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Waifu2x-Extension-GUI vs Bigjpg: catalog facts
Waifu2x-Extension-GUI	Bigjpg
Freemium Free for personal use under the project licence. Commercial use requires the paid Premium…	Freemium Free to try, with paid plans for faster and larger enlargements.
Windows	Android, iOS, Web
It bundles several upscaling and frame-interpolation engines behind one Windows interface and works with AMD, Intel and…	Up to 16x enlargement Tuned for illustrations and anime-style art
The licence permits personal use only, so commercial use requires buying the Premium build, and the code is…	Large enlargements are slower without a paid plan Images are processed on the vendor's servers
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 26, 2026

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