Browser extensions starting with C

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.

Cyberpunk 2077 Themed Homepage sends configured RSS feed URLs to api.allorigins.win when its RSS widget is used.

CÔNG CỤ ĐẶT HÀNG GIANG HUY LOGISTICS evaluates page scripts on supported shopping sites.

The extension uploads AI-chat titles, conversation IDs, and folder data to superchargeallai.com for premium cloud sync.

Smart Color Picker and Palettes places visible-tab screenshots into pages during picker mode.

css scanner can send selected page HTML and CSS to codepen.io when exporting to CodePen.

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

cat-catch-re-tiktok records media request URLs and selected headers across sites, including cookies and authorization headers when present.

cliget captures downloadable request URLs and headers, including cookies, to generate local curl, wget, or aria2 commands.

Chesscheat reads chess.com board positions and overlays Stockfish best-move highlights during games.

Copy ShortURL sends the page, link, or image URL you choose to a configured URL-shortening service.

ChartFox Browser Extension lets ChartFox pages read responses from non-ChartFox XHR requests.

ChatGPTBox sends selected text and extracted page content to the user's configured AI provider.

Coloriage Plus sends a persistent extension ID and install timestamp to coloriage.azurewebsites.net on Google searches.

Copilot Sidebar removes Microsoft Copilot frame-protection headers so Copilot can load inside its Firefox sidebar.

Chess.com analyse at lichess sends a selected Chess.com game's PGN to lichess.org when the user starts analysis.

Arcrawls posts AI chat prompts and page text into the page window on all sites.

CCBrowser by Noves sends a bundled Noves API auth secret with Canton API requests.

CDA.pl Auto Downloader PRO sends issue reports with video page and stream URLs to a Discord webhook.

CFCA CertEnrollment.IBK Extension lets IBK web pages connect to a caller-specified native messaging host.

CFCA CertEnrollment.YOCYL Extension lets allowlisted websites choose a native messaging host and relay messages through it.

CFCA CryptoKit.Induschain Extension lets allowed websites send selected payloads to a local native-messaging host.

CFCA CryptoKit.Midea V3 Extension lets scoped Midea-related sites send requests to local CFCA native messaging hosts.

CFCA CryptoKit.NCB Extension lets approved NCB web origins choose a native messaging host and forward payloads to it.

CFCA CryptoKit.YOCYL Extension lets many allowed websites choose and message a native application.

CS2 Float Checker ships a static SteamLedger API token used for its backend extension endpoints.

CSS Variables Editor collects CSS variables and page CSS-variable config from active tabs into session storage.

Calculator Extension sends searches typed on its new-tab page to brownmile.com.

Canvas Quiz Solver sends Canvas quiz question text, options, and images to its backend when users request an answer.

Capture Full Page Screenshot captures user-requested page screenshots and stores them in extension-local storage.

Capture by Tracker stores Tracker login credentials in reversible base64 and reuses them for Tracker API requests.

Capybara Live Wallpaper loads Google Fonts and sends user-added shortcut domains to Google's favicon service.

Cat wallpaper sends precise location coordinates to OpenWeatherMap for its new-tab weather widget.

Cesium sends the stored wallet public key to configured ES peers while checking for unread notifications.

Chat Translator sends Twitch and Kick chat messages to Google Translate for real-time translation.

Chat2File reads selected AI chat page content and saves it to a local export file when you ask it to.

The extension sends persistent export-usage totals to a Supabase endpoint when DeepSeek loads.

ChatGPT & Gemini File Uploader sends ChatGPT profile details to fileuploader.app and page views to Google Analytics.

ChatGPT Exporter sends PDF exports of ChatGPT conversations to GPTAha's backend for generation.

ChatGPT Sidebar Assistant sends install telemetry with IP metadata and a persistent UUID to Alibaba Cloud logging.

ChatGPT context companion sends selected page text from context-menu prompts to ChatGPT or OpenAI.

ChatGPT to Evernote sends selected ChatGPT conversation content and the user's Evernote token to chatgpt2evernote.com.

The extension syncs selected ChatGPT folder metadata, including chat IDs and titles, to Chat Power's Firebase service.

ChatGPT-The Future sends supported search-result queries to ChatGPT or OpenAI for answer generation.

ChatSider AI Copilot sends search queries and selected page text to the ChatsNow GPT endpoint.