FLIF - Free Lossless Image Format
►http://flif.info
FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG, lossless JPEG2000, and lossless JPEG XR in terms of #compression ratio. FLIF currently has the following features: Lossless compression / Greyscale, RGB, RGBA / Color depth: up to 16 bits per channel (high bit depth) / Interlaced (default) or non-interlaced / Interlaced files can be decoded quickly at lower quality/resolution (“Responsive By Design”) / Progressive decoding of partially downloaded files / Animation support / Rudimentary support to compress camera raw files (RGGB) / Rudimentary support for metadata (arbitrary embedded extra data, currently just ignored by the decoder) / Encoding and decoding speeds are acceptable, but should be improved / Fallback web browser support via a JavaScript (...)