Browser extensions starting with C

Cookie Clicker Mod Manager injects user-configured remote mod scripts into Cookie Clicker pages.

Parses competitive programming problems and contests and sends the parsed data to compatible tools.

CopyTabTitleUrl reads the active tab's document.cookie when its scripting copy option is enabled.

C8KE captures selected page image details and checks its S3 store-domain config for the page domain.

CATS Extension's bug-report feature can send the full HTML of the active recruiting page to a third-party upload endpoint.

CB Insights: Browser Analyst sends the active page hostname to CB Insights for organization lookup.

CF College Standings reads Codeforces profile and standings data to update organization lists and cache country ranks.

This extension lets Qingdao Bank business systems use X509 certificates from a USBKEY in Chrome.

CMG Hacks sets a Coolmathgames premium-play cookie and modifies Coolmathgames game pages to skip ad UI.

CONTADU NeuronWriter sends Google Docs, WordPress, and Shopify editor content into its CONTADU optimization iframe.

CR Dual Subtitles sends Crunchyroll tab details and subtitle translation text to Amplitude during translation.

CS2 Profile Stats sends viewed Steam profile IDs to CS2 statistics services to show player stats.

CallHippo-Virtual Phone System lets any webpage open its dialer popup for a chosen phone number.

Canopy GUI Enhancer sends hovered MAC addresses from Cambium admin pages to maclookup.info as executable JSONP.

Canva Premium Remover stores persistent hashed Canva account identifiers in browser sync storage.

Canvas files Downloader lets any course-shaped page trigger extension-privileged file downloads.

CaptainFact sends matching YouTube video URLs to graphql.captainfact.io to load fact-checking statements.

Capture Full Page - Screenshot Editor captures user-requested page screenshots and opens them in an in-page editor.

Caramel sends Amazon cart product-title keywords to grabcaramel.com when applying coupons.

Card Bookmarks uploads cloud-synced bookmarks and tab backups to aa-zz.cn and records page visits locally.

Cats & Kittens Wallpapers sends new-tab search terms to search.cats-wallpaper.com.

Celonis Task Mining captures clicks, clipboard text, and form input on every page and sends them to a local desktop client over a WebSocket.

Chapax lets webpages trigger its screenshot capture flow and uploads selected screenshots to app.chapax.ai.

Chat AI for Chrome makes chataiforchrome.com the default search provider and tags requests with extension cookies.

Chat Assistant For TT sends usage events with a persistent UUID and browser metadata to Aliyun SLS.

ChatDOC uploads PDFs you open with its page button to ChatDOC-controlled storage for chat processing.

ChatGPT Browser Extension sends Google search queries to OpenAI and CodeGrepper for answers and caching.

ChatGPT Exporter sends user-triggered ChatGPT exports and Notion export tokens to backrun.co.

ChatGPT Search & fan-outs capture 3.4 stores captured ChatGPT conversation streams in extension-local storage.

ChatPDF - ChatGPT to PDF sends the active ChatGPT page HTML to a localhost PDF service when you export.

Check Broken Links sends scanned page URLs and broken-link details with a persistent UUID to hackcrafted.com.

Check Trustpilot sends each active tab's hostname to Trustpilot to fetch and cache review ratings.

Chorus - Spotify Enhancer captures your Spotify Authorization header and reuses it for Spotify API and playback requests.

Chrome Reload All Tabs lets any web page click its injected widget to reload browser tabs.

CiteMaker CiteWeb sends login credentials to citemaker.com using GET requests.

Claude Token Counter reads Claude organization, usage, and conversation data on claude.ai to calculate local token metrics.

Claude to Obsidian & Markdown Export sends save and sync activity logs to chatgpt2notion.com.

Claude to PDF saves Claude conversations as local PDF downloads using Chrome's debugger API.

ClicSpy sends saved Facebook Ads Library ad-card details to nodeapi.tueducaciondigital.site.

Clipboard History stores text copied from any website, including selected password-field text, in Chrome sync storage.

Clipboard Inserter Redux repeatedly reads clipboard text and inserts it into the active page after the user clicks it.

Clippy fetches remote comment text and renders matching messages as HTML on pages where its content script runs.

Clock Tab can display Chrome Top Sites URLs and page titles on its new-tab page for local shortcuts.

Close Tab loads a Buy Me a Coffee badge from cdn.buymeacoffee.com when you open its options page.

CloudCall scans webpages for phone numbers and sends matched numbers to CloudCall's GraphQL API.

CocoDoc - PDF Editor, Filler & Converter sends the current PDF page URL to CocoDoc tool pages when you use its PDF tools.

Codia AI Web2Figma captures the active page's DOM, URL, styles, and images into a local .codia export.

Codolio detects accepted coding-site submissions and records solved problem URLs in the user's Codolio workspace.

Color Picker for Chrome captures the visible tab and inserts the screenshot into the active page as a readable canvas.

Colorizer - Bitrix24.Cloud sends Bitrix CRM record IDs and stored app keys to colorizer.duddev.ru.

CommenTron sends LinkedIn post and reply context to RocketPod after users click its injected AI comment controls.

Convert Label forwards failed Vinted API request headers and bodies to convertlabel.com for error reporting.

Copy Cat loads its popup game's audio files over cleartext HTTP from www.noiseforfun.com.

Copy Dropdown Contents copies selected page dropdown option text into extension storage and then to the clipboard.

Copy HTML copies the active page's full HTML document to your clipboard when its popup runs.

Creator Hooks sends visible YouTube video IDs from YouTube pages to app.creatorhooks.com for saved-state lookups.

Crunchyroll Ad Skipper [QVI] sends Crunchyroll profile, watch history, and subscription data to me3x.online.

Cut YouTube Videos with VideoSegments sends YouTube video IDs to db.videosegments.org for community segment metadata.

Cute Save Button lets pages trigger downloads of attacker-chosen media URLs.