WebP libraries for PHP

• GD ships with PHP and reads and writes still WebP images with imagecreatefromwebp and imagewebp. It doesn’t read animated WebP.
• Imagick uses ImageMagick: more libwebp options (lossless, method, alpha quality), animated WebP and conversion from many formats.

Intervention Image wraps both with a fluent API.

• GD PHP's bundled GD extension reads and writes WebP. How to convert JPEG or PNG to WebP, set WebP quality, write lossless WebP, keep transparency.
• Imagick Imagick is the PHP extension for ImageMagick. How to convert images to WebP, write lossless WebP with libwebp options, convert animated GIF to animated WebP.