The Photoshop CS6 WebP plugin is not a product. It is a protest. A tiny, functional protest that says: I will not pay rent to open an image. And for now, it wins.
Using the WebP plugin in CS6 is not a seamless experience. You learn its quirks: photoshop cs6 webp plugin
However, if your daily workflow involves downloading hundreds of WebP files from a CMS or scraping tools, the plugin’s limitations (no animation support, occasional color profile glitches) will frustrate you. In that case, a dedicated batch converter is superior. The Photoshop CS6 WebP plugin is not a product
If you are one of the holdouts running CS6 on Windows 10 or 11 (or macOS 10.14 via RetroActive), here is the ritual: And for now, it wins
The plugin is installed in the wrong folder or you are trying to open an animated WebP. Fix: Move the .8bi file to Plug-ins/File Formats , not the root Plug-ins folder. For animations, use File > Import > Video Frames to Layers or a dedicated tool.