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Upscayl

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Free, open-source AI image upscaler that runs locally on your GPU

AI Image Upscaler Tools
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  • Deployment Cloud Based
  • Starting price Free
  • Free trial Available
  • Best for Freelancers, SMEs, Agencies

What is Upscayl?

Upscayl is a free and open-source AI image upscaler for Linux, macOS, and Windows. It runs locally on the user's own GPU using Real-ESRGAN neural network models and a Vulkan rendering backend, enlarging and enhancing low-resolution or pixelated images up to 16x without uploading files to the cloud. The desktop app is completely free, has no watermarks, no usage limits, and requires no internet connection after installation.

For users without a capable GPU, Upscayl also offers an optional paid cloud service called Upscayl Cloud, which processes images on remote servers using a credit-based subscription or one-time credit packages. The desktop app supports batch upscaling, multiple selectable AI models (including High Fidelity, Remacri, and UltraSharp), a before-and-after comparison slider, and custom model imports.

Key Features of Upscayl

Upscayl lists 10 documented features, including Local, offline AI image upscaling on your own GPU (no uploads required), Upscale images up to 16x resolution and Multiple selectable AI models (High Fidelity, Remacri, UltraSharp, and more). The list below covers what the product does rather than how it is marketed.

  • Local, offline AI image upscaling on your own GPU (no uploads required)
  • Upscale images up to 16x resolution
  • Multiple selectable AI models (High Fidelity, Remacri, UltraSharp, and more)
  • Batch upscaling of multiple images at once
  • Before-and-after comparison slider
  • Custom AI model import support
  • GPU acceleration via Vulkan rendering backend
  • Built on Real-ESRGAN deep learning architecture
  • Optional cloud-based processing (Upscayl Cloud) for users without a capable GPU
  • Open source (AGPL-3.0 license)

Upscayl Pricing

Upscayl lists 2 plans, starting free and running to $24.99.

Free Trial

Free

10 credits included

Request pricing

Log in and fill out the trial application to try Upscayl for free.

Pro Plan

$24.99

per month

Request pricing

300 credits per month, rollover of unused credits and priority support.

Upscayl Specifications

Upscayl is available on web app, Windows and macOS. It has a free trial and has a free plan.

Deployment
  • Cloud Based
Billing cycle
Monthly
Desktop
  • Web App
  • Windows
  • macOS
Languages
  • English
Built for
  • Freelancers
  • SMEs
  • Agencies
Support
  • Email
Integrations
No third-party app/platform integrations found; Upscayl supports importing custom AI upscaling models into the desktop app.
Public API
No
Free trial
Yes
Free plan
Yes
Runs in browser
No
Customisable
Yes
Website
upscayl.org

Upscayl Videos

Upscayl Screenshots

Upscayl screenshot 1

Upscayl Comparisons

Side by side comparisons of Upscayl against 3 other AI Image Upscaler Tools options listed here.

Upscayl
VanceAI Image Upscaler
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Upscayl
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Upscayl
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Upscayl FAQs

Yes, the core Upscayl desktop application for Linux, macOS, and Windows is completely free and open source (AGPL-3.0 license), with no watermarks, no usage limits, and no subscription required. An optional paid cloud service, Upscayl Cloud, exists for users who want faster processing without a capable GPU.

No. The desktop application processes images entirely on your local machine using your own GPU, so it works fully offline once installed. Only the optional Upscayl Cloud service requires an internet connection.

Upscayl is built on Real-ESRGAN deep learning models with a Vulkan rendering backend, and it supports multiple selectable AI models such as High Fidelity, Remacri, and UltraSharp, as well as custom model imports.

Upscayl requires a Vulkan-compatible GPU. It runs on Linux (Flatpak, AppImage, Snap, RPM, DEB, ZIP), macOS 12 and later, and Windows 10 and later.

Yes, Upscayl supports AI-powered batch upscaling so users can process multiple images in one run.

Upscayl Cloud is an optional paid add-on for users without a capable GPU. It offers a free trial with 10 credits, a Pro plan at $24.99/month with 300 credits per month, and Business/Custom plans with higher or custom credit allotments, plus one-time credit packages (100 to 5,000 credits).