Yeah, seems like it is bilinear interpolation in Firefox and bicubic in Chrome.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Bicubic_interpolation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Bicubic_interpolation</a>