Updated: 2026-07-11
βοΈ Settings
π MAC Address Format Guide
β’ Colon-separated: AA:BB:CC:DD:EE:FF (most common)
β’ Dash-separated: AA-BB-CC-DD-EE-FF (Windows style)
β’ Dot-separated: AABB.CCDD.EEFF (Cisco devices)
β’ No separator: AABBCCDDEEFF (some APIs)
β’ OUI prefix: First 3 bytes identify the vendor
What is MAC Address Generator?
MAC Address Generator is a free online tool that runs entirely in your browser. No download or signup needed β select vendor prefix and count to get results instantly. All data is processed locally.
Use Cases
- Generate random MAC addresses for network testing
- Assign OUI vendor prefixes for virtual machines
- Create MAC addresses for device simulation
- Test network configurations with different MAC formats
Key Features
- Completely Free: No registration, no limits
- Privacy Safe: Data never leaves your browser
- Multiple Formats: Colon, dash, dot, or plain
- OUI Vendor Prefix: Select from common vendors