Browser extensions starting with C

Chrome Profile Lock (Secure) saves open tab URLs and titles locally, closes browser windows, and opens its lock screen.

Sets reminders in Chrome and notifies you at the date and time you choose.

Adds sound cues for common Chrome actions like tab changes, navigation, bookmarks, typing, scrolling, and resizing.

Checks whether Google Chrome is up to date on Windows and opens the update page when needed.

This extension clears browser data such as cache, history, downloads, forms, cookies, passwords, and local storage.

ChromeOS Diagnostics shares CPU, memory, and storage details with its allowed diagnostics web origins.

Automatically refreshes web pages at customizable intervals with a visible countdown.

Saves tab and window sessions using Chrome’s Storage API.

Adds a customizable Chiikawa-style character companion to your browser.

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

Cinnamoroll Aesthetic Live Wallpaper loads Google Fonts resources whenever its new-tab page opens.

This extension adds a Cinnamoroll-themed live wallpaper page with time, shortcuts, search, and cursor customization.

This extension turns the new tab page into a Cinnamoroll-themed animated wallpaper experience.

Replaces the new tab page with rotating Cinnamoroll HD wallpapers and browsing widgets.

This extension adds a Cinnamoroll-themed live wallpaper experience to the browser.

This extension replaces the new tab page with an animated Cinnamoroll ocean wallpaper.

This extension adds an offline HTML5 Circle Flip puzzle game to Chrome.

Circleboom Remove Twitter/X Followers sends selected follower-removal status and follower IDs to Circleboom.

Play a city bus driving simulation game with pickup, drop-off, rewards, and bus customization features.

Clarity notes V2 returns stored access and refresh tokens to its approved web and localhost origins.

Automates ClassCard memorization sessions with a selectable end point and word-to-word delay.

Students use QR codes or access codes to sign in and view their ClassHive apps.

ClassInTheBox has no confirmed reviewed data-sharing behavior recorded in this scanner.

Play a classic backgammon board game in a Chrome popup without an internet connection.

This extension applies a dark theme and warmer night tones to websites for more comfortable browsing.

Play a free offline Flappy Bird-style game from the browser extensions menu.

Play a free offline Pac-Man-style game from the browser extension popup.

Play classic Tetris puzzle gameplay with Marathon and Quick Play modes, including offline play.

Play a classic UNO-style card game with mouse controls, avatars, action cards, and 2D visuals.

Adds quick access to Classroom 6x unblocked games in the browser.

This extension tracks the number of requests made on Claude.ai and shows usage patterns over time.

Claude Helper loads Google Fonts on claude.ai pages, sending page request context to Google font endpoints.

Adds a voice-enabled side panel for interacting with an existing OpenClaw Gateway while browsing.

This extension gives IMDb pages a cleaner, full-width layout without ads.

Replaces the standard new tab page with a clean page and a search bar using your default search engine.

This extension creates cleaner article and blog pages for distraction-free reading.

Copies the current tab’s URL without most query parameters for easier sharing.

Adds a button on YouTube to block ads while watching videos.

Hides selected YouTube overlay and recommendation elements for a cleaner viewing page.

Filters unwanted YouTube videos, comments, Shorts, live chat, notifications, and other page content.

Clears browser data and reloads the current tab for quick testing.

This extension clears Chrome browsing history with one-click controls and selectable time ranges.

Clears selected browsing data from the browser toolbar with a click.

Closes all other tabs in the current browser window with one click.

Clears data for the current site without clearing data from other sites.

Clear all tabs lets any webpage trigger its injected widget to ask the extension to close other open tabs.

ClearMind scans page text and URL signals locally to detect and redirect adult-content pages.

Clears OPFS data and the browser cache for the active tab with one button click.

Cliarly sends selected, edited, or user-requested clipboard text to Cliarly cloud endpoints for correction, rewriting, and audio.

This extension measures how many times you can click in a 10-second test.

Turns phone numbers on webpages into links that start Zoom Phone calls.

Click counter online can count clicks on all visited sites and stores timestamped counts locally.

Click dictionary sends text you double-click on webpages to en.bab.la over cleartext HTTP for dictionary lookup.

Click switch socks5 records page resource hostnames and saves proxy-routing domain relationships locally.

Click to Copy injects a copy toolbar into every website and places extension asset URLs in the page DOM.

Adds click-to-play and click-to-pause controls to Twitch videos.

This extension lets you follow links, scroll pages, and navigate browser history by hovering instead of clicking.

ClickApporter sends Amazon cart, product-view history, search terms, and saved-item ASINs to clickapporter.com during checkout.

Adds right-to-left viewing support to the ClickUp app with a better font.

Clienty Wap Importer sends selected WhatsApp contact names and phone numbers to the user's Clienty site.