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Email Viewer (EML, MSG, MBOX)

Open EML, Outlook MSG and MBOX files, save attachments and export messages as PDF.

Free, no uploads, no sign-up. Runs 100% in your browser.

How Email Viewer (EML, MSG, MBOX) works

EML and MBOX are parsed with postal-mime (MIT-0), Outlook MSG with msgreader (Apache-2.0). The message is sanitized and remote images are blocked until you allow them.

Input: EML, MSG, MBOX. Output: PDF, HTML, Attachments.

How to use Email Viewer (EML, MSG, MBOX)

1. Open Email Viewer (EML, MSG, MBOX) and add your source file (or paste content where offered).
2. Adjust page size, quality or layout options in the side panel.
3. Check the live preview.
4. Convert and download the result.

Tips

• Conversions run entirely in your tab, so very large files depend on your device’s memory.
• For best fidelity, start from the original digital file rather than a scan.

Email Viewer (EML, MSG, MBOX) FAQ

Are my files uploaded?

No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.

Is it free? Are there limits or watermarks?

Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.

Does it work offline?

Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

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• Image to PDF: Combine JPG, PNG and WEBP into one PDF with page-size controls.