N
NoData Seal
An application of NoData Capsule — control access to information, with proof.

Sharing that opens only for your recipient.

You seal a file — it's encrypted on your own machine and opens only for the person you meant. No server, including ours, ever sees the content. One click, safe.

⬇ Download for Windows · one click
No admin rights · a quick installer that adds 🔒 Seal to your right-click menu. Encryption happens on your machine — never on the website.
Browser warns "isn't commonly downloaded"?
That's expected — the file isn't signed yet. Next to the download click ⋯ → Keep → Keep anyway, and on first run More info → Run anyway. Once, and that's it.

How it works

1
Right-click a file
Choose 🔒 Seal with NoData from the right-click menu.
2
Choose who can open
A specific person, an access code, or anyone with the link · for how long · how many opens.
3
Send a link
The recipient views it on their side — by default without downloading. Every action is signed.

The promise

  • The file is encrypted on your machine (AES-256). The original never leaves you.
  • No server — including ours — ever sees the content. Only your recipients.
  • Default: view-only, no download. You control who, for how long, and how many times.

NoData Seal · encryption happens on your side · we can't read the file.