Nightmare AI

Nightmare AI - Free Image Upscaler is an online AI-powered image upscaler that enhances image quality and upscale images to HD, 2K, or 4K using Real-ESRGAN technology. It supports photos and anime/cartoons, aiming to preserve details and sharpness while increasing resolution. The tool emphasizes ease of use with a simple upload-and-upscale workflow and offers a free tier with optional pro features for higher resolutions.

How to Use Nightmare AI

1. Upload your image. Choose a JPG or PNG image (under 10 MB).
2. Upscale your image. Click the upscale button to automatically apply Real-ESRGAN-based enhancement, with options for 2K or 4K resolution.
3. Download. Save the enhanced HD image to your device.

What It Can Do

• Upscale photos to HD, 2K, and 4K resolutions while preserving details and sharpness.
• Improve blurry images using Real-ESRGAN enhancement.
• Upscale anime, cartoons, and comics with preserved stylistic characteristics.
• Optional face correction capabilities to refine facial features.
• Free access with optional pro features for higher resolutions.

Safety and Legal Considerations

• Use for personal and legitimate purposes; respect copyright and privacy when upscaling and using images.

Core Features

• Real-ESRGAN-based AI upscaling
• Upscale to 2K and 4K resolutions
• Photo and anime/cartoons support
• Detail preservation and reduced blur
• Optional face correction
• Free tier with pro upgrade options
• Simple, quick upload-and-upscale workflow