Text Encryptor
Protect a text note with authenticated AES encryption and a passphrase.
Processing stays in your browser. Uses the same AES-256-GCM envelope as AES Encryption. A strong unique passphrase matters; forgotten passphrases cannot be recovered.
How to use the text encryptor
Protect a text note with authenticated AES encryption and a passphrase. Complete the text or encrypted envelope, passphrase, operation fields above, or upload a UTF-8 text file for the first field. Choose Run tool, review the output, then copy or download the result.
Example
Save the encrypted envelope and use Decrypt with the original passphrase to restore the note.
Good to know
Uses the same AES-256-GCM envelope as AES Encryption. A strong unique passphrase matters; forgotten passphrases cannot be recovered.