The best free option is (for Windows).
Author’s Note: Always download plugins from the official ACDSee site or trusted sources like CopyTrans. Avoid random DLL download sites. acdsee webp plugin
ACDSee relies on Windows Imaging Component (WIC). If you install a system codec, ACDSee automatically inherits WebP support. The best free option is (for Windows)
The ACDSee WebP plugin turns a frustrating "unknown format" into a seamless part of your photo workflow. Install it once, and you will forget WebP was ever an issue. acdsee webp plugin