Upscayl
Upscayl is a free, open-source AI image upscaler for Windows, Mac and Linux, used by over a million people. It turns low-resolution images into high-resolution ones with state-of-the-art AI, and supports batch processing, custom models and side-by-side comparison.
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Best for individuals and content creators who want a free, local, cross-platform image upscaler; less suitable for teams needing cloud collaboration, API-based batch integration or strictly commercial-grade extreme upscaling.
Verified facts
What is Upscayl
Upscayl is a free, open-source AI image upscaler for Windows, Mac and Linux, used by over a million people. It turns low-resolution images into high-resolution ones with state-of-the-art AI, and supports batch processing, custom models and side-by-side comparison.
Key features of Upscayl
- Upscaling old photos and low-resolution images for display or printing
- Batch-improving the clarity of e-commerce and social media assets
- Quickly upscaling bitmap assets in design work and comparing model results
- Processing private images offline when uploading to the cloud is not acceptable
Good for
- Completely free and open source, with no subscription fees
- Desktop support across Windows, Mac and Linux
- Runs locally without uploading images, which is privacy-friendly
Watch out
- Desktop-only, with no online web version or official API
- Output quality is limited by the source image; extremely low-quality inputs see limited gains
- Batch processing speed depends entirely on your local hardware
How to use Upscayl
- Visit the Upscayl website and click Download in the top right to get the installer for your system
- Install and open the app, then click Select Image to choose the picture you want to upscale
- Pick an upscaling model and set the output folder
- Click the Upscayl button to start processing
- Inspect the result in the side-by-side comparison view and export when satisfied
Who Upscayl is for
Difficulty: Beginner
- Upscaling old photos and low-resolution images for display or printing
- Batch-improving the clarity of e-commerce and social media assets
- Quickly upscaling bitmap assets in design work and comparing model results
- Processing private images offline when uploading to the cloud is not acceptable
FAQ
Is Upscayl free?
Yes. Upscayl is completely free and open source, runs on Windows, Mac and Linux, and is used by more than a million people worldwide.
How does Upscayl work?
It uses advanced AI models for super-resolution reconstruction, raising image resolution while preserving original detail, turning low-resolution images into high-resolution ones.
Can Upscayl process images in batch?
Yes. Upscayl supports batch upscaling, handling multiple images in one run while maintaining quality, which saves considerable time and effort.
Sources and verification
Sources: www.upscayl.org (opens in a new tab)
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