Tumblr Header Image

A Tumblr Header Image, or Banner, is the main top-of-page image of a Tumblr blog. The Header Image serves as a way to welcome a visitor to a blog and is independent of any posts. Tumblr Banners can be configured and customized through each theme’s customization page to better celebrate the mood or character of a Tumblr account. Tumblr Header Images are often coordinated with the Tumblr Avatar around a shared theme.

Tumblr Header Images have a height of 1055 px and width of 3000 px for an aspect ratio of 2.84:1. Headers appear at 640 x 360 px on mobile devices. Tumblr Header Image supports JPG, PNG, and GIF formats with a maximum file size of 10 MB.


*Under Development*

1055 px
3000 px
Aspect Ratio:
72 ppi (screen)

Formats: JPG, PNG, GIF 

Mobile Size: 640 x 360 px (16:9)
Print Sizes: 41.67” x 14.65” | 105.8 x 37.2 cm

File Size:
10 MB (max)


Drawings include:
Tumblr Header Image interface mockup

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Tumblr is an online blogging and social networking platform created by David Karp. Launched and founded in February 2007, Tumblr was designed to allow short form bloggers to develop their own content as well as connect with other similar short form bloggers to create communities of content makers.