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AI Denoiser & Upscaler

Remove noise and enhance image quality with Real-ESRGAN AI. Denoise at original size (×1), or upscale 2×/4×. Runs entirely in your browser — complete privacy guaranteed.

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How to Use

  1. 1

    Drag and drop or click to upload your image

  2. 2

    Select the output mode (×1 Enhance / ×2 Upscale / ×4 Upscale)

  3. 3

    Click the "Upscale with AI" button

  4. 4

    Compare Before and After to see the result

  5. 5

    Click "Download Image" to save

Key Features

  • ✓Real-ESRGAN AI model for super-resolution upscaling
  • ✓Up to 4× upscale with natural detail enhancement
  • ✓WebGPU-accelerated for fast processing (WASM fallback included)
  • ✓Completely free with no registration required
  • ✓100% browser-based — images are never sent to a server
  • ✓Download in high-quality PNG format

FAQ

Q. What kind of images work best?

A. Low-resolution photos, smartphone screenshots, and older images benefit the most. The AI naturally fills in details while upscaling.

Q. How long does processing take?

A. Typically 2–5 seconds. WebGPU-enabled browsers are even faster. Everything runs locally with no server communication.

Q. Are my images uploaded to a server?

A. No. All processing happens entirely in your browser. Your images are never transmitted over the internet.

Q. What image formats are supported?

A. All browser-supported image formats including JPEG, PNG, and WebP. Output is always in PNG format.

Q. Which mode should I use?

A. "×1 Enhance" improves quality without changing size. "×2 Upscale" doubles the resolution. "×4 Upscale" maximizes enlargement for the best detail.

How It Works: Real-ESRGAN Super Resolution

This tool uses Real-ESRGAN (Real-World Enhanced Super-Resolution GAN), an AI model specialized in 4× image upscaling that naturally reconstructs fine details.

All processing runs inside a Web Worker using ONNX Runtime Web. WebGPU-enabled browsers use GPU inference for maximum speed, with automatic WASM fallback for other environments.

The AI model (~5MB) is downloaded on first use and cached by your browser for instant loading on subsequent visits.

Privacy & Security

All image processing happens entirely on your device. No image data is ever sent to any server.

AI inference also runs locally in your browser, ensuring complete privacy protection.

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