Note: Requires the proprietary ThumbsPlus DB schema, which may change between versions. Always backup first.
Sometimes the codec is installed, but ThumbsPlus hasn't been told to look for that file extension. You may need to manually add the file type to the database configuration. thumbsplus webp
: Older versions of ThumbsPlus (pre-v10) typically do not support WebP natively. As an older format-management tool, its core was built around traditional raster and vector formats like JPEG, PNG, and TIFF. Version 10 and SP2 : While newer builds of ThumbsPlus 10 Note: Requires the proprietary ThumbsPlus DB schema, which
As of April 2026, for thumbnailing or viewing in its current core versions, including Version 10 . While the software remains a powerful legacy tool for organizing large image libraries, its development has faced significant hurdles following the passing of its original creator in 2024. Current Status of WebP Support You may need to manually add the file
: ThumbsPlus is designed to generate quick previews for hundreds of formats. Ensure your version is updated to at least Version 10 SP2 to ensure the best compatibility with modern web codecs. Batch Conversion : One of the strongest features of ThumbsPlus is its Batch Processing
: Smaller file sizes lead to faster loading times for web-based galleries.