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.

Email campaign content calendar and planning tool

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.

Plan your email campaigns - email marketing strategy

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.

Team content collaboration tool
Organise your email campaigns in a calendar

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.

MailNinja team manage your email marketing campaigns for you
MailNinja team manage your email marketing campaigns for you

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.

Preview your emails for free

Click the big blue button below to try the 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.