Resize for Tumblr Avatar

Auto-set to 512×512 pixels. Profile avatar optimized for Tumblr's circular crop.

Drop your image here 🍡

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

Resized Image
Result
Dimensions
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File Size
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Image too small? Sharpen first

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

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Continue your workflow

Crop Profile Picture →Compress Image for Web →Crop Image to Square →
Type Dimensions Ratio
PlatformTumblr
Image TypeAvatar
Dimensions512×512 px
Aspect Ratio1:1

Frequently Asked Questions

What size is a tumblr avatar?
Tumblr recommends 512×512 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 (512×512). Other platforms may require different sizes. Check our other platform-specific resize tools.