Which encryption modes are available in this online tool?
You can use AES-256-GCM, AES-256-CBC, and RSA-OAEP for encryption and decryption workflows.
Encryption & Decryption
Separate cryptography section with modern symmetric and asymmetric methods.
Command Console
Use one shared command dropdown across all tools. Unavailable commands are shown as disabled.
Encryption Decryption Tool - AES and RSA Online Security Utilities
This encryption and decryption tool supports AES-256-GCM, AES-256-CBC, and RSA-OAEP, along with hash and Base64 helpers for secure workflows.
How to use this tool
- Select AES or RSA mode based on your use case.
- Enter plain text and keys/passphrase, then click Encrypt or Decrypt.
- Use hash and Base64 utilities for additional security and data transformation tasks.
Best for
Data protection testing, secure messaging checks, and cryptography learning.
Plain Text
Cipher Text / Payload
Passphrase
Hash & Base64 Utilities
Additional cryptography tools: MD5 hash, SHA hash, Base64 encode, Base64 decode.
Encryption Tools FAQ
How do I encrypt and decrypt text securely?
Select the algorithm, enter plaintext and required key/passphrase, then use Encrypt or Decrypt buttons.
Can I generate RSA keys and test them here?
Yes, generate RSA keys in PEM format and use them immediately for RSA encryption and decryption testing.