends a persistent per-installation UUID to Google Analytics every 60 minutes.

This extension detects and blocks web-based threats while you browse.

shortfuts sends EA Ultimate Team search result player IDs, prices, and timers to FUT Alert when search automation runs.

simpleGestures lets web pages mimic mouse gestures that trigger tab actions through the extension.

stopRU sends visited YouTube page URLs and detected video/channel details to Mixpanel analytics.

svg-grabber reads SVG markup and the source page title and URL after you click its toolbar button.

Sink It for Reddit routes video downloads through installation04.gosinkit.com, sending Reddit post IDs to that third-party server.

SellerSprite collects Amazon product listings, seller details, keyword rankings, and review data from users' sessions and transmits them to its own servers.

Season Pass Pass intercepts Bungie API keys from network headers and redirects Settings API calls to a third-party Cloudflare Worker.

Synology Image Assistant Extension accepts postMessage commands from any webpage, enabling relay to the local Synology desktop client.

Cashback Assistent von Shoop.de injects a version meta tag into every page and sends analytics to Google via a hardcoded API secret.

SoundCloud Downloader intercepts SoundCloud API credentials from the browser to authenticate its own track-download requests.

SeoQuake SEO extension sends the domain and URL of every page visited to Semrush-owned API servers on all websites.

Speed Dial fetches a remote affiliate code on install, appends it to Yahoo searches, and screenshots bookmarked pages in hidden windows.

Substital embeds the GiveFreely affiliate SDK and sends device and user IDs to GiveFreely when its popup opens on merchant sites.

Skip Redirect intercepts navigation requests to extract and follow embedded destination URLs, bypassing intermediary redirect pages.

Sticky Password intercepts WebAuthn API calls and disables the browser's built-in password manager, routing credentials via its native app.

ChatGPT for Google by cloudHQ sends Gmail account identifiers and page context to cloudHQ account-check endpoints.

Essential SEO Toolkit opens the active tab URL in user-selected third-party SEO tools.

IG Sorter collects Instagram post and profile metadata for sorting and local spreadsheet export.

Ranorex Selocity sends selected element details and screenshots to a local Ranorex Webtestit app over WebSocket.

Displays recent SAML SSO and SLO messages in readable XML for debugging.

SBC Monkey sends EA FC Web App roster and SBC details to its solver after you click Use Monkey.

SCDownloader opens clicked SoundCloud track and playlist URLs on soundclouddownloader.io for downloads.

SEO Checker Tool opens an SEO audit page that includes the current tab URL encoded in the path.

Checks and copies SEO meta information, headings, and structured data from the current page.

SET-RN Security Module relays caller-supplied URLs to a locally installed native host app without URL validation.

SOOP(아프리카TV) 채팅매니저 loads remote setup markup from mngr.flabs.kr into scoped SOOP and AfreecaTV pages.

SPM File Edit relays postMessage commands from any page to a local native messaging host with no origin validation.

STUDY4 lets webpages trigger extension-privileged dictionary lookups to its configured dictionary providers.

SYF Apty Client loads Apty JavaScript into SYF Coupa pages and sends page activity to Apty when analytics are enabled.