MAC Address Format Converter

What is a MAC Address Format Converter?

Reformat MAC address notation formats instantly: Colon separated (`00:11:22:33:44:55`), Hyphen separated (`00-11-22-33-44-55`), Cisco Dot notation (`0011.2233.4455`), or Bare Hexadecimal (`001122334455`) with uppercase/lowercase case controls.

Why Use This Tool?

  • Cisco Switch Configuration: Convert standard colon MAC addresses into Cisco dot notation (`0011.2233.4455`) for CLI commands.
  • Database Standardization: Normalize MAC address formats before inserting records into SQL databases.
  • Bulk Batch Conversion: Reformat lists of hundreds of MAC addresses in one click.

How to Use

  1. Paste MAC address string or list of MAC addresses.
  2. Select Target Format (Colon, Hyphen, Cisco Dot, Bare Hex) and Letter Case (Upper/Lower).
  3. Copy converted MAC address list.

Real Working Example

Input:

Input MAC: 00-11-22-33-44-55 | Target: Cisco Dot | Case: Lowercase

Output Result:

Converted MAC: 0011.2233.4455

Important Technical Details & Standards

  • Regex MAC Extraction: Strips non-hex characters and extracts raw 12-character hex strings.
  • Bulk Line-by-Line Processing: Reformats hundreds of MAC addresses simultaneously.
  • Local Memory Execution: Zero network overhead.

Related Networking & Security Tools

Frequently Asked Questions

What is Cisco Dot MAC address format?

Cisco Dot format groups 12 hex characters into 3 groups of 4 separated by dots (e.g. 0011.2233.4455).

Can I convert multiple MAC addresses at once?

Yes, paste a multi-line list to reformat all MAC addresses in batch.

Is it free?

Yes, 100% free.

Can I change character case between UPPERCASE and lowercase?

Yes, toggle uppercase or lowercase output.

Is my MAC address list private?

Yes, conversion runs 100% locally inside your web browser.