Passphrase Generator

Draw independent words with unbiased cryptographic randomness from the disclosed 256-word pool. The 256 compound-word pool supplies eight bits per word; repeats are possible.

Free to useNo sign-upRuns in your browser

Enter your details

Enter the inputs, then select Generate passphrase.

Your result

Enter your details

Result will appear here

How Passphrase Generator works

Draw independent words with unbiased cryptographic randomness from the disclosed 256-word pool.

The 256 compound-word pool supplies eight bits per word; repeats are possible. The result shows the pool size and theoretical sampling entropy. Keep the passphrase in your password manager.

Concept diagram for Passphrase Generator, showing words in passphrase input and the supported output. — Concept diagram; the three operation images are actual browser captures.

How to use Passphrase Generator

Start with your own input.

Enter words in passphrase

Replace the example with your words in passphrase.

Generate passphrase

Passphrase Generator: input and settings in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

Set the options

Set word separator.

Generate passphrase

Passphrase Generator: tool result in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

Run and check the output

Select Generate passphrase. Review a random multiword passphrase, then use Copy result or download the result file.

Generate passphrase

Passphrase Generator: review the details in the implemented browser tool — Actual local browser view. Open the image to read it at full size.

When to use Passphrase Generator

Create a readable random secret

To create a readable random secret, start with words in passphrase. Draw independent words with unbiased cryptographic randomness from the disclosed 256-word pool.

Generate passphrase

Developer input and configuration represented by document cards. — Prepare the input. Concept illustration.

Generate a test passphrase

To generate a test passphrase, start with words in passphrase. The 256 compound-word pool supplies eight bits per word; repeats are possible.

Generate passphrase

A developer example flowing from input to reviewed output. — Inspect an example. Concept illustration.

Compare phrase lengths

To compare phrase lengths, start with words in passphrase. Review a random multiword passphrase, then use Copy result or download the result file.

Generate passphrase

Developer output handed to the next stage of a workflow. — Use the result in your workflow. Concept illustration.

How to read the result

Check what the output means.

A random multiword passphrase. Draw independent words with unbiased cryptographic randomness from the disclosed 256-word pool.

The 256 compound-word pool supplies eight bits per word; repeats are possible. The result shows the pool size and theoretical sampling entropy. Keep the passphrase in your password manager.

Generate passphrase Generate passphrase

A developer result reviewed alongside its source. — Review the returned output. Concept illustration.

Supported input and limits

Check the format before processing.

The 256 compound-word pool supplies eight bits per word; repeats are possible. The result shows the pool size and theoretical sampling entropy. Keep the passphrase in your password manager.

Inputs and results are handled in this browser.

Generate passphrase Generate passphrase

Input format and assumptions reviewed for a developer task. — Check format and assumptions. Concept illustration.

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Generate passphrase with your input

Review a random multiword passphrase, then use Copy result or download the result file.

Generate passphrase

Passphrase Generator: common questions

Answers about using Passphrase Generator and understanding its results.

What does this tool support?

The 256 compound-word pool supplies eight bits per word; repeats are possible. The result shows the pool size and theoretical sampling entropy. Keep the passphrase in your password manager.

Can I save the result?

Yes. Download the result file after processing. Text results also have Copy result. Processing uses local browser code; no account is required.