AES Encryption Tool
Encrypt and decrypt text using AES-256 encryption
GCM provides authenticated encryption - it detects if the ciphertext has been tampered with. Recommended for most use cases.
Press Ctrl + Enter to encrypt.
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What is AES Encryption Tool?
Free online AES encryption tool to encrypt sensitive text using AES-256-GCM encryption with a password of your choice.
Decrypt previously encrypted messages by entering the same password. Uses the Web Crypto API for secure, browser-native cryptography. Output is Base64-encoded for easy sharing. Your data and password never leave your browser. No signup required.
How to Use AES Encryption Tool
- 1Enter the text you want to encrypt
- 2Set a strong password (both parties need this)
- 3Click Encrypt to get the Base64-encoded ciphertext
- 4To decrypt, paste the ciphertext and enter the same password
Frequently Asked Questions
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