Browser extensions starting with C

This extension sets images, web pages, GIFs, and videos as ChromeOS wallpapers.

Manages Bittensor TAO wallets with staking, transfers, Ledger support, and portfolio tracking.

Cryplex AI Storage Node lets any website set its stored auth token and trigger node sync to app.cryplex.ai.

Replaces the new tab page with customizable HD cute dog wallpapers and widgets.

Color Picker For Firefox captures the visible tab when you start picking a color.

Adds a toolbar button that opens Microsoft Copilot in a new tab.

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

Channel Blocker loads Google Fonts stylesheets from its extension pages when those pages open.

ChatGPT in Sidebar loads remote stylesheets from Cloudflare CDN and jsDelivr when its options page opens.

Track time manually and start timers from supported productivity websites.

Schedule, share, and manage Calendly meetings from the browser and supported web apps.

Shows Codeforces problem ratings even when problem tags are hidden.

CFCA CertEnrollment.CZCB Extension bridges web pages on czcb.com.cn to a local native PKI application using caller-supplied host names.

Enables code copying and full-article expansion on CSDN pages without signing in.

Adds a visual progress chart and task lists to Canvas for tracking coursework.

Canvas GPA Calculator checks every visited site for a Canvas API endpoint before saving the first Canvas domain it finds.

Canvas downloader. Find and export. reads canvas image data and source URLs from matched pages on request.

Counts words and characters in selected or pasted text.

Chat GPT Extension loads Font Awesome CSS from cdnjs.cloudflare.com when its popup opens.

This extension translates selected text between multiple languages using OpenAI’s GPT-3.5 turbo model.

This extension adds a ChatGPT interface inside Google Colab code cells.

This extension adds ChatGPT-style answers alongside Google-powered search results on a custom new tab.

Exports WhatsApp Web chat history in HTML, CSV, JSON, or Excel formats.

Chatterclock reads ChatGPT conversation requests and cookies locally to update per-account message counts.

Make Chess.com moves using keyboard input in algebraic or UCI notation.

This extension provides a Chrome downloads interface for finding, organizing, and managing downloaded files.

This extension prevents previous searches from appearing in Chrome’s omnibox suggestions.

Downloads Naver Chzzk VODs and clips as original-quality MP4 files.

Citationsy - Cite Websites and Papers sends the active tab URL or extracted DOI to Citationsy when you use the popup.

Cities HD Backgrounds in Your New Tab sends search-box queries to spntextension.com.

Classifieds List sends new-tab search terms to classifiedslist.org and calls GeoIP2 to derive the user's city and state.

Claude to PDF, Word and Google Docs reads your Chrome profile email on install and sends it with a generated ID to Thinksolv.

This extension helps delete search history on major services and clear browser cache or cookies.

Adds a toolbar button that closes all tabs to the left of the active tab.

CoRecruit sends recruiting-site contact IDs and phone numbers to Quil when creating meetings.

Opens GitHub, GitLab, or Bitbucket repositories in a Codeanywhere cloud development environment with one click.

Create, save, and manage brand color palettes with HEX, RGB, and CMYK color codes.

Checks color contrast ratios and shows WCAG 2.1 pass/fail results for selected or entered colors.

Color Finder reads page color styles on all HTTP/HTTPS pages and sends the palette to its extension popup.

Shows the Comfort on-screen keyboard when you enter text fields in the browser.

This extension reduces the file size of selected JPEG photos in Chrome.

CondividiStudioWeb reads DOM data on Italian government tax portals and forwards local download file paths to a native messaging host.

Contacts & Group Number Export for WhatsApp reads WhatsApp Web contacts and group metadata when the user runs an export.

Adds a control bar and keyboard shortcuts to YouTube Shorts videos.

Convert PDF to Word uploads selected documents and conversion task details to qwerpdf servers.

Captures recipes from websites for use in Cook'n with one click.

Shows the best Cookie Clicker purchase based on price, CpS outcome, and time to obtain.

Copy All Urls copies the titles and URLs of tabs in the current window to the clipboard.

Copies the visible text of a link from the right-click menu.

Copy as Plain Text lets webpages update its paid license state through a page-dispatched Paddle event.

This extension checks Core Web Vitals metrics for the current web page.

Corgi AI ships hardcoded Voicemaker and Google Analytics credentials in its extension bundle.

Enhances the Xiaoyuzhou web experience with downloads, Listen Notes search, and playback speed controls.

Shows a country flag for the active website based on the server’s location.

Cristiano Ronaldo Wallpaper sends top-site URLs from its new-tab page to Google's favicon service.

Crunchyroll Comments sends Crunchyroll watch and series page URLs to restore.crunchycomments.com.

Replaces the New Tab page with Bitcoin price information and volatility period views.

Adds customizable animated trails that follow the mouse cursor while browsing.

Cute Cats & Kittens Wallpaper reads Chrome's most-visited sites to show them on its new-tab page.

This extension lets you color number-based coloring pages in Chrome.