Browser extensions starting with K

Kakobuy+ sends the current product page URL to gateway.plug4.me when you click its Plug4 search button.

Kameleoon Graphical Editor lets pages trigger browser header changes that remove frame protections and spoof User-Agent.

Kansas City Chiefs Wallpaper sends your Chrome top-sites URLs to Google's favicon service on the new-tab page.

Kastle treats wallet requests from embedded frames as if they came from the connected parent site.

Keep uploads saved pages and bookmarks, including URLs, titles, and extracted page content, to the configured Keep API.

Keptab copies saved tab URLs and titles into Chrome history entries when users save tab lists.

KeyBypass sends user-submitted URLs to its API for link bypassing.

Keyword Blocker monitors page titles, URLs, and YouTube metadata for blocked keywords and stores matches locally.

Ki a Tulaj sends matching real-estate page URLs to frontend.realmonitor.hu to identify owner-listed ads.

Kindle Cloud Reader to PDF Downloader captures canvas and Kindle-style page images from the active website when you click Scan Pages.

Kindle2PDF sends captured Kindle book titles and stored payment email addresses to analytics endpoints.

King Von Live Wallpaper sends saved new-tab shortcut URLs to Google's favicon service.

Kitap Kurdu sends its stored member ID and selected book categories to kkx.kitapyurdu.com for recommendations.

Klarna Creator Platform sends the active tab URL to creator.klarna.com when you open its popup.

Kleo Assistant sends selected page content to Kleo's backend when you save a swipe file.

Koenigsegg Jesko Live Wallpaper sends saved shortcut URLs to Google's favicon service.

Komentaire Extension sends Amazon product IDs and page URLs to its Komentaire CDN endpoint.

Kuponer.cz lets any website trigger hidden background tabs to URLs supplied through its content-script message relay.

Kwanko toolbox sends failed-login API keys to Google Analytics as an event label.

KittyCursor bundles GiveFreely affiliate code that runs on every page and reports the URLs you visit to events.givefreely.com.

Kohl's Coupon Finder sends the domain of every site you visit to its own backend to check for a matching cashback merchant.

This extension helps teachers give verbal feedback and reusable resources on student work.

Annotate PDFs and documents with classroom tools for feedback, collaboration, and assessment.

Encrypts your internet connection through a VPN for browsing on Wi‑Fi, mobile data, or other networks.

Temporarily keeps a Chrome OS device awake or leaves power-saving behavior unchanged.

Opens matching Amara subtitling or Khan Academy video pages for supported Khan Academy videos.

This extension provides access to Raz-Kids eBooks and eQuizzes for student reading practice.

Supports students in reading, understanding, and demonstrating knowledge of learning materials.