Browser extensions starting with C

Cashback service Paidwork can send its stored Paidwork user ID to a page-controlled URL after a click.

The extension sends a persistent extension ID, page origins, search terms, and SERP events to Google Analytics.

Cat Tab Cursor sends bookmark URLs to Google's favicon service and submits new-tab searches to cattabsearch.com.

Change My Location sends first-run geolocation coordinates to Google Maps Geocoding from its popup.

Chat Exporter accepts Notion tokens from page messages and sends exported Gemini chats to Backrun's Notion API.

Chat and Meet for Google fetches remote message HTML from jitt.wwevents.fun and renders it in extension pages.

ChatGPT Prompt Plus loads a prompt-picker icon from Firebase Storage on ChatGPT pages.

ChatGpt VPN - VPN for ChatGpt Ai routes selected domains through bundled proxy servers with hardcoded credentials.

Check US Visa Slots sends AIS appointment details and an appointment-form screenshot to app.checkvisaslots.com.

ChessExpert lets matched pages request a visible-tab JPEG screenshot through its page-to-extension event bridge.

Christmas Wallpaper New Tab sends displayed top-site URLs to Google's favicon service on the new-tab page.

Chrome reader mode sends the current page URL to a Google Forms endpoint after low reader-mode ratings.

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

Click-to-call для MANGO OFFICE sends the active tab's domain to Mango Office servers each time a call is initiated.

Clipper sends saved clips with the active tab title and URL to the Clipper backend.

Collage - Debate Card Cutter and Library imports clipboard HTML into its library and saves it for later restores.

Comment Exporter - Extract Comments reads Facebook comment data for local export after the user starts an export.

Comment Exporter for YouTube sends selected video IDs to backup comment servers when YouTube's direct export fails.

Comment Stack records its extension UI pages and sends DOM snapshots and input events to tglens.tabgraf.com.

CompanyCam rewrites Facebook, Instagram, and QuickBooks CSP headers to allow inline and eval scripts.

Convert PDF to Word redirects every new tab to the remote freepdfconversion.com converter page.

Cookie Tool copies the active page's cookies to the system clipboard when the popup button is clicked.

CoolStart loads third-party stylesheets and fonts whenever it opens its replacement new tab page.

Coursera Dual Subtitles sends Coursera page host, path, and title to Google Analytics when its subtitle overlay renders.

Creator Studio Extension lets MSN pages request your logged-in Medium RSS feed through its browser bridge.

Criminal IP: AI-based Phishing Link Checker sends visited HTTP(S) hosts to Criminal IP and DNS lookup endpoints.

Cristiano Ronaldo Wallpaper loads Google Fonts from its new-tab page on each new-tab navigation.

Super Cars HD wallpaper video backgrounds embeds API credentials and sends consented analytics events to Google Analytics.

cpdown reads the active tab's page content when you ask it to copy the page as Markdown.

ClipSave Facebook Video Downloader opens clipsave.net with encoded Facebook video links when users click Download.

The extension scans page text on every site to detect adult content and records matching hostnames locally.

CyberGhost Cookie Cleaner shows whitelisted domains through Google's favicon service.

Click and Read extracts scholarly identifiers from web pages and sends them to configured resolver services.

CAD SCOUT 3Dfindit reads search text or page titles from visited sites and sends matching searches to PARTcommunity.

CFCA CertEnrollment.BOCD Extension lets approved BOCD banking sites talk to a native certificate host.

CFCA CertEnrollment.BankOfLuoYang Extension lets approved banking sites send native-messaging requests to a local host.

CFCA CertEnrollment.XIBank Extension lets XIB pages choose a native messaging host and forward payloads to it.

This extension supports certificate application functionality in Chrome.

CP Calendar fetches coding contest listings from the Clist API with an embedded API key.

CS2 Case Stats fetches Steam inventory history pages and stores parsed case-opening results locally.

Can I React? sends YouTube video IDs and channel URLs to api.canireact.com for reaction guideline lookups.

Canvas Hack hides focus and visibility changes from every HTTP(S) page after paid activation.

Canvas Assistant sends full page URLs from non-Canvas pages to its analytics endpoint.

ChatGPT Translator sends text entered in its popup to OpenAI for translation.

ChatGPT and AI Detector by ZeroGPT.cc sends selected page text to zerogpt.cc when its popup opens.

ChatGPT to PDF sends ChatGPT conversation HTML and page metadata to chatgptpdf.tech when exporting PDFs or DOC files.

ChatPDF - AI for Documents loads a remote Imgkits image on matched PDF pages, sending normal request metadata.

ChatSearch: ChatGPT for Search Engine (GPT4) logs search prompts with IP-derived fields and a UUID to Alibaba Cloud.

The extension lets TikTok and Instagram page scripts request downloads and settings changes through its message bridge.

Christ-Centered sends precise browser geolocation coordinates to OpenWeatherMap for its new-tab weather widget.

Chrome Locker initializes its site-lock password to the hardcoded default value "password".

Chrome Step Recorder records clicks, form changes, page details, and visible-tab screenshots while recording is enabled.

Citation Generator: InText sends user-entered website citation URLs to public CORS proxy services.

Classic Minesweeper Offline Game loads popup and options UI images from raw.githubusercontent.com.

Clear Website Cache can clear saved passwords for all websites when its password option is unchecked.

Click-to-Call for Web and CRM opens caller phone numbers in a cleartext Whitepages lookup URL.

Clip To Workflowy sends selected page text plus tab titles and URLs to Workflowy when you clip through its API mode.

Clipboard Manager records copied and pasted text from every HTTP and HTTPS page into local extension storage.

CoPilot EveryWhere removes Copilot security headers so its pages can be embedded by the extension.