Browser extensions starting with C

Custom Calendar Background lets any site set its theme token and adds your Google account email to calendar.useit.today image requests.

Custom profile picture for Netflix uploads your streaming viewing history and account details to third-party servers.

Connects managed student Chromebooks to classroom.cloud teacher and administrator portals for classroom management.

Automatically deletes cookies and site data after tabs are closed or discarded.

View, search, create, edit, import, export, and delete cookies for the current tab.

Consent-O-Matic fetches unsigned remote rule lists that drive automatic clicks across websites.

Pick colors from any point on a webpage and use them in other programs.

Download Chrome Web Store extensions as CRX or ZIP files.

CS2 Case Opening Stats sends opt-in debug copies of Steam inventory-history responses to LootSpectrum.

Calculator app sends popup usage and license-flow events to Google Analytics.

Turns on your webcam so you can take pictures or photos in the browser.

Capsule Hub reads your AI chat transcripts and Gmail/Outlook email threads and uploads them to its own servers to build reusable "capsules."

Cash Catch runs on every site and sends the full URL, referrer, and hostname of each page you visit to its servers.

Blocks selected videos, users, or entire channels with one click.

Adds dark mode themes to Messenger on messenger.com.

Send AI chat messages with Ctrl+Enter or Cmd+Enter instead of Enter.

Queues ChatGPT image prompts and downloads each generated image automatically.

This extension notifies you when cheaper flight prices are available during your flight search.

CheerpJ Applet Runner exposes a proxy frame that fetches caller-supplied URLs and returns the responses.

Adds a simple offline notepad to the browser for writing, copying, speaking, and managing multiple notes.

Play piano songs in the browser using a keyboard or mouse.

View and download Chrome Web Store extension source code without installing the extension.

Deletes browsing data with one click or a keyboard shortcut.

Remove unwanted page elements temporarily or permanently while browsing websites.

Adds a small analog clock next to the Chrome address bar.

This extension converts files between more than 200 formats using CloudConvert’s online conversion service.

This Chrome app displays system information using Chrome system APIs.

Applies a customizable color filter to webpages to improve color perception.

Color Picker - Eyedropper Tool puts user-triggered tab screenshots in a page-readable canvas.

Color Picker reports the full URL and referrer of every page you visit to gopickcolors.com, keyed to a persistent ID.

Parses competitive programming problems and contests for use in supported coding tools.

Control Panel for YouTube exposes its stored settings to scripts running on YouTube pages.

This extension lets you view, add, edit, delete, import, export, back up, and restore browser cookies.

Clears cookies and site storage for the active website with one toolbar click.

Copytables runs on every page and writes selected table content to the clipboard.

Manage cryptocurrency and NFT wallets across multiple blockchains from a browser extension.

Culture Cloud sends selected page text to vision.appreciatehub.com when you use its context-menu action.

This extension lets users play a physics-based candy puzzle game in the browser.

This extension provides a physics-based puzzle game about collecting candy for a little monster.

This extension records and audits activity in CyberArk Identity-protected web applications.

coffeelings loads third-party font and image assets when its popup opens.

Connective signing extension lets any website ask its local signer app for GET_INFO details and read the response.

Converter Suite sets Yahoo as the default search engine and routes all searches through an undisclosed affiliate tracking account.

Enables authentication and digital signatures in Certisign corporate applications.

This extension lets users manually set webpage character encoding when text appears garbled.

ClearTok sends your TikTok username and repost-removal activity to its own servers via a session-based tracking system.

Simulates different types of colorblindness on websites for accessibility testing.

Adds standard playback controls to Instagram videos embedded on web pages.

Copy All URLs (Free) reads the URLs of all open tabs in the current window and copies them to the clipboard.

Copies open tab URLs to the clipboard and opens clipboard URLs in new tabs.

Adds customizable colorful trails that follow your mouse cursor while you browse.

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