Browser extensions starting with C

This extension highlights useful fields on web pages.

This extension opens Google Meet or Zoom meeting links from Google Calendar shortly before events start.

Assigns a proxy to a Firefox container so tabs in that container use the selected proxy.

Adds chat, character, appearance, and memory tools to the Character.AI web experience.

ChatGPT in Sidebar loads third-party stylesheets when its options page opens.

The extension bridges scoped bank and CA web pages to native messaging hosts, but accepts the host name from the caller without validation.

Edit CSV files directly in the browser and download the updated file to your computer.

This extension clears selected Chrome browsing data such as cache, cookies, history, downloads, storage, and saved passwords.

Calligra online - office, graphics & email sends visited page URLs to OffiDocs with a persistent extension-generated username.

Adds Canvas LMS interface enhancements, extra visible details, and page search features for admins, teachers, and other users.

Substitui imagens do Cartola por fotos oficiais de clubes e jogadores.

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.

Cats-Tab Default Search sends searches typed in Chrome's default search box to www.cats-tab.xyz.

This extension converts selected text between common letter-case formats.

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 Exporter sends user-triggered ChatGPT exports and Notion export tokens to backrun.co.

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

ChatGpt VPN fetches its proxy server list from public pages and routes browser traffic through those servers.

This extension provides a Vietnamese-language way to experience ChatGPT in the browser.

Manage chatbot character cards, chats, greetings, and customization tools across supported chatbot sites.

Selects a range of webpage checkboxes when you hold Shift and choose the first and last boxes.

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

Resolve chemistry citations from the toolbar, address bar, or right-click menu.

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.

Roll virtual dice from a Chrome toolbar button.

This extension enforces a 20-tab maximum in Google Chrome Enterprise.

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

Displays live video latency while watching streams on chzzk.naver.com.

This extension turns the new tab page into a pastel Cinnamoroll live wallpaper experience.

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

Exports Claude.ai project files and chats as individual downloads or ZIP archives.

Redirects YouTube browsing toward subscriptions and removes some distracting video paths and recommendations.

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.

This extension lets you close, pin, unpin, group, or ungroup multiple tabs from menus or shortcuts.

This extension finds and closes duplicate tabs, with options to review them first or close new duplicates automatically.

Mass adds Instagram users to your Close Friends list from imported or entered user IDs.

Beautifies JavaScript, CSS, and HTML code directly in the browser.

Formats code in the browser with a single click for improved readability.

Shows programming contest links and shortcuts to popular coding platforms in one click.

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

Play a simple offline arcade game that matches a ball with the same-colored part of a ring.

Pick colors from webpages and view their HEX, RGB, and HSV values.

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.

Maska Method records TikTok request data locally and modifies TikTok publish requests before submission.

Converts JPG images into PDF files directly in the browser.

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

Adds, edits, and removes cookies for the current website through a cookie table interface.

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

This extension lets you copy, import, delete, add, and edit cookies for the current active tab.