N1on
Hello, the default library of centos 7 does not support webp, you need to use a third-party library
wget http://repo.okay.com.mx/centos/7/x86_64/release/libwebp-devel-0.3.0-4.el7.centos.x86_64.rpm
wget https://rpms.remirepo.net/enterprise/7/remi/x86_64/libwebp7-devel-1.0.3-1.el7.remi.x86_64.rpm
wget https://rpms.remirepo.net/enterprise/7/remi/x86_64/libwebp7-1.0.3-1.el7.remi.x86_64.rpm
wget https://rpms.remirepo.net/enterprise/7/remi/x86_64/ImageMagick6-libs-6.9.12.70-1.el7.remi.x86_64.rpm
wget https://rpms.remirepo.net/enterprise/7/remi/x86_64/ImageMagick6-devel-6.9.12.70-1.el7.remi.x86_64.rpm
wget https://rpms.remirepo.net/enterprise/7/remi/x86_64/ImageMagick6-6.9.12.70-1.el7.remi.x86_64.rpm
install :
yum install ImageMagick6-6.9.12.70-1.el7.remi.x86_64.rpm ImageMagick6-6.9.12.70-1.el7.remi.x86_64.rpm ImageMagick6-libs-6.9.12.70-1.el7.remi.x86_64.rpm libwebp7-devel-1.0.3-1.el7.remi.x86_64.rpm libwebp7-1.0.3-1.el7.remi.x86_64.rpm
check:
convert -list format | grep -i webp