SecretDecoder

SecretDecoder is a powerful and easy-to-use tool for encrypting and decrypting text using a variety of cryptographic algorithms.

Whether you're learning about security, protecting personal data, or just experimenting, SecretDecoder offers the tools you need.

🔐 Supported Algorithms

Symmetric Encryption: ChaCha20, AES, Blowfish, 3DES, DES

Asymmetric Encryption: RSA

Hash Functions: BLAKE2, SHA-512, SHA-256, SHA-1, MD5

Classical Ciphers: Caesar, Reverse, Vigenère

Encodings: ASCII, Hex, Unicode, Base64, URL

📝 Secure Notepad

Save encrypted notes

Editable titles and content

Fixed keyboard/line break bugs

🌍 Multilingual Support

Automatically displays UI in English or Korean

⚙️ Features

Lightweight and offline-friendly

User-friendly design


Try SecretDecoder now and take control of your text security!