Images to WebP

Images to WebP | KubiQ

Description

Statistics say that WebP format can save over a half of the page weight without losing images quality.
Convert PNG, JPG and GIF images to WebP and speed up your web, save visitors download data, make your Google ranking better.

  • automated test after plugin activation to make sure it will work on your server
  • works with all types of WordPress installations: domain, subdomain, subdirectory, multisite/network
  • works on Apache and NGiNX
  • image URL will be not changed so it works everywhere, in <img> src, srcset, <picture>, even in CSS backgrounds and there is no problem with cache
  • original files will be not touched
  • set quality of converted images
  • auto convert on upload
  • only convert image if WebP filesize is lower than original image filesize
  • bulk convert existing images inside /wp-content/ folders to WebP ( you can choose folders )
  • bulk convert only missing images
  • works with `Fly Dynamic Image Resizer` plugin

Hooks for developers

itw_extensions

Maybe you want to support also less famous JPEG extension like jpe, jfif or jif

add_filter( 'itw_extensions', 'extra_itw_extensions', 10, 1 );
function extra_itw_extensions( $extensions ){
    $extensions[] = 'jpe';
    $extensions[] = 'jfif';
    $extensions[] = 'jif';
    return $extensions;
}

itw_sizes

Maybe you want to disable WebP for thumbnails

add_filter( 'itw_sizes', 'disable_itw_sizes', 10, 2 );
function disable_itw_sizes( $sizes, $attachmentId ){
    unset( $sizes['thumbnail'] );
    return $sizes;
}

itw_htaccess

Maybe you want to modify htaccess rules somehow

add_filter( 'itw_htaccess', 'modify_itw_htaccess', 10, 2 );
function modify_itw_htaccess( $rewrite_rules ){
    // do some magic here
    return $rewrite_rules;
}

iwt_disabled_folders

Maybe you want to disable/enable some other folders for bulk convert

add_filter( 'iwt_disabled_folders', 'modify_iwt_disabled_folders', 10, 1 );
function modify_iwt_disabled_folders( $disabled ){
    // do some magic here
    return $disabled;
}

$images_to_webp->convert_image()

Maybe you want to automatically generate WebP for other plugins

add_action( 'XXPLUGIN_image_created', 'XX_images_to_webp', 10, 2 );
function XX_images_to_webp( $image_path ){
    global $images_to_webp;
    $images_to_webp->convert_image( $image_path );
}

Installation

  1. Upload images-to-webp directory to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress

Plugin author

KubiQ

Plugin official website address

https://wordpress.org/plugins/images-to-webp/
If you encounter problems in using the Images to WebP plugin, you can comment below, and I will try my best to help you solve the problem

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