Passphrase Generator

Generate a memorable 12- or 24-word passphrase using cryptographic randomness. Files and text are processed in your browser.

Generate a memorable passphrase

Creates a random BIP-39 English mnemonic with browser cryptographic randomness.

Phrase strength

Generate a phrase to see it here.

Store the phrase securely. Anyone who obtains it can use it; do not use a generated phrase as a wallet recovery phrase unless you understand the wallet’s requirements.

What is Passphrase Generator?

Passphrase Generator is a browser-based utility for generate a memorable 12- or 24-word passphrase using cryptographic randomness.

How to Use Passphrase Generator

1Enter or select your input using the controls below.
2Adjust the available options.
3Preview the result and download or copy it.

How Does Passphrase Generator Work?

The tool processes your input locally in the browser and produces the result without uploading your content to a SunloopMedia server.

Frequently Asked Questions

How is the phrase generated?

It uses cryptographically secure random entropy and the standard 2,048-word English BIP-39 list to create a 12- or 24-word phrase.

Can I use it as a wallet recovery phrase?

The phrase is BIP-39 formatted, but it is not tied to any wallet app or account. Follow the wallet provider’s instructions and store recovery phrases offline and securely.