Encryption
RSA Encrypt/Decrypt
Generate RSA-OAEP key pairs and encrypt or decrypt short text messages in the browser.
Output
Ciphertext
Keys
RSA key pair
Public key
Private key
FAQ
Questions people ask
Which RSA algorithm is used?
This tool uses RSA-OAEP with SHA-256 through the browser Web Crypto API.
Can RSA encrypt large text?
RSA is designed for short messages or encrypting symmetric keys. Use AES for larger content.
Are keys generated locally?
Yes. RSA keys are generated in your browser and exported as PEM text.
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