100% Private & Secure

Free MBOX Converter
Convert to Any Format

Convert MBOX, MBX, and MBS files to EML, EMLX, MSG, PST, PDF, CSV, HTML, TXT, or JSON. Supports Thunderbird, Gmail Takeout, Yahoo, Apple Mail, and more.

9 output formatsBatch file supportThunderbird & Gmail compatibleInstant conversion

Drop MBOX files here

or click to browse · select multiple files

What Is MBOX to PDF Conversion?

MBOX is a format that stores many email messages in one file — used by Mozilla Thunderbird, Apple Mail, and Gmail Takeout. MBOX to PDF conversion turns that mailbox into a single, printable document you can save as a PDF. PDFs are ideal for archiving, sharing, and keeping records that open in any viewer and don’t depend on an email client.

This tool doesn’t generate PDF files on a server. Instead, it builds a printable HTML page that contains all the emails from your MBOX. You then use the Print function and choose "Save as PDF" (or your system’s PDF printer) to create the actual PDF. That way, your data never leaves your device, and you get full control over the final file.

Converting MBOX to PDF is useful for backing up important threads, meeting legal or compliance needs, sharing email content with people who don’t use your mail client, and keeping a long-term archive that remains readable for years. The process is free, processes on your device, and works with MBOX from any source.

Features

Why use the MBOX to PDF converter

Print-ready output

Convert MBOX to a single printable page. Use Print → Save as PDF to create a PDF for archiving or sharing.

Archive emails long-term

PDF is widely supported and stable. Save important mail threads as PDF for legal, compliance, or personal records.

No upload

Conversion processes on your device. Your MBOX file stays on your device — nothing is sent to our servers.

Private & secure

Your mailbox is never uploaded. Ideal for sensitive or work email that you want to archive as PDF privately.

Preview before converting

See email count and a preview of the first messages before generating the printable page and saving as PDF.

Works with any MBOX

Use MBOX from Thunderbird, Gmail Takeout, or Apple Mail. One tool for all sources.

How to Convert MBOX to PDF

Four steps — no install, no sign-up

01
01

Open the MBOX to PDF Converter

Come to this page — PDF is already selected as the output format.

02
02

Drop your MBOX file

Drag and drop your .mbox file or click to browse. Works with Thunderbird, Gmail Takeout, and other MBOX exports.

03
03

Review and choose PDF

Check the email preview. Ensure PDF (or the printable HTML option) is selected for save-as-PDF.

04
04

Convert & save as PDF

Click Convert & Download to get the printable page. Then use Print dialog and choose Save as PDF.

FAQ

Frequently Asked Questions

Common questions about MBOX to PDF conversion

Q1. What is MBOX to PDF conversion?
MBOX to PDF means turning an MBOX mailbox file (many emails in one file) into a format you can save as PDF. This tool generates a single printable HTML page with all messages; you then use Print → Save as PDF to create the actual PDF file.
Q2. Why save emails as PDF?
PDF is portable, long-lasting, and works everywhere. Saving emails as PDF is useful for archiving important threads, legal or compliance records, sharing with others who don’t use email clients, and keeping a readable record that won’t depend on a specific app.
Q3. What are the benefits of archiving as PDF?
PDFs are easy to store, search (with the right tools), and share. They don’t require an email client to view and are widely accepted for official or legal documentation. Archiving MBOX as PDF gives you a stable, human-readable backup.
Q4. Do you upload my MBOX file?
No. The converter processes entirely on your device. Your MBOX is read and converted on your device; nothing is sent to our servers.
Q5. Is the output a real PDF file?
The tool produces a printable HTML page containing all emails. You create the PDF yourself using the Print menu and the “Save as PDF” or “Print to PDF” option. No server-side PDF engine is used.
Q6. Is the MBOX to PDF converter free?
Yes. The tool is free to use with no sign-up. There is no file size limit other than what your device can handle.
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