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AES Encryption

Encrypt text with AES-GCM and a passphrase.

Runs locally in your browser. Your data is never uploaded.

What is the AES Encryption?

Encrypt text with AES-GCM and a passphrase. The AES Encryption is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Cryptography tools on DevNibble such as Hash Generator, MD5 Hash Generator, CRC32 Checksum.

Uses AES-256-GCM with a key derived from your passphrase via PBKDF2 (150k iterations).

How to use the AES Encryption

  1. Paste or type your input.
  2. The result appears instantly.
  3. Copy or download it.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Is the AES Encryption free to use?

Yes — AES Encryption is completely free with no sign-up, no ads and no limit on how many times you can use it.

Is my data private when I use the AES Encryption?

Everything happens locally in your browser. Your input is never sent to a server, which makes AES Encryption safe to use with private or sensitive data.

How do I use the AES Encryption?

Enter your text and key/options, and AES Encryption performs the operation locally without ever sending anything to a server.

Is AES Encryption secure to use?

AES Encryption follows the standard algorithm and runs locally, so your keys and data never leave your browser. Always keep your secret keys private.