Browser extensions starting with S

TradingView Strategy Optimizer lets approved RoboQuant and localhost pages drive TradingView and read strategy/backtest data.

Adds multiple selectable map backgrounds to Strava’s route editor.

This extension customizes new tabs with Stray Kids visuals and browsing shortcuts.

Stream Live sends VKVideo localStorage auth data to its backend during the sign-in flow.

Adds customizable Trello board features such as colored tags, list controls, view modes, and scrum helpers.

Generates stylized text that users can copy and paste into other sites or profiles.

Adds feed filters and keyword search to YouTube subscription and library pages.

Play a Subway Surfer-style endless runner game in Chrome.

This extension provides Sudoku puzzles in the browser and links to a game site from its full link.

This extension lets you play Sudoku puzzles in Chrome without an internet connection.

Sugar Connect accepts Gmail login tokens from web origins that only contain Sugar Connect domain strings.

Suggesty sends each Google search query with a persistent user ID to suggesty-app.herokuapp.com for answer generation.

Summarizes the current web page in a popup when you click its toolbar button.

Generates a clickable table of contents for articles and blog posts in the browser.

This extension generates timeline-based summaries for Bilibili videos.

Sets a chosen address as the browser’s new tab page.

Provides daily Sunnah practices, adhkar, duas, reminders, stories, and devotion tracking in an Arabic interface.

Adds download buttons on Suno.com so users can save songs as MP3 files.

Applies dark mode and visual filters to make websites easier to view.

Hard reloads the current page and empties cache with one click.

Super Sports Car HD Wallpaper New Tab sends shortcut URLs to Google's favicon service when its new-tab page renders.

Superbuy Shopping Assistant sends selected Taobao and Tmall item, cart, and order details to Superbuy.

Supercharge for Bolt.new embeds API keys and sends scrape and search requests to Firecrawl and 21st.dev.

Adds usage tracking, message queuing, prompt tools, folders, and exports to the Claude interface.

Support with Mellowtel joins a Mellowtel WebSocket worker that can upload page URLs and HTML from all sites.

This extension blocks administrator-defined websites and redirects matching visits to a local warning page.

Surfer Search makes oasrchrdr.com the default search provider and sends omnibox searches there.

Sustained Choice × SALIENT sends Tesco product, basket, and checkout details to Sustained's GraphQL backend.

SwapMyFace AI opens clicked image URLs on swapmyface.app when you use its image context-menu action.

Swiggy & Zomato Spending Tracker & Calculator fetches your food-order history and stores parsed order details locally.

Compare search results across multiple search engines and add custom search options.

This extension routes browser traffic through Symantec Cloud Proxy and provides access to corporate ZTNA apps.

Translates text into up to 10 languages at once using Google Translate.

Syncs scrolling across selected open tabs so pages move together at matching relative positions.

Synonyms.com sends selected or focused page text to www.abbreviations.com when checking synonyms.

Shows CPU or memory usage on the browser extension icon.

System Scanner - Check Your Computer Specs inserts hardware and storage details into system-scanner.net pages.

scale.jobs sends active job-page URLs and extracted job details from its side panel to api.scale.jobs.

screenshot-to-pdf injects a Cloudinary image into the active page after each screenshot capture.

This extension opens a side-by-side translation view for the current web page.

This extension lets users go back to the previous page with a two-finger left swipe on a trackpad.

syncmarx uploads encrypted bookmark sync archives to the cloud using a bundled decryption key.

Enhances the Roberts Space Industries hangar page with pledge details, upgrade-aware titles, thumbnails, and filtering.

Save4k sends the active tab or YouTube video URL to youtube01.com when you click its download controls.

Exports selected bookmarks to an HTML file with filtering and structure options.

This extension replaces the new tab page with Yahoo-powered search and shortcut links.

Steamlvlup Card Factory sends Steam account and card-farming session data to Steamlvlup servers.

Shows the current website server’s country flag and related domain and location tools.

Smart Image Downloader injects a page script on every site that can decrypt and run code supplied through page meta tags.

Replaces the home and new tab pages with a customizable speed dial for favorite websites.

SEO Analysis & Website Review by WooRank sends the active tab's hostname and full URL to www.woorank.com when its popup opens.

Shodan.io (DEPRECATED) sends each visited website hostname to Shodan lookup APIs.

Syrup sends each visited site's hostname to a GitHub-hosted coupon endpoint after page load.

Sticky Notes embeds an OAuth client secret and sends it to its token endpoint during login.

Automatically mutes Spotify tabs when an audio ad is detected and unmutes them afterward.

Surfingkeys lets any web page send editor commands through its native Neovim bridge.

Superpower ChatGPT syncs ChatGPT conversation history and full conversation records to api.spchatgpt.com by default.

Analyzes webpages and Google search results for on-page SEO, links, hreflang, structured data, and SERP details.

Checks web pages in Firefox for accessibility issues and provides recommendations based on ACT rules.

Speed Dial stores screenshots, URLs, and titles for pages you add to its local speed-dial list.