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Final2x vs ImgUpscaler: catalog facts
Final2x	ImgUpscaler
Free Free to download, with source published on GitHub.	Freemium Free to start, with paid web plans for batch processing; the Upscal apps are licensed…
Windows, macOS, Linux	Web
Runs on Windows, macOS and Linux Image upscaling runs locally	2x and 4x upscaling in the browser Supports JPG, PNG, WebP and AVIF
Upscaling speed depends on local hardware The project moved repositories, so older links point to the previous location	Web subscription does not include the desktop or mobile apps Batch processing requires payment
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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