Custom Button

Replace the default browse button with your own styled button. Use the asp-button-text attribute or provide custom HTML.

What you should see: the default browse button replaced with your own label while the underlying file input stays hidden and fully keyboard-reachable.

Drag & drop files here, or paste from clipboard

<core-upload asp-upload-url="/api/upload/upload"
 asp-button-text="Choose Files..."
 asp-multiple="true"
 asp-progress="true">
</core-upload>