Upscayl is a free, open-source desktop app that upscales images using AI models running locally on your GPU. No cloud subscription — download it, run it and get 4x upscaled images with no quality limits or credits.
Best for
Anyone who wants unlimited free AI upscaling without a subscription.
Pros
- Completely free and open-source, with no subscription or credit system at all
- Runs locally on your own GPU — no cloud upload or usage limits
- Genuinely unlimited 4x upscaling once installed
Cons
- Requires local installation and a capable GPU for good performance
- No cloud fallback if your hardware is limited
Tags
upscaleopen-sourcefreelocaldesktop
Frequently asked questions
Is there really no cost at all for Upscayl?
Correct — it's fully free and open-source with no subscription, credits, or hidden limits, since all processing happens on your own machine.