Tumblr Banner Resizer
Tumblr currently recommends a 2048×1152 pixel (16:9) blog header in JPEG, PNG, WebP, or GIF, no larger than 10 MB.
Tumblr header image size
Tumblr header image size: 2048×1152 px, 16:9, maximum 10 MB
Tumblr currently accepts JPEG, PNG, WebP, and GIF header images.
2048
width (px)
1152
height (px)
16:9
aspect ratio
Need other dimensions? Browse all Tumblr sizes or use the free image resizer for any platform.
Sources
We check platform-specific dimensions against source documentation when available.
- Tumblr Help Center — Changing Your Blog's Appearance - Official avatar and header dimensions, formats, and file-size limits.
Why 2048×1152 Pixels?
2048×1152 pixels at 16:9 is Tumblr's current ideal header size. Keep text, logos, and faces away from the outer edges so responsive blog themes have room to crop.
First Impressions on Your Blog
Your banner sets the mood for your entire blog. Visitors judge your aesthetic in seconds. A cohesive banner that matches your content style tells readers what to expect. Generic or stretched images signal low effort.
Create Your Blog Banner
Resize the source to 2048×1152 pixels, review the 16:9 crop, and download it. Tumblr accepts JPEG, PNG, WebP, and GIF headers up to 10 MB.
How to resize image for Tumblr Banner?
- 1
Step 1: Choose your image
From your library on your device, select the image you want to use as a Tumblr Banner.
- 2
Step 2: Upload and resize your image
Upload your image, and within a few seconds, our tool will automatically resize it to Tumblr banner dimensions
- 3
Step 3: Save Tumblr Banner
Once ready, click the Download button to save your Tumblr Banner to your device.
Tumblr currently recommends a 2048×1152 pixel header image at a 16:9 aspect ratio, with a maximum file size of 10 MB.
All Tumblr Image Sizes
Choose the recommended Tumblr dimensions for your content
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