
Convert jpeg and png images to their webp equivalents by leveraging google’s libwebp and web assembly and serve webp images directly when supported in posts and pages.
The client (browser) creates a webp version of the image when the Create button is clicked. This is then sent to the server where it is saved in the same folder as the original image, but with a .webp extension.
For example, if the original image is
/wp-content/uploads/2020/05/test.jpg
an additional
/wp-content/uploads/2020/05/test.webp
will be created there.
A filter is applied in the WordPress hook the_content to swap an image for its webp equivalent if available.
Conversion is done on the client, so a modern browser with wasm support is needed. This is because conversion to webp with php requires shell_exec to make calls to Google’s cwebp or other php extensions are needed. These features often pose security risks that outweigh the benefits. This plugin gets around that by delegating the actual image conversion to the client. It’s based on this encoder to save webp versions of uploaded jpeg and png images.
This plugin is licensed as GPLv3.
The simple html dom parser library is used to render webp images directly in WordPress content where possible. The client-side conversion to WebP leverages Google’s libwebp.
Starting from $0 per month.
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gecko43
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