Free & Private — No Upload, No Sign-in
Open EML Files Online
Free MIME Viewer — No Software
Drop any .eml message to view subject, from/to, HTML or plain body, and download attachments. Standard RFC822/MIME parsing — 100% in your browser.
Client-side only — your email never leaves your device
Drop your .eml file here
Drag & drop, or click Browse — parsed locally
or
Supports: .eml · .mime · Max 50 MB · Free & unlimited
message.eml
0 KB
⚠️
Parse Error
Message
✓ Valid EML
Simple Process
How to open an EML file online
01
Drop your .eml
Export or save the message as .eml, then drop it here. No account needed.
02
Parse MIME locally
We decode headers, multiparts, base64 and quoted-printable in your browser.
03
Read & download
View plain or HTML body and save attachments with original names when present.
Why JustToolkit
EML viewer built for privacy
Standard MIME
Works with EML from Apple Mail, Thunderbird, Gmail export, and most clients.
No upload
Parsing is 100% client-side — ideal for sensitive mail.
Attachments
Download files from multipart messages in one click.
Email suite
Also: MSG, winmail.dat, RPMSG.
FAQ
EML questions
EML stores a single email in MIME/RFC822 format — the open standard used across most email systems.
Drop the file on this page. We parse it in your browser and show headers, body, and attachments.
Yes. No server upload — everything runs locally in JavaScript.
Yes. Open the Attachments tab and download each file.
EML is open MIME. MSG is Outlook’s proprietary format. Use our MSG Viewer for .msg files.