AES-CBC 100% In-Browser · Zero Server Uploads

AES-128-CBC Encryptor & Decryptor

Encrypt and decrypt using 128-bit AES in CBC mode with PKCS#7 padding client-side.

100% In-Browser WebCryptoZero network telemetry. Secrets never leave your device.

AES-CBC

Input Text

Ciphertext

1 How to Use AES-128-CBC Encryptor & Decryptor

1. Enter message.
2. Encrypt with key.
3. Copy result.

⚙️ Cryptographic Specifications

Algorithm: AES-CBC
Execution Engine: Web Cryptography API (SubtleCrypto)
Environment: Client Browser Sandbox
Network Telemetry: 0 Bytes (Zero Server Transmission)

🛡️ Security & Compliance

Enterprise developers can safely execute this tool with production secrets. Because execution takes place entirely within your browser's local V8 JavaScript runtime, no payloads are transmitted over HTTP, cached on third-party proxies, or stored in server logs.

Verified Safe for SOC2, HIPAA, and GDPR developer compliance audits.

Frequently Asked Questions

How is IV handled?

A random 16-byte initialization vector is prepended to the ciphertext.

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