FREE email previewer | HTML email viewer online tool
Preview your emails with our simple and FREE tool.
Preview and test your emails for free with our simple HTML email previewing tool.
By signing up to our free tools you will also receive occasional emails from MailNinja. Of course, you can opt-out at any time.

An easy to use, and uncluttered email previewer.
By signing up to our free tools you will also receive occasional emails from MailNinja. Of course, you can opt-out at any time.

Instant previews of your HTML emails.
Paste in the code, get an instant preview of your email in the right pane.
Toggle images to double check your alt text.
Some email clients have images turned off by default. You can turn off images and see how your email will look.


Expand the preview to full screen.
Pop out to full screen, so you get an uncluttered view of your email.
Width and height pixel detector.
Know exactly how wide and long your email is on desktop and mobile screens.


Quick-view presets for both desktop and mobile.
Toggle desktop (800px) and mobile (360px), so you can get an instant view of how your email will look.