La imagen de CSS agudiza
img {
image-rendering: auto;
image-rendering: crisp-edges;
image-rendering: pixelated;
}
Light Locust
img {
image-rendering: auto;
image-rendering: crisp-edges;
image-rendering: pixelated;
}img {
image-rendering: pixelated;
} filter: none;
-webkit-filter: blur(0px);
-moz-filter: blur(0px);
-ms-filter: blur(0px);
filter:progid:DXImageTransform.Microsoft.Blur(PixelRadius='0');
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAAXNSR0IArs4c6QAAACdJREFUCB1j9Pf3/88ABMmMjCCKgQlMIhGMu3btAquY9mMDWBhDBQAutwfDrUlKzQAAAABJRU5ErkJggg==" />