Encrypt / decrypt text

Encrypt a message with a password using AES-256-GCM, and decrypt it again - in your browser, nothing sent anywhere.

Press "Run".

Free · No sign-up · Your files are processed on your device and never uploaded

How to use Encrypt / decrypt text

  1. Fill in a few fields…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Result appears instantly
    2

    Watch the result

    Pick the options you want - the defaults suit most files.

  3. TXTCopy the result
    3

    Download the result

    Ready in seconds. Your file never left your device.

How it works

Fill in the fields and the result updates instantly. Encrypt a message with a password using AES-256-GCM, and decrypt it again - in your browser, nothing sent anywhere.

Private and free

Nothing you type is uploaded or stored. No account, no limits.

Questions

Is it free?

Yes - free and unlimited, with no sign-up.

Is my data sent anywhere?

No. The calculation happens on your device.

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