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Upscayl vs Topaz Gigapixel: catalog facts
Upscayl	Topaz Gigapixel
Free Free and open source under the AGPL. There is no paid tier and no per-image cost.	Paid Commercial software sold by Topaz Labs, with cloud credits for cloud rendering.
Windows, macOS, Linux	Windows, macOS
Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders	Upscaling up to 16x pixels Face recovery for portraits and old photos
Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images	Paid commercial software Local rendering needs capable hardware
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 26, 2026

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