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ON1 Resize AI vs Topaz Gigapixel: catalog facts
ON1 Resize AI	Topaz Gigapixel
Paid Paid software with a free trial.	Paid Commercial software sold by Topaz Labs, with cloud credits for cloud rendering.
Windows, macOS	Windows, macOS
Enlarges photos up to 10x Combines AI upscaling with fractal-based enlargement	Upscaling up to 16x pixels Face recovery for portraits and old photos
Paid, closed-source software Focused on enlargement only, not general editing	Paid commercial software Local rendering needs capable hardware
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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