RowanWeb Media Converter & Cleaner – WebP on Upload

JPG and PNG files are often several times larger than the same image in WebP. RowanWeb Media Converter & Cleaner converts new uploads as they arrive, on your own server, and shows how much the images already in your library would save.

• WebP on upload. When you turn it on, new JPG and PNG uploads are saved as WebP right away, with every thumbnail size. The attachment ID stays the same, so nothing that points to the image has to change.
• Nothing is lost. The original file goes to the plugin’s trash and can be restored with one click for 30 days.
• Measured on your images. The WebP estimate converts a sample of your own JPG and PNG files in a temporary file and reports the real saving. Nothing in the media library changes.
• No external service. Conversion uses the image library of your server (GD or Imagick). No account, no quota, no files sent anywhere.

Pro

Media Converter & Cleaner Pro adds two tools:

• Convert the images you already have. One button converts every JPG and PNG in the library to WebP, switches every link on the site to the new files (posts, custom fields, options and page builder data), checks the live pages, and only then moves the originals to the trash.
• Clean up the media library. Finds images that no page and no database record uses (it reads every page from your sitemap and searches posts, custom fields, options and page builder data), checks each one again right before it moves, and puts it in the same recoverable trash.

Limitations

• Multisite network activation is not supported. Activate the plugin on each site separately.
• The server must be able to write WebP. The WebP tab shows whether it can.

External services

This plugin connects to the following third-party service. Nothing else is sent anywhere by the free version.

Freemius (optional opt-in, licensing and updates of the Pro version)

The plugin includes the Freemius SDK, which handles licensing and updates of a separate Pro version. In this free version, Freemius only shows an optional opt-in screen after activation.

• When: only if you choose to opt in (or activate a Pro license).
• What is sent: your site URL, WordPress and PHP versions, plugin version, site language, and the admin’s name and email address, plus plugin activation/deactivation/uninstall events. If you skip the opt-in, nothing is sent.
• Freemius Terms of Service, Privacy Policy and details on what is collected.

The Pro cleanup and converter request your own site’s sitemap and pages over HTTP. These requests stay on your site and are not a third-party service.