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waifu2x Snowshell vs waifu2x-caffe: catalog facts
waifu2x Snowshell	waifu2x-caffe
Free Free and open source under the MIT licence.	Free Free and open source under the MIT license.
Windows	Windows, Command line
One interface for waifu2x, Real-CUGAN and Real-ESRGAN Drag and drop of multiple files or folders	Runs image upscaling locally Both a GUI and a command-line tool
Windows x64 only Depends on the separate upscaler engines for results	Windows only Documentation is primarily in Japanese
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.