Browser extensions starting with S

SuperStart New Tab Page sends user-initiated Cloud Sync page and settings data to its vendor API.

Superpowers for LinkedIn reads LinkedIn page and API data to run user-selected mass connection and profile workflows.

shikicinema exposes hardcoded Kodik, Shikimori, and Smarthard API credentials in a web-accessible bundle.

This extension displays Swagger/OpenAPI files from GitHub in a viewer format.

SimilarWeb - Website Traffic Sources and Ranking posts visited URLs and referrers to SimilarWeb when site rank is enabled.

Imports Star Citizen hangar, buyback, and store data for use with CCU Game.

Social Fixer periodically retrieves Facebook friend-list metadata and saves it in extension storage.

Sets Swisscows as the default Firefox search engine for private web search.

Spoof Geolocation exposes stored spoofed location settings to any website and accepts unchecked location updates on its setup page.

Scholarscope sends PubMed search and article details plus saved notes, tags, and highlights to Scholarscope servers.

View and manage Google Calendar-compatible events from a browser toolbar calendar.

This extension scans websites for SEO, performance, and security issues.

This extension analyzes webpages for SEO factors and returns a score out of 100.

SEO-tools sends the active tab URL and domain to SEO, QR, WHOIS, and IP lookup services when its popup opens.

This extension extracts Google autosuggest keywords for SEO work.

SUSCHEGG Unlocker sends the supported-page URL to suschegg.com when you click its injected Unlock Solution button.

Select and download SVG files from web pages with a click-and-drag action.

Sakuga Extended runs JavaScript embedded in Sakugabooru comment script tags when post pages load.

Navigate Salesforce pages, records, setup areas, tasks, and user login actions from a quick command bar.

Save ChatGPT to Notion sends failed Notion-save payloads and user identifiers to chatgpt2notion telemetry.

Convert and download web images as JPG, PNG, WEBP, or PDF from the right-click menu.

This extension adds a movable screen mask to help focus on one passage while reading web pages.

Highlights selected keywords on web pages to help with code inspection and document analysis.

Bulk downloads product images and videos from supported shopping sites as ZIP files.

Shows product analytics on Wildberries and Ozon marketplace pages.

Send Mass Mail + HTML inserter for Gmail sends visible page text to gpt.ga when its AI assistant generates answers.

Sendblue Call lets any webpage open attacker-chosen tabs through its injected event bridge.

This extension downloads images from the Shein website.

Download Shopee product images and videos from product pages with a few clicks.

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

Shot Crop loads replacement favicons from placehold.co when users change a site's tab color.

ShotApp lets any site trigger active-tab screenshot capture and stores the page URL and image locally.

This extension adds a right-click option to show or hide text in password fields.

SideAll modifies DeepSeek response headers so DeepSeek pages can be framed with fewer browser protections.

This extension sends one message across multiple AI chat platforms and shows replies for comparison.

Simple Macro Recorder and Auto Clicker stores recorded clicks, selectors, form values, and pasted text locally.

Takes a screenshot with a single click from the browser toolbar.

This extension helps users create, collaborate on, and publish marketing content from one place.

Finds and opens XML sitemap files for the website you are viewing.

Automatically clicks YouTube’s “Skip Ads” button when it appears in videos.

Play a browser-based Slope 2 Players racing game from the Chrome extensions menu.

This extension replaces the Chrome new tab with Smilebox shortcuts and Yahoo-powered search.

Snow Rider 3D loads its Unity game configuration and framework from jsDelivr inside a sandboxed popup.

Downloads playable Sora videos from the list page with a one-click download icon.

Boosts browser tab volume with bass controls, fullscreen support, and per-site muting.

Special Characters records extension UI sessions and sends replay events to tglens.tabgraf.com.

Exports public Weibo posts, images, and emoji into PDF backups.

This extension tests your internet connection speed, including upload, download, latency, and stability.

This extension offers selectable browser tweaks intended to improve browsing speed.

Spell Check sends selected or entered text to ethereal-expanse.com for AI correction.

This extension resizes Chrome windows into split-screen layouts for multitasking.

Adds keyboard shortcuts for controlling Spotify Web Player in Chrome.

Stape GTM Helper sends the page URL you choose to scan to Stape's scan API after captcha completion.

Estimates Steam app revenue using the Boxleiter method.

Steamify - Faceit stats checker sends a bundled FACEIT API bearer token with its FACEIT profile and match lookups.

Stranger Things sends your precise location to weather and geocoding APIs after you allow browser location access.

This extension replaces the default cursor with Stray Kids-themed cursor designs.

This extension lets users play Subway Surfers in Chrome, including offline and popup versions.

Suno AI Music Generator sends its login passport token to Alibaba ARMS telemetry during sign-in.

Searches and highlights matches on a webpage with result listing and regular expression support.