Browser extensions starting with C

Shows site storage usage and lets you clear selected browser data for the current site or all sites.

Clear cookies for one site lets webpages trigger its cookie-clearing button for the current site.

This extension helps simplify GST return filing with automated ingestion and smart reporting.

Click Image Download lets page-generated alt-click events trigger extension-managed image downloads.

Clinical Notes AI registers each page URL and domain as PostHog properties from its broad content script.

ClipSave Video Downloader sends clicked Facebook video URLs and page metadata to clipsave.net for downloads.

Clipper lets web pages invoke its page extraction and cloud clipping actions through a message bridge.

Closes open tabs and windows and can clear selected browsing data with one toolbar action.

Cloud Print injects Google Analytics JavaScript into activated HTTP pages through its toolbar.

This extension sends Chrome print jobs to the Cloud Print and Scan web application.

Purge Cloudflare cache for the current page or an entire domain from the browser.

This extension shows connection and Cloudflare-related details for the websites you visit.

Livescratch lets Scratch pages request its stored LiveScratch bearer token through an external messaging bridge.

Beautifies and formats source code using Code Beautify’s online developer tools.

Coin Search reports each visited page URL and hostname to coinsearch.cash when rewards are enabled.

Color Code Finder reads page colors from every HTTP and HTTPS site and sends the computed palette to its extension runtime.

Color Picker captures the active tab image when you use its picker and sends recurring run events to Google Analytics.

Pick a pixel color from anywhere on the screen with a native eyedropper tool.

Color Picker Tool & Eye Dropper captures the active tab screenshot for local color sampling when you use its picker.

Picks colors from the current screen and copies their hex values for reuse.

Pick colors from webpages and view commonly used site colors in HEX and RGB.

Comix Downloader sends a hashed ID of every comix.to profile you visit to its own server, with no opt-out.

Comment Exporter proxies exported Instagram commenter avatar URLs through cdn.getwebooster.workers.dev.

Adds a browser side panel for AI-powered learning guidance from your organization’s learning platform.

This extension compresses video files locally in the browser for smaller downloads.

Comunidade ZDG FREE fetches and eval-executes a GitHub script inside WhatsApp Web after WhatsApp tabs load.

Conso tracks your AI chat usage on ChatGPT, Claude, Gemini and Perplexity and sends token counts to its Supabase backend.

Console Importer injects a page helper on every site that can load user-selected remote JavaScript or CSS.

Consumer Rights Wiki reads page details locally to match visited shopping pages with consumer-rights information.

Automatically generates Content Security Policy headers for websites.

Contentsquare Tracking Setup Assistant records tracker request details and Contentsquare storage/cookies locally for setup checks.

Adjust brightness for individual Chrome tabs and pages.

Convert selected text into different letter cases from the browser context menu.

Convert File sends a bundled ConvertAPI secret with each file-conversion request.

Converts Gmail messages and selected threads into PDF files locally.

Convert audio or video files to MP3 from a browser extension interface.

Automatically deletes unwanted cookies and site data after you close tabs.

This extension clears stored browser cookies for a selected time period.

Cookie Clicker Mod Manager injects user-configured remote mod scripts into Cookie Clicker pages.

Cookie Guard writes detected affiliate cookie details into page-visible alerts and sessionStorage.

Manage Chrome cookies by adding, deleting, editing, searching, protecting, and blocking them.

Cool Cursors redirects Google search pages to ugnewtab.net with the user's original search query.

Copilot by Global Technology rewrites Bing-matching requests and removes CSP and X-Frame-Options responses.

Copilot for Gmail by cloudHQ sends Gmail account lists and visible message contacts to cloudHQ for checks and CRM lookup.

Copy & Paste Tabs copies open tab URLs, and optionally titles, to the clipboard when you click its Copy button.

Adds editable right-click menu items for copying link URLs and link text with custom formats.

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

Copies the current address bar URL while preserving Unicode characters.

Copy selected page content as Markdown from the right-click menu.

Copy on Select can paste clipboard contents into editable fields on any website after specific mouse actions.

Copies text at the clicked point through a context-menu Copy action.

Copies URLs from all open tabs in the current window to the clipboard.

CopyTabTitleUrl copies tab titles, URLs, and optional active-page fields to the clipboard when the user triggers it.

Adds right-click copying options for tabs, links, selections, images, audio, and video.

Adds decorative bows to webpage headings while browsing.

Core Web Vitals Visualizer sends the active page URL or origin to the Google Chrome UX Report API after a user request.

Cornify records recent key codes on HTTP and HTTPS pages to detect the Konami sequence.

Generates corporate-style lorem ipsum filler text by word or paragraph.

Coupons Search sets searchext.com as your default search engine, routing every address-bar query through a Yahoo-syndication redirect.