Thumbsplus Webp [verified] Jun 2026

periodically updates support for modern web formats to remain competitive with other viewers. Solutions for WebP Integration

Once the codec is installed globally, you must instruct ThumbsPlus to recognize the .webp extension. Open ThumbsPlus. Navigate to > File Types from the top menu. Click on New to add a custom extension. Type WEBP in the extension field. thumbsplus webp

So, what makes ThumbsPlus WebP so special? Here are some of the key benefits that make it an attractive solution for image management and compression: periodically updates support for modern web formats to

: Ensure .webp is explicitly entered into the system's scanning filter list. If the program allows assigning specific filters, map WebP to use the internal system-level WIC engine wrapper rather than its legacy internal JPEG decoder. Navigate to > File Types from the top menu

For users who prefer to use ThumbsPlus for organization but need to view WebP files occasionally, the best approach is to configure ThumbsPlus to open WebP files in an external editor/viewer.

(10 SP2 or higher recommended) Did you install Windows WebP extensions? Are you using Batch Convert for compatibility?

If you are using ThumbsPlus v10/v11 and still cannot see WebP thumbnails, you likely need to register the WIC (Windows Imaging Component) codec. Unlike macOS, Windows does not ship with native WebP decoding. ThumbsPlus relies on the OS's codec infrastructure.