Convert jpeg and png media to webp and serve webp images when the browser supports it. This has been tested on WordPress 5.4.1 with php 7.2.
As of April 2026, WebP WASM is a WordPress webp plugin with 10 active installations and a 0/5 rating0. It has been downloaded 1.0K+ times in total. Requires WordPress false+ and PHP false+. Available on WordPress.org since 2020. Last updated 5 years ago — may have compatibility concerns. Top alternative: EWWW Image Optimizer.
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.
| WordPress | false+ requiredTested up to 5.4.19 |
| PHP | false+ required |
First release
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.