Thumbsplus Webp

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.

WebP is a modern image format offering superior compression (smaller file sizes) compared to JPEG and PNG. While older ThumbsPlus versions lack native WebP support, newer versions (v10+) handle it seamlessly.

: Double-clicking the image throws an "Unsupported file format" or "Decode error" message. thumbsplus webp

These features have made WebP a favorite for website performance. Google recommends it for SEO, and modern browsers (Chrome, Firefox, Edge, Safari) have supported it for years, with the exception of older versions of Internet Explorer and macOS.

If you cannot upgrade ThumbsPlus:

If you are a long-time user of ThumbsPlus, you might be wondering how this classic image manager handles modern WebP files. This article covers the current state of WebP compatibility in ThumbsPlus, how to work around formatting limitations, and how to optimize your digital asset workflow. What is ThumbsPlus?

ThumbsPlus was originally built to handle foundational formats like JPEG, TIFF, PNG, BMP, and various camera RAW files. Because development on legacy versions of ThumbsPlus preceded the widespread adoption of WebP, the software lacks an internal, native decoder for .webp extensions. Once the codec is installed globally, you must

# Use ImageMagick to convert if not os.path.exists(proxy_jpg): subprocess.run(['magick', full_webp, '-quality', '90', proxy_jpg])

Integrating WebP into a ThumbsPlus-managed library offers significant benefits for storage and performance: ThumbsPlus 6.0 - DPReview Click on New to add a custom extension