Image format providing lossless and lossy compression for web images

Current versions

webp requires the following formulae to be installed:
libpng 1.6.34 Library for manipulating PNG images
jpeg 9c Image manipulation library
libtiff 4.0.9_2 TIFF library and utilities
giflib 5.1.4 Library and utilities for processing GIFs

Reverse dependencies

The following formulae require webp to be installed:
gd 2.2.5 Graphics library to dynamically manipulate images
imageworsener 1.3.2_1 Utility and library for image scaling and processing
gubbins 2.3.1 Detect recombinations in Bacteria
php70 7.0.27_19 PHP Version 7.0
php71 7.1.14_25 PHP Version 7.1
leptonica 1.75.3 Image processing and image analysis library
sdl2_image 2.0.3 Library for loading images as SDL surfaces and textures
imagemagick 7.0.7-27 Tools and libraries to manipulate images in many formats
pqiv 2.10.2_1 Powerful image viewer with minimal UI
fdroidserver 1.0.3 Create and manage Android app repositories for F-Droid

Recent formula history

ilovezfs webp 0.6.1
Viktor Szakats webp: secure url(s)
ilovezfs webp: use assert_predicate instead of File.exist?
ilovezfs webp: avoid opportunistic linkage to giflib
ilovezfs webp: revision for jpeg

Formula code at GitHub