v2.0 Now Available

Professional AI Image Upscaling, Zero Cost.

Upscale your photos up to 400% with RealESRGAN technology. Running 100% offline on your PC for maximum privacy and speed.

Download for Windows Free • 64-bit Windows • GPU Support
App Preview
4x Upscale

Why choose Toolszy Upscaler?

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RealESRGAN Core

Powered by the state-of-the-art RealESRGAN x4plus model for superior detail restoration.

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100% Privacy

Everything runs locally. Your photos never leave your computer. No cloud uploads, no tracking.

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GPU Acceleration

Uses your NVIDIA/AMD GPU for blazing fast processing, with a fallback to CPU for older machines.

See the Difference

Drag the slider to compare Original vs AI Upscaled

After
Before
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How it works

01

Launch

Open the executable. No complex installation required.

02

Drag & Drop

Drop any PNG or JPG image into the app window.

03

Upscale

Click "Start". Watch the magic happen in seconds.

Ready to enhance your images?

Get the latest version for Windows 10/11.

Version 1.0.2 • ~120MB • Windows 64-bit
Download Now (Primary) Alternative Mirror

Minimum Requirements: 4GB RAM, Dual Core CPU

Recommended: 8GB RAM, NVIDIA GTX 10-series or newer