Decrypt AES-256 Encrypted Text Online
Decrypt AES-256-GCM encrypted messages by providing the Base64 ciphertext and the correct password. All decryption happens in your browser - nothing is sent to any server.
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.
Quick Start
- 1Switch to Decrypt mode
- 2Paste the Base64-encoded ciphertext
- 3Enter the password used for encryption
- 4Click Decrypt to reveal the original text
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Looking for FAQs and advanced options? Visit the full AES Encryption Tool page →