encryption Tools

AES Encryption Tool

AES Encryption Tool encrypts and decrypts text in your browser using AES-256-GCM with a passphrase-derived key. Free, fast, and completely private.

Client-sideRuns entirely in your browser — your data never leaves your device.

AES Encryption Tool is a free encryption Tools utility that runs entirely in your browser — nothing you enter is uploaded.

Input
Output

How to use AES Encryption Tool

  1. Drop your text into the field at the top of AES Encryption Tool.
  2. Tune the Mode, Passphrase controls before you process.
  3. Hit Show — the processed output appears below at once.
  4. When it looks right, Copy to save it.

About this tool

Everything AES Encryption Tool does happens on your own device. AES Encryption Tool handles your input locally and returns the result instantly, with no sign-up.

It is designed to do one job well and stay out of your way. No data is sent anywhere, so it stays fast and private by default.

Frequently asked questions

How do I use AES Encryption Tool?

Use AES Encryption Tool to process your input without installing anything using the Mode, Passphrase controls; everything happens client-side.

Is AES Encryption Tool free to use?

Yes — AES Encryption Tool is completely free, with no usage limits.

Is my input private in AES Encryption Tool?

Yes — your input never leaves your device; AES Encryption Tool does all the work in your browser.

Does AES Encryption Tool work offline?

Once the page has loaded, AES Encryption Tool keeps working with no network connection.

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