Secure your sensitive text with multiple encryption algorithms including AES-256, AES-128, Triple DES, Rabbit, and RC4. All encryption happens locally in your browser.
This tool provides secure encryption for your text and strings using multiple industry-standard algorithms. Choose from AES-256 AES-128 Triple DES Rabbit and more. All encryption happens locally in your browser - your data never leaves your device.
Choose the right algorithm based on your security requirements and compatibility needs:
| Algorithm | Type | Key Size | Security Level | Speed | Best For |
|---|---|---|---|---|---|
| AES-256 Recommended | Block Cipher | 256-bit | ★★★★★ Excellent | ★★★★ Fast | Sensitive data, financial info, passwords |
| AES-128 | Block Cipher | 128-bit | ★★★★ Very Good | ★★★★★ Very Fast | General encryption, balanced security/speed |
| Triple DES | Block Cipher | 168-bit | ★★★ Moderate | ★★ Slow | Legacy system compatibility |
| Rabbit | Stream Cipher | 128-bit | ★★★★ Very Good | ★★★★★ Fastest | Large data volumes, streaming encryption |
| RC4 Legacy | Stream Cipher | Variable | ★★ Weak | ★★★★★ Very Fast | Legacy compatibility only |
The gold standard for symmetric encryption. Adopted by the U.S. government and used worldwide. AES-256 provides military-grade security with PBKDF2 key derivation and random IV for each encryption.
A high-speed stream cipher designed for software implementation. Provides excellent performance for encrypting large amounts of data while maintaining strong security.
Applies DES encryption three times with different keys. While more secure than DES, it's slower and being phased out. Use only for compatibility with older systems.
A legacy stream cipher with known vulnerabilities. Deprecated by most security standards. Included only for decrypting legacy data or compatibility requirements.
Encryption: Select your preferred algorithm, enter your plaintext, optionally provide a custom key, and click Encrypt. The encrypted output includes the algorithm identifier for easy decryption.
Decryption: Paste your encrypted text and provide the same key used during encryption. The tool will automatically detect the algorithm used, or you can manually select it.
🔒 Security Note: For maximum security, use AES-256 with a strong, unique secret key. Avoid RC4 and 3DES for new projects - they are included only for legacy compatibility.