Cryptography & Hashes100% In-BrowserRSA-OAEP
RSA Encrypt / Decrypt
Encrypt secrets with an RSA public key and decrypt messages using the matching RSA private key (OAEP).
Real-time processing·No server uploads·Zero telemetry
rsa-encrypt-/-decrypt
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RSA-OAEP Key Pair
Generated with WebCrypto API — never leaves your browser
How to Use RSA Encrypt / Decrypt
01
Paste your RSA Public Key to Encrypt, or Private Key to Decrypt.
02
Enter message text.
03
Process asymmetric encryption/decryption.
Privacy Guarantee
RSA Encrypt / Decrypt runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
What padding scheme is used?
RSA-OAEP with SHA-256 hashing for maximum resistance against chosen-ciphertext attacks.
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