Browser extensions starting with C

Chegg Expert - Every tool you need(Safest) sends Chegg session cookies to mrvishal.com on install and once a day.

Cherry Blossom Wallpaper New Tab reads Chrome topSites history to display most-visited links on its new-tab page.

Chess Bot sends derived Chess.com board positions to stockfish.online for engine evaluation.

Chess It Up - Chess Game Analyzer opens user-selected Chess.com games on chessitup.com with the PGN in the URL.

Chibi Nezuko Kamado Pink Heart Anime Live Wallpaper sends saved shortcut URLs to Google's favicon service.

Chick Movie Ratings and Suggestions sends Google search movie titles, URLs, and locale metadata to Google Analytics.

China Planet redirects some shopping product pages through affiliate links that include the page URL.

Christmas Tree Wallpaper New Tab sends top-site URLs to Google's favicon service on each new-tab load.

ChromaTube posts its extension runtime ID into YouTube pages when its content script starts.

Chrome Cloudflare Helper inserts a GitHub-hosted badge image on Cloudflare pages, sending image-request metadata to GitHub.

Chrome Profile Lock (Secure) saves open tab URLs and titles locally, closes browser windows, and opens its lock screen.

ChromeOS Diagnostics shares CPU, memory, and storage details with its allowed diagnostics web origins.

Cinnamoroll Aesthetic Live Wallpaper loads Google Fonts resources whenever its new-tab page opens.

Circleboom Remove Twitter/X Followers sends selected follower-removal status and follower IDs to Circleboom.

Clarity notes V2 returns stored access and refresh tokens to its approved web and localhost origins.

ClassInTheBox has no confirmed reviewed data-sharing behavior recorded in this scanner.

Claude Helper loads Google Fonts on claude.ai pages, sending page request context to Google font endpoints.

Clear all tabs lets any webpage trigger its injected widget to ask the extension to close other open tabs.

ClearMind scans page text and URL signals locally to detect and redirect adult-content pages.

Cliarly sends selected, edited, or user-requested clipboard text to Cliarly cloud endpoints for correction, rewriting, and audio.

Click counter online can count clicks on all visited sites and stores timestamped counts locally.

Click dictionary sends text you double-click on webpages to en.bab.la over cleartext HTTP for dictionary lookup.

Click switch socks5 records page resource hostnames and saves proxy-routing domain relationships locally.

Click to Copy injects a copy toolbar into every website and places extension asset URLs in the page DOM.

ClickApporter sends Amazon cart, product-view history, search terms, and saved-item ASINs to clickapporter.com during checkout.

Clienty Wap Importer sends selected WhatsApp contact names and phone numbers to the user's Clienty site.

ClipHutch monitors media requests and stores request headers used to fetch detected videos and images.

Clipboard History stores copied text from every HTTP and HTTPS page in Chrome sync storage.

Types clipboard text into focused fields with configurable, human-like keystroke timing.

Clippit AI sends selected text or Gmail message context to clippit.ai when generating AI replies.

CloudDrive助手 disables page interaction and plays remote audio for Russian-language users on RU/SU/BY domains.

CloudVPN routes all browser traffic through an unencrypted HTTP proxy when its VPN toggle is on.

Clueify captures user-triggered page screenshots and sends them to the Clueify prediction API.

CoDeal sends supported shopping-page URLs, prices, product details, and interaction metrics to CoDeal APIs.

CoTik captures Shopee and Rebuy request headers and writes them into page localStorage.

CodePal sends selected page text from any website to its CodePal iframe.

CodeSnap - Share Code Snippets sends encoded snippet state to BytePerks when you create a share link.

Codeforces Custom Contests accepts cross-origin messages that create Codeforces gym contests from supplied problem and invite data.

CofilmAI Chrome Extension sends the current YouTube video URL and caption-track URL to Cofilm's summary API.

Pick colors from webpages, extract page palettes, and create customizable gradients.

Color Picker Chrome Extension sends completed tab URLs and referrers to colors.color-ninja.com with a persistent user ID.

Color Picker Dropper loads a remote placeholder image when its popup opens.

Color Pocket loads Google Tag Manager in its popup and sends pageview events while you use the extension.

Combine PDF - Merge PDF sends PDF workflow telemetry and a stable browser-derived device ID to Amplitude.

Comic++ sends comic and novel page details from supported sites to api.didaolan.cn.

CommaFeed can let CommaFeed lookalike pages open arbitrary background tabs through its message bridge.

Comment Generator for IG sends an email-derived identifier and quota details to RestDB during error and quota events.

Comment-AI sends selected LinkedIn, Instagram, or Twitter post text to OpenAI to generate comment suggestions.

Common Room reads its cr-token cookie and sends it as a bearer token to the Common Room GraphQL API.

ConferenceManager Chrome Extension lets matching ConferenceManager pages relay messages to its native app.

Connect reads your LinkedIn session cookies and scrapes contact details from LinkedIn and Salesforce, sending them to api.datananas.com.

ConsumerFi App reads ConsumerFi login cookies and sends reward text submissions with the active tab URL to its API.

Contact Saver for WhatsApp subscribes users to a hardcoded WhatsApp newsletter and sends a preset marketing chat.

Contai Extractor sends each visited page URL to contai.io after an API key is saved.

Conventional Comments sends GitHub and GitLab pull request identity details to Pullpo by default.

Converts web images to other file formats from the browser context menu.

Cookie Clicker 2 Unblocked loads a remote Font Awesome stylesheet when its popup opens.

Cookie Clicker Mod Manager v2 lets approved Cookie Clicker sites save mod URLs that are later injected into the game tab.

Coopy stores selected text from any page in extension storage when you press Ctrl+C.

Copalat sends Upwork proposal page details to its backend when you generate a bid.