MAC Address Formatter - Free Online Tool
MAC Address Formatter
Normalize a MAC Address Into Every Common Format
Understanding MAC Address Notation
Vendor-Specific Formats
Cisco devices commonly use dot notation (0050.5601.0203), while most other systems use colons or hyphens.
Config Migration
Convert a MAC address list from one vendor's export format to the notation another system expects.
Log Correlation
Normalize MAC addresses from different log sources into one format so they can be searched and compared consistently.
Client-Side Only
All formatting happens locally in your browser — no data is ever sent to a server.
Same Address, Different Punctuation
A MAC address is fundamentally just 48 bits (6 bytes), and every common notation — colon-separated (00:1A:2B:3C:4D:5E), hyphen-separated (00-1A-2B-3C-4D-5E), Cisco's dot-grouped triplets (001a.2b3c.4d5e), or no separator at all (001A2B3C4D5E) — represents identical underlying data. This tool parses any of these formats and outputs all four simultaneously.
Key Takeaways
- Accepts Any Input Format: Colon, hyphen, Cisco-dot, or plain notation are all recognized automatically.
- All Formats at Once: See the same address rendered in all four common notations simultaneously.
- Client-Side Only: All formatting happens locally in your browser — no data is ever sent to a server.