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AES Encryption and Decryption

Encrypt and decrypt text securely using AES (Advanced Encryption Standard). Client-side tool for protecting sensitive messages. Fast, free, and private.

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Processed 100% locally in your browser. Your files never touch an external server.

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100% Client-Side PrivacyNo File Size LimitsFree Forever

About AES Encryption and Decryption

FusioFiles 100% Client-Side Privacy Guarantee

Your files and data never leave your browser — processed directly on your device.

Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.
HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.
Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.
Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.
1

Select Mode

Choose whether to encrypt or decrypt your data.

2

Apply Cipher

Select the AES block size and feedback mode (CBC/GCM).

3

Enter Key

Provide the secret key and IV to process the information.

Secure your messages with AES (Advanced Encryption Standard). specific text and a secret passphrase to produce secure ciphertext. You can also decrypt previously encrypted messages if you possess the correct passphrase. This tool is perfect for sending private notes or storing sensitive data securely. We use standard AES implementation via crypto-js. All operations happen in your browser, so your secrets never traverse the internet.

Key Features

Strong Encryption

Uses AES (Advanced Encryption Standard) for robust security.

Two-Way

Encrypt text to cipher and decrypt cipher back to text.

Zero Knowledge

We never see your data or your passphrase.

Instant Results

Fast encryption/decryption directly in the UI.

Frequently Asked Questions

AES is a strong standard. However, for storing passwords, hashing (like Bcrypt) is recommended over reversible encryption.

AES is secure encryption. Without the correct passphrase, the data cannot be recovered.

No. Everything is processed locally on your device.

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