Browser extensions starting with C

CSFloat Market Checker lets allowed Steam Community and CSFloat pages read its cached Steam Web API token from extension storage.

CFCA CryptoKit.CIB Extension forwards caller-supplied native host names without validation, allowing any authorized origin to connect to arbitrary native messaging hosts.

CJDropshipping stores your raw account password in Chrome sync when remember password is selected.

This extension lets you set a custom browser geolocation value for websites.

This extension changes your voice for web apps that use your microphone or audio capture device.

CocoShot lets any website request and receive your camera and microphone device list through its permissions page.

PDF to Word uploads the opened PDF to ZonePDF servers when you start a conversion.

ČSOB Electronic Signature reads session cookies from CSOB and ICA banking pages and forwards them to a local native PKI service.

Citavi Picker sends OAI publication identifiers to CORE when searching for downloadable PDFs.

View the CSS code used for specific elements on a web page.

Calendar Dark Mode can load Google Fonts when its optional monospace font add-on is enabled.

Canvas+ sends its settings and install metadata to a Google Forms survey after a user clicks the survey prompt.

Redirects Bing search requests to a search engine you choose.

Citrix Secure Access logs every site you visit and can relay clipboard content to your IT admin's Citrix gateway.

Clari Groove reads the content of Gmail emails and Google Calendar events and sends them to its backend to log activity in Salesforce.

Automatically removes tracking elements from URLs as you browse.

ClickFix Block detects and blocks ClickFix social-engineering prompts on most web pages, and exposes its settings to any page via an open external-messaging channel.

Color by Fardos sends all link URLs from every HTTPS page to admitad.com and replaces them with affiliate tracking links.

Control de URLs para nebulaCERTagent sends the active or pending tab URL to its native messaging host.

Automatically clears cookies and other site data after tabs are closed, with whitelist and greylist controls.

This extension lets users view, edit, import, export, and delete cookies for the current page.

CrankWheel reads contact fields from your open CRM record and sends the screen-shared tab's URL to its own servers.

The extension mints a token from your Crunchyroll session and sends your watch history, profiles, and subscription data to me3x.online.

Records browser videos with automatic cursor-focused zooms and pans.

Chrome Mask fetches a Chrome version number from a third-party server and injects it into request headers on user-whitelisted sites.

CatalyzeX sends page URLs, paper titles, and arxiv IDs to its servers on every academic page visit, and links this activity to authenticated user accounts via Mixpanel.

This extension enables selecting and copying text on websites that block it.

CF-Predictor reads every contestant handle from a Codeforces standings page and sends them to its own server to compute rating predictions.

CFCA CertEnrollment bridges ADBC bank pages to a local native application for certificate-based authentication.

CFCA CryptoKit.ADBC bridges pages on adbc.com.cn and hellotech.top to a locally installed bank PKI/certificate app via native messaging.

Gets the CSS applied to a selected web element and its descendants in one click.

This extension shows a calendar clock with local time.

Adds a dark mode appearance to Canvas pages on instructure.com domains.

Capturables exposes a persistent install identifier to every visited page.

Adds rating-change and performance columns to Codeforces ranklists.

Chromegle sends Omegleweb video-chat peer IP addresses to geo.eulerstream.com for geolocation.

CoffeTab replaces your new-tab page with a meta-refresh that immediately redirects every new tab to coffetab.com.

Convert Picture to Text runs Tesseract OCR locally in the browser, fetching language model files from an external CDN when processing images.

Converter for Excel uploads user-selected Excel files to api.pdfconverted.com for PDF conversion.

Play a browser clicker game where cookie clicks earn upgrades and ongoing cookie production.

Copy Cookies reads every cookie for the active tab, including httpOnly ones, and copies them to your clipboard on click.

Copies titles and URLs from open tabs to the clipboard in selectable formats.

Sets a custom page or local file to open whenever you create a new Chrome tab.

CyberGhost Cookie Cleaner sends domains shown in its exceptions UI to Google's favicon service.

CFCA CryptoKit accepts a caller-supplied native host name from bank-domain pages and connects to it without validating it against an allowlist.

This extension uses CFCA certificates to help perform message encryption and decryption.

CSDN browser assistant adds a clip button to every website and reports your CSDN account cookies and page views to CSDN's tracking servers.