Browser extensions starting with K

Kami removes a cross-origin security header from Google Classroom pages to enable its document integration.

Kaspersky Password Manager reads form fields on every page and routes credentials and passkey operations through a local native host.

Stores passwords, passkeys, 2FA codes, files, and payment cards in an encrypted digital vault.

Keep Awake your System or Display can auto-open a server-specified URL in a new tab on every browser startup, with no click required.

This extension lets the browser use KeePassXC to fill saved passwords into websites.

Kaspersky Protection 2021 forwards browsing URLs, form credentials, and cookies to the local Kaspersky desktop app via native messaging.

Keepa scrapes Amazon product data from browsed pages and transmits it over a persistent WebSocket to keepa.com servers.

K7 Webprotection sends search-result URLs from Google, Bing, and Yahoo pages to a local K7 service for site-rating checks.

Creates Knowt study materials from Quizlet sets, notes, videos, PDFs, and articles.

KeePassXC-Browser reads form credentials and passkeys on all websites and routes them to the local KeePassXC desktop app.

KISS Translator reads visible text from pages you translate and forwards it to a third-party service, by default Microsoft Translator.

This wallet helps users track coins, tokens, and NFTs in Kaia Wallet.

Keeps the screen on or prevents the system from sleeping from a toolbar toggle.

Kimi WebBridge lets a local WebSocket service issue browser automation commands through Chrome debugger access.

This extension adds Kaspersky browsing protections, including site warnings, anti-banner blocking, and payment protection.

Researches Amazon book markets, competitors, categories, and keywords for self-publishing decisions.

KeyController Plugin forwards visited page and frame URLs to its local native messaging host.

Read Kindle books in the browser with syncing, notes, highlights, and offline reading options.

Kaspersky Protection 19.0 forwards all HTTPS request headers, password hashes, and full page DOM to the locally installed Kaspersky product.

This extension helps users quickly find a working mirror for kinozal.tv.

Krisp records Google Meet call audio and transcripts and uploads them to Krisp's servers, and rewrites YouTube's content-security-policy.

KDP Spy by Book Bolt sends selected Amazon product metadata to BookBolt when you save products.

Warns about deceptive and hacked websites and supports more secure password management.

Keeps a Chrome OS device awake by switching between screen-on, system-awake, and normal power modes.

This extension shows related keyword suggestions under search boxes on Google, YouTube, Amazon, eBay, and Etsy.

Play a tower defense game set across deserts, jungles, and the underworld.

KasWare Wallet exposes the unlocked current wallet address to every visited page through its injected provider.

Kaspersky Password Manager reads page DOM and form fields on all sites and routes credential data to the local Kaspersky KPM desktop app via native messaging.

Keeper Password Manager stores, autofills, and manages credentials across all websites and supports enterprise SSO authentication.

This extension helps users discover popular and relevant keywords for website research.

Adds an AI study sidebar for homework help, writing support, summarizing, translating, and text rewriting on webpages.

Kimi Copilot sends the URL of each page summarized by the user to PostHog's analytics service alongside a persistent anonymous ID.

Klarway continuously captures screen video, webcam footage, and audio during exams and transmits them to its backend, while broadcasting session credentials to all page scripts.

Kee captures form credentials from every web page and disables the browser's built-in password manager.

Knockoff - Amazon Brand Filter fetches remote brand lists and sends user-submitted Amazon product reports to its API.

KaTeXGPT adds copy buttons that read equation content from supported AI chat pages and place it on your clipboard.

Kakadu VPN: One Family routes browser traffic through a Kakadu-provided HTTP proxy when VPN mode is connected.

KarmineCorp sends a persistent extension identifier and selected notification preferences to api2.kametotv.fr.

Kasm - Open In Isolation sends selected text or link URLs to the user's configured Kasm workspace.

KeyGuard Web Secure sends search terms to KeyGuard search and suggestion endpoints.

Kimi 阅读助手 can send tab URLs from its web-accessible sidepanel to apphunt.site.

Kiosk Extension writes its plaintext admin unlock password into a visible page element, readable without logging in.

Kleinanzeigen-Enhanced sends marketplace page URLs with a persistent installation ID to tracking.kleinanzeigen-enhanced.de.

Kolr - AI Influencer Analytics Tool encrypts and uploads social-platform cookies to Kolr's lookup API.

Konode syncs bookmarks, and optionally browsing history and open tabs, to a cloud backend the user configures and authenticates to.

Kwai Pixel Helper removes CSP and X-Frame-Options headers from every sub-frame response and rewrites frame user agents.

KDP Miner sends your Chrome profile identity ID and a persistent user ID to kdpminer.com when scraping starts.

KISer Web Clipper sends saved page and product details to kislist.com when you save an item.

Kakobuy+ rewrites Kakobuy page URLs to include the hardcoded stannie affiliate code.

This extension provides a client certificate component for BUSINESS 24 Internetbanking.

KWS Everywhere sends Google search terms and keyword-metrics settings to kwseverywhere.com.

Kick.com & Twitch.tv VOD Downloader sends each completed tab URL to ext.kick-video.download as analytics telemetry.

Komoot extension sends Komoot user and tour telemetry to komoot-extension.vercel.app when users view tour pages.

Kontos has no confirmed data-sharing findings in the reviewed scan.

Karma navigates inactive Facebook profile tabs to read a birth year and send it to www.karmanow.com.

Kawaak ships a hardcoded Captain Data API key and project ID inside its extension bundle.