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.

Swift Train Webp Converter


Swift Train WebP Converter
Swift Train WebP Converter is a WordPress plugin that allows you to convert images to the WebP format for faster loading times on your website.

– Download the latest release from the GitHub repository.
– Upload the swift-train-webp-converter directory to the /wp-content/plugins/ directory.
– Activate the plugin through the ‘Plugins’ menu in WordPress.

Once the plugin is activated, you can go to the plugin’s settings page to configure the conversion settings. You can choose which image formats to convert and the quality of the resulting WebP images. You can also choose to delete the original images after conversion.
To convert existing images to WebP, simply visit the Media Library and click the “Convert to WebP” button for the desired image. You can also use the swift_train_webp_converter_convert_image filter to convert images programmatically.


Version 1.0.1
– Fix minor translation mistakes

Version 1.0.0
– Initial release

Copyright and License
This plugin is released under the GPLv3 license as free software.

©2023 UnicornBoat


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Contributors & Developers

“Swift Train Webp Converter” is open source software. The following people have contributed to this plugin.