Image Dimensions

Enforce minimum and maximum image dimensions before upload. Reject images that don't meet width and height requirements.

What you should see: images smaller than 200×200 px are rejected. The check reads the image header in the browser, so an undersized file never uploads.

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Images smaller than 200 x 200 pixels will be rejected before upload.

<core-upload asp-upload-url="/api/upload/upload"
 asp-extensions=".jpg,.png"
 asp-min-width="200"
 asp-min-height="200"
 asp-multiple="true"
 asp-progress="true"
 asp-thumbnails="true">
</core-upload>