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MAC Address Generator & Formatter

Generate random unicast/multicast MAC addresses with colon, hyphen, or Cisco notation.

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How to Use MAC Address Generator & Formatter

  1. Choose separator style and uppercase/lowercase format.
  2. Select the batch quantity (up to 25 MAC addresses).
  3. Click "Regenerate" and copy the generated list.

Frequently Asked Questions

What notation styles are available?

Standard Colon (00:1A:2B:3C:4D:5E), Hyphen (00-1A-2B-3C-4D-5E), Cisco Dot (001a.2b3c.4d5e), and raw uninterrupted hex.

Sources & References

Primary references: W3C Web Cryptography API; ECMAScript Language Specification.

Review policy: references and behavior notes are checked whenever the tool implementation changes.