AES / RSA Encryption
Encrypt and decrypt text with AES or RSA. Generate keys, sign and verify — all in your browser.
About AES / RSA Encryption
AES / RSA Encryption lets you encrypt and decrypt text using industry-standard AES and RSA. Protect a message with an AES password, exchange RSA public keys, or digitally sign and verify text. Nothing is uploaded — every key and encryption step happens on your device.
Features
- Encrypt and decrypt text with a password using strong AES (128 or 256-bit)
- Generate RSA key pairs (2048 or 4096-bit)
- Encrypt and decrypt with RSA public and private keys
- Digitally sign text and verify signatures
- All encryption happens on your device — nothing is uploaded
How to use AES / RSA Encryption
- 1Choose the AES or RSA tab.
- 2Enter your text and a password, or generate or paste an RSA key.
- 3Click Encrypt, Decrypt, Sign, or Verify.
- 4Copy the result to your clipboard.
Frequently asked questions
- Is my text or key sent to a server?
- No. All encryption and decryption run on your device, so nothing is uploaded.
- How strong is the encryption?
- It uses industry-standard AES and RSA, the same families of algorithms used to secure data across the web.
- Can I share encrypted messages with someone else?
- Yes. Use RSA: share your public key so others can encrypt to you, and keep your private key to decrypt.