Specification for WebP Lossless Bitstream Stay organized with collections Save and categorize content based on your preferences. Jyrki Alakuijala, Ph.D., Google, Inc., 2023-03-09 Abstract WebP lossless is an image format for lossless compression of ARGB images. The lossless format stores and restores the pixel values exactly, including the color values for fully transparent pixels. A universal alg