Lumarc DevTools

Generator Tools

Secure Password Generator

Generate strong random passwords locally with browser cryptography.

Processed locally — your data never leaves this browser. Input: Options Output: Generated password
Options

Processed locally — your data never leaves this browser.

Generated password

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Example input and output

Default settings

Length: 20, mixed characters
A generated 20-character password

How to use Secure Password Generator

Paste or enter your options, adjust any options, then run the tool. The result appears in the output panel where you can copy or download it.

Related guides

What this tool does

The Secure Password Generator creates passwords using crypto.getRandomValues and configurable character sets. It is free to use and designed for technical workflows where pasted data should stay private.

Common use cases

  • Create account passwords
  • Generate temporary credentials
  • Produce secrets for local testing

Privacy and security

Processed locally — your data never leaves this browser. Lumarc DevTools does not include a backend, account system or hidden analytics in this initial release.

Limitations

  • A password manager is recommended for storing generated passwords safely.

Frequently asked questions

Are generated passwords sent anywhere?

No. Password generation happens locally and values are not stored.