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waifu2x Snowshell vs Bigjpg: catalog facts
waifu2x Snowshell	Bigjpg
Free Free and open source under the MIT licence.	Freemium Free to try, with paid plans for faster and larger enlargements.
Windows	Android, iOS, Web
One interface for waifu2x, Real-CUGAN and Real-ESRGAN Drag and drop of multiple files or folders	Up to 16x enlargement Tuned for illustrations and anime-style art
Windows x64 only Depends on the separate upscaler engines for results	Large enlargements are slower without a paid plan Images are processed on the vendor's servers
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 26, 2026

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