Online Mail Converter: Convert EML, MSG and PST Files Free

The free online mail converter that transforms EML, MSG, PST, and MBOX files into PDF, HTML, Word, and more — no software required.

CoolUtils online mail converter supports all major email formats as input — EML, MSG, PST, OST, and MBOX — and converts them to PDF, HTML, DOC, TXT, JPEG, and other output formats. Upload the file, select the output format, and download the converted document in seconds. No installation, no registration, completely free.

How to Convert Email Files Online — 3 Simple Steps

1) Upload file to convert

Drop files here, or Click to select

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Allowed file types: pst, ost, eml, msg, mime, smime, p7m, mbox, dbx, vcf, vmbx, opf, asice, cpgz, lzh, zcf

2) Set convert options

3) Get converted file

DOWNLOAD CONVERTED FILE

Full version

Get Total Mail Converter to convert your emails safely.

Convert Emails in Batch!;
Convert MSG\EML to PDF and in many other formats
Convert hundreds of files in 3 clicks;
Have a desktop converter that works without Internet;
Keep your emails safe, don't send them to the web;
Get more accurate results with the more poweful engine.

See features

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Total Mail Converter

Convert emails from multiple sources to a variety of formats.

Filter emails that you want to process with our 2-level filtering.

Useful data saving options - convert only necessary data from your emails.

Unique output files formatting options specify how your files will look.

Affordable Price - pay once for a lifetime license with no hidden fees.

Command Line Support - convert emails via command line.

Fast batch conversion - convert multiple emails simultaneously.

High security options - protect your output PDF files.

Various file naming and date saving options - organize your output files easily.

Variety of attachment saving options - choose how to save attachments.

Trust - you can rely on powerful email converters from CoolUtils.

Easy to use even for beginners - enjoy clear user-friendly interface.

How to convert Mail?

💾 Upload Your File: Go to the site, click on «Upload File,» and select your Mail file.

✍️ Set Conversion Options: Choose the output format and adjust any additional options if needed.

Convert and Download: Click 👉«Download Converted File»👈 to get your output file.

Cloud Based

There is no need to install any software to convert Mail with CoolUtils. Simply access the internet, and you can easily convert your file online with our service.

Secure

Our hardware operates in top-tier, highly secure data centers equipped with advanced electronic surveillance and multi-factor access control systems.

Ease of Use

Converting from Mail has never been so simple. Our intuitive interface lets you convert files in just a few clicks.

Privacy

We understand the importance of privacy, which is why we've developed a comprehensive privacy policy detailing how we handle your files and personal information. You can read the policy here.

FAQ ▼

How do I convert a Mail for free?

To convert Mail for free using Coolutils, simply upload your file on our website, select your output format, and click "Convert." Our service offers a limited number of free conversions per day without registration.

How do I open a Mail file?

If you don't have software to open a Mail file, Coolutils can help. Convert it to a more accessible format like PDF or DOCX using our online converter. Simply upload your Mail file, select your preferred output format, and convert it for immediate viewing.

Is it safe to convert my files online?

Yes, converting files with Coolutils is safe. We use secure HTTPS connections, automatically delete all uploaded files within 24 hours, and never share your documents with third parties. For sensitive information, we also offer offline converter solutions.

Can I convert files using my mobile device?

Absolutely! Coolutils is fully compatible with mobile devices. Our responsive website works on smartphones and tablets running iOS or Android. Simply visit our website through your mobile browser, upload your file, select the desired output format, and convert it — no app installation required.

Online Converters

Complete list of supported Mail online conversions:

PST Format

PST to PDF

OST Format

OST to PDF

EML Format

MSG Format

MIME Format

MIME to PDF

SMIME Format

SMIME to PDF

P7M Format

MBOX Format

MBOX to PDF

DBX Format

DBX to PDF

VCF Format

Frequently Asked Questions ▼

How do I convert an EML file to PDF online?

Upload your EML file to the CoolUtils online mail converter, select PDF as the output format, and click Convert. The tool converts the email including body text, headers, and attachments to a PDF document in seconds. For dedicated EML-to-PDF conversion, see coolutils.com/online/EML-to-PDF.

Can I convert MSG files to EML online?

Yes. Select your MSG file, choose EML as the output format, and the converter produces an EML file compatible with Thunderbird, Apple Mail, and other clients. The conversion preserves email structure, headers, and attachments.

What email formats does the online mail converter support?

Input formats include EML, MSG, PST, OST, MBOX, and MBX. Output formats include PDF, HTML, DOC, DOCX, TXT, TIFF, JPEG, and more. The converter handles all standard formats from Outlook, Thunderbird, Apple Mail, and others.

Is the online email converter free to use?

Yes. CoolUtils online mail converter is free — no subscription, no account, and no installation required. Upload the file and convert email to the desired format at no cost.

Can I convert EML files to PST for Outlook import?

EML-to-PST conversion with folder structure preservation requires the CoolUtils desktop Total Mail Converter. The online tool handles individual file conversion to PDF, HTML, and other formats. For full PST migration workflows, the desktop version provides batch mode and command-line automation.