AES-GCM Decryption Utility

Secure, Browser-Only Cryptography

Encrypted Payload (Base64)

Secret Key (Base64)

AES-GCM

Operation Error

Decrypted Result Valid JSON IV Prepended

Secure, Client-Side AES-GCM Tool

No Server Calls

Web Crypto API

Local Only

Important: All cryptographic operations are performed locally in your browser. Data never leaves your device.