AES-256-CBC Encryptor & Decryptor
Encrypt and decrypt using AES-256-CBC (Cipher Block Chaining) with PKCS#7 padding and random initialization vectors in your browser.
1 How to Use AES-256-CBC Encryptor & Decryptor
- 1. Enter plaintext.
- 2. Set password or 256-bit key.
- 3. Copy ciphertext.
⚙️ 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
What is CBC mode?
Each block of plaintext is XORed with the previous ciphertext block before being encrypted.
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