happytails.ai

MAC address decoder

Paste a JSON array of MAC addresses.

Process up to 500000 input characters and 20000 records locally. Reports export completely up to 40 million characters and 500000 CSV records. Analysis is local with a 10-second timeout. Preview tables show the first 200 rows; your data is not uploaded. Up to 500,000 characters. Review the settings before running.

Your result

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How to use MAC address decoder
  1. Paste text or JSON in the documented format.
  2. Review the bounded report and explicit assumptions.
  3. Download complete JSON or CSV.

Useful next steps

Know the interpretation limits

Paste a JSON array of MAC addresses. Colon, hyphen and dotted hexadecimal forms are normalized; I/G and U/L bits and a small built-in OUI reference are reported without live lookup.

Keep the complete report

Search and sort apply to the first 200 rows. Download JSON or CSV for every row and the assumptions.