Security & Cryptography

AES Text Encryptor

Encrypt or decrypt text messages using standard symmetric 256-bit AES algorithms. All processing runs locally inside your browser (100% secure).

Plaintext Message

Passphrase / Key

Encrypted Result (Ciphertext)

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100% Private & Client-Side

Your plaintext & passphrase never leaves your browser — not even for a millisecond.

Verified Private

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No Server Transmission All computation runs in your browser. Zero data sent to our servers.

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No Storage We store nothing. No databases, no logs, no cookies with your input.

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Works Offline Once loaded, this tool works even with no internet connection.

Open-source on GitHub — read and verify the exact code powering this tool. View Source Code →