Convert hpm to webp Online: hpm2webp

You can use Tom's Editor to easily convert images from
Grass' Slideshow .HPM to WebP .WEBP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

HPM

Grass' Slideshow is an image format with extension HPM.

WEBP

WebP is an image format with extension WEBP.