Upscayl - Free AI Image Upscaler
Upscale low-resolution images to 4K and beyond with free open-source AI
What is Upscayl?
Upscayl is a free, open-source AI image upscaler that enhances image resolution by 2x, 4x, or 8x using neural network models. It runs completely offline on your device (Windows, macOS, Linux), preserving privacy and enabling unlimited upscaling at no cost. Supports multiple AI models including Real-ESRGAN and others for photos, anime, and line art. Popular among photographers, digital artists, and game modders.
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Key Features of Upscayl
- 2x, 4x, 8x image upscaling
- Fully offline processing
- Real-ESRGAN and multiple AI models
- Batch image processing
- Anime and line art model options
- Windows, macOS, Linux support
- Output format selection (PNG, JPG, WEBP)
- Custom scale settings
- Free and open source (MIT license)
- GPU-accelerated processing
Who Should Use Upscayl?
Upscale old or low-resolution photos
Enhance AI-generated images to 4K
Restore vintage photographs
Upscale game textures and screenshots
Improve product photos for e-commerce
Enhance anime and illustration art
Upscayl: Pros & Cons
✓Pros
- Completely free with no limits
- Works offline for full privacy
- Excellent quality upscaling
- Simple drag-and-drop interface
- Multiple specialized AI models
✕Cons
- Requires GPU for fast processing
- Desktop app only (no web version)
- Processing time varies by image size
- Limited editing beyond upscaling
Frequently Asked Questions about Upscayl
What is Upscayl and how does it work?
Upscayl is a free, open-source AI image upscaler that enhances photos to 2x, 4x, or 8x resolution - running entirely offline on your device with no usage limits, no account required, and no cost.
How much does Upscayl cost?
Upscayl is completely free and open source with no usage limits, no subscription, and no watermarks. Simply download and install it on Windows, macOS, or Linux and upscale unlimited images offline.
Tags
Tool Details
- Company
- Upscayl
- Pricing
- Free
- Languages
- English interface, processes any image content
- Category
- Ai Image Upscalers
- Added
- Jun 2026
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