rodrigosilvano

This plugin converts JPEG/JPG/PNG to WebP at upload time—before WordPress generates sub-sizes. Supports Imagick (preferred) and GD (fallback). Options for quality, PNG lossless, and delete original.

RS Auto WebP Convert

Automatically converts JPEG/JPG/PNG to WebP on upload, with an option to delete the original. Imagick preferred, GD fallback. No tracking.

Qrzysio

This plugin converts every uploaded JPG or PNG image into modern WebP format to improve performance and reduce file size.
Key features: 
– automatic conversion of JPG and PNG images to WebP on upload 
– correct generation of all WordPress image thumbnails 
– configurable WebP quality level 
– optional maximum image width (original images are resized before thumbnails are generated) 
– automatic removal of original JPG/PNG files to save disk space 
– full compatibility with WordPress “big image scaling” 
– automatic alt text generation based on the filename 
– filename sanitization and collision-safe renaming
All settings apply only to newly uploaded images. Existing media files are not modified.
<h3>Configuration</h3>
You can configure the plugin in Tools → Force WebP.
Available options: 
– WebP quality (0–100): controls compression quality for newly uploaded images 
– Max width (px, optional): limits the maximum width of original images before WordPress generates thumbnails (0 = disabled)
All settings affect only images uploaded after saving the configuration.

Force WebP

Say goodbye to JPG and PNG – make your site run on fast, modern WebP images.

RS Auto WebP Convert vs Force WebP