private online notepad
Enter any passphrase above to get started. No account required.
- Private - all of your data is encrypted
- Safe - no cookies, tracking, or ads
- Simple - all you need is your passphrase
- Free - and open source
Use a long, complex passphrase that can't be guessed, and is never used in any song, literature, or media. Short and common passphrases lead to high visibility, and your notepad can be overwritten by anyone who stumbles upon it.
An easy way to get started is to combine your email address with two or more passwords.
For example: email@example.com FirstPassword SecondPassword
Alternately, you can click
to have a secure 8-word passphrase generated for you.
Your notepad is encrypted in your browser before it is sent to our server for storage. We have no way to see your passphrase or the contents of your notepad. If you use a strong passphrase, only you have access to your data.
By using passphrase.io, you are agreeing to our terms of service
. Please keep in mind that your passphrase is case sensitive. If you forget your passphrase, there is no recovery process.
key derivation function (N=218
, r=8, p=1, dkLen=32) to generate a secret key. Your secret key is used to encrypt your notepad using AES256
encryption. The ciphertext (encrypted notepad) is sent along with a SHA256
hash of your secret key to the server for storage. To retrieve your notepad, the SHA256 hash is sent to the server, and the ciphertext is returned. The ciphertext is decrypted using your secret key, revealing your notepad.
Passphrase.io was inspired by the concept of the Bitcoin briainwallet
, which allows you to store money in your brain by memorizing a passphrase.
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