Blowfish Encryptor & Decryptor
Encrypt and decrypt text using Bruce Schneier's classic Blowfish symmetric block cipher with variable key lengths up to 448 bits.
1 How to Use Blowfish Encryptor & Decryptor
- 1. Enter text.
- 2. Enter key.
- 3. Copy ciphertext.
⚙️ Cryptographic Specifications
- Algorithm
- Blowfish
- 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
Who created Blowfish?
Renowned cryptographer Bruce Schneier in 1993 as a general-purpose replacement for DES.
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