Email header inspector

Inspect the routing data inside an EML.

Open the saved message directly on the Headers tab to review Received lines, authentication results, message IDs, and MIME metadata.

Free · private · no uploads · no account

Drop an email to inspect its headers

Drop it here or choose it from your computer.

MSGEMLEMLXWINMAIL.DATMBOX

Processed locally. Your file never leaves this browser.

How it works

Three steps. No detour through a server.

  1. 1Drop the EML
  2. 2Review parsed headers
  3. 3Open Source for the original message

Header values remain on your device

Folded headers are decoded by the MIME parser

Raw source is never sent to analytics

Straight answers

Common questions

Can headers prove who sent an email?

Headers provide routing and authentication evidence, but they should be interpreted together and can contain spoofed fields.

Does this tool make a security verdict?

No. It exposes the data without making an unsupported threat claim.