Browser extensions starting with C

Shows CSS properties for page elements when you enable it and hover over them.

Keeps your display or system awake to prevent sleep during presentations, reading, or downloads.

This extension changes selected text between title case, sentence case, uppercase, lowercase, and programmer-style cases.

Checks whether the YouTube channel you are viewing is monetized.

Check US Visa Slots sends a screenshot and account details from usvisascheduling.com pages to app.checkvisaslots.com.

Tests websites for SEO, page speed, and web security issues across many pages.

This extension makes scrolling smoother on HTTP and FTP pages.

Play a colorful Rubik’s Cube puzzle in a quick-launch Chrome popup.

VIPRE URL Filtering sends HTTPS page URLs and headers to its local native security host.

CSFloat Market Checker lets allowed Steam Community and CSFloat pages read its cached Steam Web API token from extension storage.

Clears cache and selected browsing data with one click or the F9 shortcut.

CF Analytics fetches the viewed Codeforces profile's submission history via the public Codeforces API and renders problem-rating and tag charts locally.

CFCA CryptoKit.CIB Extension forwards caller-supplied native host names without validation, allowing any authorized origin to connect to arbitrary native messaging hosts.

This extension lets you set a custom browser geolocation value for websites.

This extension changes the timezone reported in Chrome while you browse.

Chatwait shows ads after you submit prompts on AI chat sites and reports ad activity and the site hostname to its servers.

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

ClickFix Block detects and blocks ClickFix social-engineering prompts on most web pages, and exposes its settings to any page via an open external-messaging channel.

This extension changes your voice for web apps that use your microphone or audio capture device.

CocoShot lets any website request and receive your camera and microphone device list through its permissions page.

PDF to Word uploads the opened PDF to ZonePDF servers when you start a conversion.

ČSOB Electronic Signature reads session cookies from CSOB and ICA banking pages and forwards them to a local native PKI service.

Citavi Picker sends OAI publication identifiers to CORE when searching for downloadable PDFs.

Gets the CSS applied to a selected web element and its descendants in one click.

View the CSS code used for specific elements on a web page.

Calendar Dark Mode can load Google Fonts when its optional monospace font add-on is enabled.

Adds a real-time timer and time-limit alerts to Google Meet calls.

Canvas+ sends its settings and install metadata to a Google Forms survey after a user clicks the survey prompt.

Adds rating-change and performance columns to Codeforces ranklists.

Makes thin website text darker and easier to read in Chrome.

Redirects Bing search requests to a search engine you choose.

Citrix Secure Access logs every site you visit and can relay clipboard content to your IT admin's Citrix gateway.

Clari Groove reads the content of Gmail emails and Google Calendar events and sends them to its backend to log activity in Salesforce.

Automatically removes tracking elements from URLs as you browse.

Color by Fardos sends all link URLs from every HTTPS page to admitad.com and replaces them with affiliate tracking links.

Control de URLs para nebulaCERTagent sends the active or pending tab URL to its native messaging host.

Automatically clears cookies and other site data after tabs are closed, with whitelist and greylist controls.

This extension lets users view, edit, import, export, and delete cookies for the current page.

CrankWheel reads contact fields from your open CRM record and sends the screen-shared tab's URL to its own servers.

The extension mints a token from your Crunchyroll session and sends your watch history, profiles, and subscription data to me3x.online.

Records browser videos with automatic cursor-focused zooms and pans.

Sets a custom page or local file to open whenever you create a new Chrome tab.

Chrome Mask fetches a Chrome version number from a third-party server and injects it into request headers on user-whitelisted sites.

This extension makes X/Twitter’s timeline more chronological and hides selected algorithmic and distracting UI elements.

CatalyzeX sends page URLs, paper titles, and arxiv IDs to its servers on every academic page visit, and links this activity to authenticated user accounts via Mixpanel.

This extension enables selecting and copying text on websites that block it.

CF-Predictor reads every contestant handle from a Codeforces standings page and sends them to its own server to compute rating predictions.