No recovery. The password is the only key — there is no backdoor or reset. If you lose it, the note is gone for good. Keep the encrypted text and the password stored separately, and remember the strength depends on how strong your password is.
Encrypt a note with a password using AES-256-GCM, right in your browser — then decrypt it later or share it through an untrusted channel. Nothing is uploaded; the password never leaves your device.
No recovery. The password is the only key — there is no backdoor or reset. If you lose it, the note is gone for good. Keep the encrypted text and the password stored separately, and remember the strength depends on how strong your password is.
Type your note, choose a strong password and press Encrypt. Your password is stretched into a 256-bit key with PBKDF2-HMAC-SHA-256 (a random salt and 210,000 iterations make guessing slow), and the note is sealed with AES-256 in GCM mode using a fresh random IV. You get a compact LKAES1… string you can save or send. To read it back, switch to Decrypt, paste the string, enter the same password and press Decrypt — if the password is wrong or the text was altered, it fails safely rather than returning garbage.
Everything runs locally through the browser's Web Crypto API, so your note and password never leave your device. Need a strong password to protect it with? Use the password generator.