WebP

Base on VP8 video codec

• ffmpeg -framerate 15 -i image-%d.png -loop 128 animation.webp

• WebPJS (client side decoder lib)

• cwebp (Compress an image file to a WebP file)

• Black WebP: pngcrush -force -blacken ; cwebp -lossless -q 90

• https://github.com/google/skia/blob/fcee51038aeaf3596a4ffcdba0bf18e3155e09b9/src/images/SkWEBPImageEncoder.cpp

• How WebP works (lossly mode) – Medium

• WebP Gallery | WebP | Google Developers

• Lossless and Alpha Gallery | WebP | Google Developers

• WebP decoder for Flash. | UnitZeroOne

• FRDX - PNG vs WebP

• A Picture Costs A Thousand Words - see A picture costs a thousand words

• antimatter15/whammy: A real time javascript webm encoder based on a canvas hack - Convert WebP to WebM (1 frame movie), this allow a browser that support WebM but not WebP to ready it.

• Essential Image Optimization