Browser extensions starting with C
907 browser extension security reviews, listed by name.
Crystal Ball - Automated Annotations and Insights
GAannotations - Crystal Ball
CleanCrystal Ball sends dashboard date ranges and property selectors to app.crystalballinsight.com.
Ctrl+Tab MRU
Daniel Calliess
MediumCtrl+Tab MRU inserts current-window tab titles and tab IDs into the active webpage DOM.
Currency Exchange Rate
developmentbycores · Household
LowCurrency Exchange Rate embeds an Open Exchange Rates API key in its popup code.
Cursor Traveler: mouse move counter
Dmytro Filipenko · Fun
CleanCursor Traveler: mouse move counter measures mouse movement on every page and stores daily distance totals locally.
Công cụ đặt hàng của Order hàng Taobao
Gobiz Ext Developer
MediumThe extension sends shopping-page product details and product links to Gobiz and Sabomall services.
cURL & WS Capture
hieunv.real
CleancURL & WS Capture records matching HTTP and WebSocket request details locally after users grant all-URLs access.
close_tab(s)
bulent · Functionality
Lowclose_tab(s) lets webpage-triggered injected controls close the current tab or neighboring tabs.
closed caption - dual subtitle viewer
Takhyun Kim · Accessibility
Cleanclosed caption - dual subtitle viewer sends caption text to Google Translate when subtitle translation is enabled.

Carbonalyser
The Shift Project
CleanCarbonalyser records per-site response byte totals locally while its user-started traffic analysis is running.

CookieBlock
CookieBlock Team
CleanCookieBlock loads a GitHub known-cookie list that can affect how it classifies and removes cookies.

Custom Style Script
Milen
CleanCustom Style Script injects user-configured JavaScript or remote script URLs into pages that match saved rules.

CR-Unblocker
めがねこ
CleanCR-Unblocker routes non-static Crunchyroll browsing requests through a bundled community SOCKS proxy.

Contextual Google Image Search
grue
CleanContextual Google Image Search sends selected images or image URLs to Google for reverse-image searches.

CardPointers X
CardPointers
MediumCardPointers X sends Bank of America SAMLResponse and RelayState values to ui-api.tripleup.dev during deals setup.

Cleanplaats Marktplaats filter
Cleanplaats
LowCleanplaats Marktplaats filter stores marketplace listing IDs you view in local extension storage.

CapturePage
Firefox user 14322961
CleanCapturePage captures the current page when you click it and can include the page URL or title in the saved filename.

Pinned ChatGPT
ChatGPT
MediumPinned ChatGPT injects hidden affiliate iframes on whitelisted sites and sends the current site URL to trendupdeal.com.

Chatterino Native Host
Daniel Schnabel
CleanChatterino Native Host sends Twitch channel names and chat layout details to the local Chatterino app.

Ai Chat everywhere
khashayar
LowAi Chat everywhere removes browser history entries for AI services when its background script runs.

Copy On Select
spyrosoft
CleanCopy On Select automatically copies selected text from HTTP and HTTPS pages to the system clipboard.

Rakuten Cashback: Browser-Erweiterung
Rakuten France
CleanRakuten Cashback sends visited merchant and search-result hostnames to Google Analytics during cashback prompt events.

Circle reader
染河
MediumCircle reader sends account tokens and synced reading data to circlereader.com over cleartext HTTP.

Chatslator: Livestream Chat Translator
0xHPZ
CleanChatslator sends supported livestream chat messages to Google Translate for automatic translation.

CPH Submit
Divyanshu Agrawal
CleanCPH Submit polls a local companion app and submits saved source code to programming contest sites.

Content Farm Terminator
Danny Lin
LowContent Farm Terminator exposes a web-accessible sandbox that makes credentialed fetches to caller-supplied URLs.

Conversion Plus
Converter
CleanConversion Plus sends Google search terms and persistent extension identifiers to conversionp.azurewebsites.net after consent.

Clearly Reader
Lesslab
CleanClearly Reader sends the current page URL to trk.lesslab.net when you create or remove highlights.

CouponCabin Sidekick - Coupons & Promo Codes
CouponCabin.com
CleanCouponCabin Sidekick sends merchant page URLs, coupon codes, and order totals to CouponCabin when applying coupons.

Hero Citation Generator
PlagiarismCheckerX
CleanHero Citation Generator sends citation URLs and manually entered citation form fields to plagiarismcheckerx.com.

Cross Domain - CORS
Mai Tan
CleanCross Domain - CORS rewrites response headers so non-credentialed cross-origin reads are broadly allowed.

Capital Koala
Capital Koala
MediumCapital Koala sends login credentials to its API with the password embedded in the request URL.

Coles Trend
Data Holdings Group
LowColes Trend sends viewed Coles product metadata and store selection data to its API.

Reverse Image Search
Jeremy Schomery
CleanReverse Image Search sends a user-selected page capture to Google Images or TinEye for reverse image search.
C2PA Content Credentials
Digimarc Labs
CleanC2PA Content Credentials sends resized page images to Digimarc SBR when watermark checking is enabled.
C3C FBState Utility
hoangquangtuong
CleanC3C FBState Utility reads Facebook authentication cookies into fbstate JSON and can replace them from imported files.
CANVO - Advanced Image Editor
CA · Household
LowCANVO - Advanced Image Editor opens an install page that embeds a remote HTTP iframe from canv3app.chrome-app-ext.online.
CF FetchCodes
sayanpauldeveloper
CleanCF FetchCodes imports Google Fonts when it injects its Codeforces problem-page stylesheet.
CFCA CertEnrollment SMB Extension
smb
CleanCFCA CertEnrollment SMB Extension lets approved Suning Bank pages relay requests to a local native messaging host.
CFCA CertEnrollment.ESUNBank Extension
esunbankiosdeveloper
CleanCFCA CertEnrollment.ESUNBank Extension lets approved ESUN Bank pages connect to and message local native apps.
CFCA CertEnrollment.Hebgyl Extension
Hebgyl
LowCFCA CertEnrollment.Hebgyl Extension lets allowed websites choose a native messaging host and send arbitrary JSON to it.
CFCA CertEnrollment.QDCCB Extension
CleanThis extension lets Qingdao Bank business systems use X509 certificates from a USBKEY in Chrome.
CFCA CryptoKit.CFAE Extension
北京金融资产交易所
CleanCFCA CryptoKit.CFAE Extension lets allowlisted external sites invoke its native messaging bridge.
CFCA CryptoKit.ESUNBank Extension
esunbankiosdeveloper
CleanCFCA CryptoKit.ESUNBank Extension relays messages from ESUN Bank pages to a local native messaging host.
CFCA CryptoKit.HANABANK Extension
hanacnchannel
LowCFCA CryptoKit.HANABANK Extension lets allowed Hana Bank pages send payloads to a selected native messaging host.
CFCA CryptoKit.SSIB Extension
spd-svbank
CleanCFCA CryptoKit.SSIB Extension lets approved SSIB and localhost pages connect to a native messaging host.
CFCA CryptoKit.sge Extension
SGE
LowCFCA CryptoKit.sge Extension lets allowed SGE sites choose a native messaging host and send it funcInfo messages.
CFCA MessageEncryption.SGE Extension
SGE
CleanCFCA MessageEncryption.SGE Extension lets allowed SGE and CFCA sites relay selected messages to a native app.
CFCA SecEditCtl.HANA Extension
hanacnchannel
LowCFCA SecEditCtl.HANA Extension lets HanaBank pages relay messages to a native messaging host.
CFCA SecEditCtl.SSIB Extension
spd-svbank
CleanCFCA SecEditCtl.SSIB Extension lets approved bank and localhost pages relay messages to a native CFCA host.
CFCA SecEditCtlAdv.ICBC Extension
icbcmobilebanking
LowCFCA SecEditCtlAdv.ICBC Extension lets ICBC web pages send caller-controlled messages to its native bridge.
CG - Claude™ on google™
Singularity Labs
CleanThe extension sends Google search queries to Claude to generate an answer card on results pages.
CMDK - Read Receipts, Split Inbox, Hotkeys & Reminders for Gmail
simplehuman.email
CleanCMDK adds Gmail read receipts by inserting a tracking pixel and saving sent-message metadata.
CNFans Warm Remover
CleanCNFans Warm Remover rewrites scoped shopping product URLs to add affiliate referral codes.
CNFans helper - RepCartel
LowCNFans helper - RepCartel rewrites CNFans product URLs to use its referral ID.
CNfans Modal Remover
ebhoerger
MediumCNfans Modal Remover rewrites CNFans product and account URLs to 2024 subdomains and adds affiliate ref=56000.
COOKmate
Maadinfo Services · Household
CriticalCOOKmate sends the active tab's URL and full cookie string to www.cookmate.online when its popup imports a site.
CPI Lens: SAP Integration Suite Inspector
riteekk1997
CleanCPI Lens sends SAP CPI simulator payloads and Groovy scripts to groovyide.com for execution.
CRX Downloader & Reviews Exporter
Reforgeextensions Team
LowCRX Downloader & Reviews Exporter sends download and review-export telemetry with a persistent extension UUID to Alibaba Log Service.
CS2 Profile Stats
CleanCS2 Profile Stats sends viewed Steam profile IDs to CS2 statistics services to show player stats.
CSDN-猿了个源
CleanCSDN-猿了个源 sends CSDN page and download URLs with your extension token to chatgpt.byabstudio.com.