Resize for Tumblr Header

Auto-set to 3000×1055 pixels. Blog header image at Tumblr's recommended size.

Drop your image here 🍡

PNG, JPG, WebP, BMP — any size, mochi handles it all

Resized Image
Result
Dimensions
--
File Size
--

Image too small? Sharpen first

If your image is smaller than the target size, use Sharpen for better clarity, then resize.

Browse All Tools →

Continue your workflow

Crop Profile Picture →Compress Image for Web →Crop Image to 16:9 →
Type Dimensions Ratio
PlatformTumblr
Image TypeHeader
Dimensions3000×1055 px
Aspect Ratio600:211

Frequently Asked Questions

What size is a tumblr header?
Tumblr recommends 3000×1055 pixels for this image type. Uploading at this exact size ensures the best display quality without platform-side compression.
What format works best for Tumblr?
JPEG works best for photos on Tumblr. PNG is ideal for logos and graphics with transparency. Keep file size reasonable for fast loading.
Can I use this for multiple platforms?
This tool is optimized for Tumblr's specific dimensions (3000×1055). Other platforms may require different sizes. Check our other platform-specific resize tools.