This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

WebP WASM

تفصیل

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.

Quick start

  • Sign into the backoffice as an admin user.
  • Install the plugin and activate it.

Convert a single media library image

  • Navigate to Media > Library
  • Select the list view icon
  • Locate a jpeg or png image for editing and click the media’s title link or the “edit” link under the entry.
  • Scroll down to the bottom of the edit page to the (new) WebP Conversion section
  • Click Create to create a webp version of this media library image on the server
  • Click Delete to delete a webp version if it exists for this media library image

Convert all media library images

  • Navigate to Plugins
  • Set the quality and overwrite flag as desired
  • Click Create to create webp files for all media library images
  • Click Delete to delete existing webp files for all media library images

How it works

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.

More about the conversion

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.

License

This plugin is licensed as GPLv3.

Notes

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.

سکرین شاٹاں

  • Access the admin panel from the Tools menu.
  • The admin panel for global (site-wide) conversion of images to WebP. A similar panel is available for individual media library images; to access this for an individual media resource, use the Edit link for the specific Media > Library resource.

ریویو

There are no reviews for this plugin.

Contributors & Developers

“WebP WASM” is open source software. The following people have contributed to this plugin.

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Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

تبدیلی لاگ

First release