Browser extensions starting with C

CSFloat price to Buff price sends CSFloat item names and paint details to tradelounge.gg for price lookup.

CSR vs SSR Detector has no confirmed data-sharing findings in this scanner.

CSS Pully collects page image URLs, inline SVG markup, and CSS style metadata on every site.

CST - Coursera Subtitle Translation sends Coursera subtitle text to Google Translate when you translate a video.

CSV Editor lets any web page make it open and fetch a page-controlled CSV URL with extension permissions.

CSVifier captures active-tab XHR and fetch responses so they can be exported to CSV.

CU Internet Auto Login saves CU portal credentials locally to automate sign-ins.

Cache Cleaner redirects visits to supported shopping sites through embedded affiliate URLs once per day.

Cacher sends saved page selections and code blocks with their page URLs to api.cacher.io.

Calculator sends the selected image URL to calculatornow.info when its image context-menu action is used.

Calibre Search sends selected page text to a local Calibre native messaging host when you start a search.

Call of Duty Black Ops 6 Live Wallpaper sends shortcut domains to Google's favicon service on the new-tab page.

Call of Duty Ghost Live Wallpaper sends user-added new tab shortcut URLs to Google for favicon images.

CallCloud sends user/event telemetry to Discord webhooks and identifies HubSpot callers in LogRocket.

Canva Automate copies your Genby token into Canva page localStorage where Canva scripts can read it.

Canvas Final Grade Calculator reads your final grade from SJUSD Canvas when its popup opens.

Canvas GPA Calculator reads Canvas course and grade details and stores calculated GPA data in Chrome sync storage.

CanvasCape loads FontAwesome resources from ka-f.fontawesome.com when launched on the active page.

Canvasgotchi sends the user-entered Canvas API token to the configured Canvas site while checking assignments.

CapCut Template opens the publisher site on install and again after monthly background checks.

Captcha Recognizer sends CAPTCHA images from supported sites to ocr.holey.cc for recognition.

CaptchaAI - Captcha Solver sends page URLs and captcha challenge details to CaptchaAI for solving.

CarGurus Dealer scans webpages for VINs and sends detected vehicle identifiers to CarGurus pricing APIs.

Cashback Easy reports active tab origins for store matching and sends overlay telemetry to Google Analytics.

CasperDash lets any site request the wallet public key and connected-site map through its injected page bridge.

Cassidy can send webpage text and selected screenshots to app.cassidyai.com when page messages trigger its bridge.

Catholic Central GPA Calculator injects a remote GitHub Pages module into MySchoolApp pages.

Caucasus Auto Tool sends Copart and IAAI lot identifiers from auction pages to api.apicar.store.

Cede.store lets connected web pages ask the extension to open a tab and inject its helper script.

ChadGuard sends blocked or AI-flagged page URLs and a Discord username to chadguard.pythonanywhere.com.

Chain.fm loads a chain.fm iframe on enabled trading sites and sends the current hostname to Chain.fm.

Chamty.sk checks AliExpress product pages by sending the product URL and affiliate cookie to AliExpress.

Character Shooter loads remote game GIFs on the active tab when you click the extension.

ChartsTab checks visited sites with chat-secreto.es and can redirect tabs with the hostname and full URL in the redirect.

ChassistantGPT sends recognized voice prompts to ChatGPT using the user's ChatGPT session token.

Chat CRM - Carthike sends WhatsApp Web contact phone numbers to Carthike to retrieve CRM order details.

Chat GPT Diagram sends PlantUML code blocks from ChatGPT pages to plantuml.com for diagram rendering.

Chat GPT Side Bar MeaVana sends stored session tokens to PostHog during some expired-session logout flows.

Chat Multi Messenger reads unread-message counts from supported chat and social sites and stores badge totals locally.

Chat Overlay for Youtube, Twitch & more sends selected chat and social post content to api.overlay.ninja.

Chat Translator for WA sends selected or typed WhatsApp text to Google Translate for translation.

ChatArt sends authenticated Google and Bing search results to api.chatartpro.com for AI search summaries.

ChatExtension sends page text to chatgpt-extension.deno.dev when you submit a chat prompt.

ChatGPT - Google, Bing, Baidu, More sends search-page queries to OpenAI or openai.sourcefrom.me for answers.

AI Perfect Assistant sends Gmail draft text and selected page text to perfectassistant.ai when you use its AI actions.

ChatGPT History Exporter sends usage analytics and ChatGPT conversation IDs to guohere analytics endpoints.

ChatGPT Prompts Hub sends selected prompt details, the ChatGPT page URL, and account identity to cf-node-api.aluo.app.

ChatGPT Search Connect sends ChatGPT prompts and assistant answers to Amplitude analytics.

ChatGPT Speed Booster copies extension membership details into ChatGPT page localStorage.

This extension helps Amazon sellers analyze reviews and optimize listings with AI.

ChatGPT for Google Calendar bundles recoverable shared OpenAI and Gemini API keys for fallback AI requests.

ChatGPT for Google for free sends Google search queries to ChatGPT to generate answer cards beside Google results.

ChatGPT for StackOverflow sends StackOverflow question page visits and page metadata to Mixpanel.

ChatGPT for Web Search loads remote jQuery on its sandboxed new-tab search page.

ChatGPT for zhihu sends each Zhihu question title and body to ChatGPT to generate an answer.

ChatGPT to PDF sends subscription-check email addresses to Google Analytics.

ChatGpt Россия fetches remote proxy rules that can route selected browsing destinations through its configured proxy.

ChatSider sends active tab URLs, IP-derived location, and a persistent UUID to an Aliyun logstore.

Chatsilo sends the logged-in Facebook account ID to api.chatsilo.com on Facebook and Messenger pages.

Check and view XML - VNPT_HNI sends XML export requests with a page UUID or fallback token to VNPT RestService.