ToolsFaction Online Tool
MAC Address Generator
Generate random locally administered unicast MAC addresses.
Generate random locally administered unicast MAC addresses in common separator formats.
About This Tool
ToolsFaction MAC Address Generator creates random locally administered unicast addresses using browser cryptographic randomness for testing, lab and documentation workflows.
How to Use
- Choose quantity and separator.
- Generate addresses.
- Copy the output you need.
- Use generated values only in appropriate test or administrative contexts.
Example
Generate ten colon-separated locally administered MAC addresses.
Frequently Asked Questions
Are these vendor-assigned MAC addresses?
No. The generator sets the locally administered bit.
Are they multicast addresses?
No. The multicast bit is cleared.
Can duplicates theoretically occur?
Yes, although random collision probability is low for small batches.
Does it identify real devices?
No.
Free to UseNo hidden fees
No Sign-UpStart instantly
Browser-BasedNothing to install
Privacy FriendlyBuilt for simple use