FKN WebExtension by FKN

FKN is the companion browser extension for the FKN platform (https://fkn.app), a privacy-first platform where the web apps you use can do more in your browser, and the cloud is an option rather than a requirement.

By itself this extension does nothing visible. It is a capability provider: it lets a web app you choose, and explicitly authorize, act on other websites on your behalf, and only ever after you allow it. Think of it as a permission-gated automation bridge between an app you trust and the sites you tell it to work with.

What an authorized app can ask FKN to do for you:
- Embed another website inside the app's own view, and restyle it.
- Read elements on a page (for example, the text or state of a control).
- Act on a page on your behalf: click a button, fill in a field, control video playback.
- Relay your own already-logged-in session into the app (for example, play a video through a subscription you already pay for), without handing the app your password.

You are always in control:
- Anything that touches a site in a way you would notice asks first, in plain language, naming the app and the exact sites it applies to.
- Requests are grouped into four categories, and you answer the category: Interaction (click, type, hover), Site data (read the text and details a page shows), Network (load and send data using your signed-in session), and Evaluation (inject unfiltered styles or code). One approval covers that category on the sites named, so you are asked once instead of once per click.
- You decide, per category, whether to allow it once, for the session, or always.
- Actions with nothing sensitive in them, such as embedding a page in a frame or applying a filtered restyle, run without asking. They are still written to the log.
- Every capability an app uses is written to an on-device activity log (kept 30 days) that you can review, and you can revoke any grant at any time, per app and per category.

Your data, your device:
- The extension has no account, no analytics, and no tracking.
- No remote code: everything, including any WebAssembly, ships inside the package.
- Nothing leaves your device except the specific action you approved, sent to the website it targets. Your permission grants and your activity log stay on your machine.

See it work, with no login and no account, in under a minute. Install FKN, then open:
https://fkn.dev/demos/attach-frame/guided/
That page embeds the real Wikipedia and restyles it, then, after one consent card you approve once, reads the heading, types a search and clicks Search, so you can watch exactly what the extension does and see each action appear in the activity log.

Open source. Privacy policy: https://fkn.app/extension/privacy