Browser extensions starting with C

Marks Canvas calendar events, assignments, and pages as complete for personal tracking.

Adds quick access to Canvas grades, assignments, and course details.

Applies a dark theme to Instructure Canvas pages.

CanvasCape loads FontAwesome resources from ka-f.fontawesome.com when launched on the active page.

Canvasgotchi sends the user-entered Canvas API token to the configured Canvas site while checking assignments.

CapCut Template opens the publisher site on install and again after monthly background checks.

Captcha Recognizer sends CAPTCHA images from supported sites to ocr.holey.cc for recognition.

CaptchaAI - Captcha Solver sends page URLs and captcha challenge details to CaptchaAI for solving.

This extension provides a simple capybara-themed clicker game in the browser.

This extension provides an unblocked capybara-themed clicker game in Chrome.

This extension adds capybara-themed custom cursors to Chrome.

Replaces the new tab page with a live sports car wallpaper and built-in browsing widgets.

CarGurus Dealer scans webpages for VINs and sends detected vehicle identifiers to CarGurus pricing APIs.

Visualizes Carbon grids, tokens, and components on live pages for design system review.

Shows the card count at the top of Trello lanes.

Play a cartoon coloring book game from the Chrome extensions menu.

Transforms selected text into different case, code, encoding, and Unicode formats from the right-click menu.

Convert pasted text between upper case, lower case, sentence case, and capitalized case.

Cashback Easy reports active tab origins for store matching and sends overlay telemetry to Google Analytics.

This extension keeps an eCash wallet in the browser.

CasperDash lets any site request the wallet public key and connected-site map through its injected page bridge.

Cassidy can send webpage text and selected screenshots to app.cassidyai.com when page messages trigger its bridge.

Customizes the Chrome cursor with 60+ cat-themed cursor designs.

Turns a to-do list into a cat-care game with tasks, rewards, and a health meter.

Fixes Catastro WMS server errors so cadastral data can appear embedded on other web pages.

Catholic Central GPA Calculator injects a remote GitHub Pages module into MySchoolApp pages.

Caucasus Auto Tool sends Copart and IAAI lot identifiers from auction pages to api.apicar.store.

Cede.store lets connected web pages ask the extension to open a tab and inject its helper script.

ChadGuard sends blocked or AI-flagged page URLs and a Discord username to chadguard.pythonanywhere.com.

Chain.fm loads a chain.fm iframe on enabled trading sites and sends the current hostname to Chain.fm.

Turns the new tab page into a Chainsaw Man girls live wallpaper dashboard.

Turns the Chrome new tab page into an animated Chainsaw Man-themed live wallpaper.

Chamty.sk checks AliExpress product pages by sending the product URL and affiliate cookie to AliExpress.

Edit and transform selected webpage text with case changes, formatting, links, and line break tools.

This extension changes image colors, tints, hues, and shades through a simple browser editing interface.

Adjust YouTube video playback speed with a slider from 0.0625x to 16x.

Blocks YouTube homepage content from specific channels to help reduce distractions.

Groups YouTube subscriptions and filters or blocks videos by channel group, rating, and keywords.

Character Shooter loads remote game GIFs on the active tab when you click the extension.

Counts characters, words, spaces, and symbols in selected text from a right-click menu.

This extension redirects Chartink stock chart links to TradingView and adds ticker-copying tools.

ChartsTab checks visited sites with chat-secreto.es and can redirect tabs with the hostname and full URL in the redirect.

ChassistantGPT sends recognized voice prompts to ChatGPT using the user's ChatGPT session token.

Chat CRM - Carthike sends WhatsApp Web contact phone numbers to Carthike to retrieve CRM order details.

Adds a chat outline and scroll minimap for navigating long ChatGPT conversations.

Chat GPT Diagram sends PlantUML code blocks from ChatGPT pages to plantuml.com for diagram rendering.

This extension changes the fonts used across ChatGPT on desktop.

Chat GPT Side Bar MeaVana sends stored session tokens to PostHog during some expired-session logout flows.

Splits long text into multiple ChatGPT messages for easier input.

The extension reads unread-message counts from open chat and social tabs and shows them as a toolbar badge.

Chat Overlay for Youtube, Twitch & more sends selected chat and social post content to api.overlay.ninja.

Chat Translator for WA sends selected or typed WhatsApp text to Google Translate for translation.

ChatArt sends authenticated Google and Bing search results to api.chatartpro.com for AI search summaries.

Changes the Google Chat interface with theme and organization options.

ChatExtension sends page text to chatgpt-extension.deno.dev when you submit a chat prompt.

ChatGPT - Google, Bing, Baidu, More sends search-page queries to OpenAI or openai.sourcefrom.me for answers.

AI Perfect Assistant sends Gmail draft text and selected page text to perfectassistant.ai when you use its AI actions.

Downloads high-quality audio from ChatGPT voice conversations for use across devices and platforms.

This extension changes ChatGPT message controls so Enter adds a line break and Ctrl+Enter sends.

This extension makes ChatGPT chat content use more of the available screen width.