Upscale images 4× with AI, in your browser
Drop a blurry or low-resolution image, get a sharp 4× enlargement. The AI runs locally — your photos never touch a server.
How it works
Three steps. No account needed.
Drop your image
Drag and drop, paste from clipboard, or click to browse. JPG, PNG, WebP accepted.
AI enhances resolution
Real-ESRGAN runs in your browser via WebGPU. Nothing leaves your device — ever.
Download sharp result
Get your image at 2× or 4× resolution. Save as PNG with no watermarks, no limits.
Built for the images that matter
Not a demo. A full production tool.
AI art upscaling
Perfect for Midjourney, DALL-E, and Stable Diffusion outputs that need print-ready sizes.
Old photo restoration
Bring grainy scanned family photos back to life without uploading them anywhere.
Batch processing
Upload multiple images. Queue them up, download all as a ZIP.
Private by design
All processing happens in your browser. We cannot see your images. No tracking pixels.
No limits
Full resolution output, no watermarks, no daily quota, no credits.
WebGPU acceleration
Uses your device's GPU for fast inference. Falls back to WASM on older browsers.
How we compare
| Upscale Free | upscale.media | Let's Enhance | Remini | |
|---|---|---|---|---|
| Daily limit | Unlimited | 5 images | 10 credits | 5 images |
| Upload required | No | Yes | Yes | Yes |
| Signup required | No | Yes | Yes | Yes |
| Watermark | None | Yes (free) | None | None |
| Batch processing | Yes | No | Paid only | No |
| Price | Free forever | $9/mo | $9–34/mo | $5/wk |
Common questions
Is this really free?
Yes. No hidden fees, no watermarks, no usage caps. Supported by non-intrusive ads.
Are my images uploaded?
No. The AI model downloads once and runs in your browser. Your images never leave your device.
What model does this use?
Real-ESRGAN — the same state-of-the-art open-source model used in many professional tools.
What formats work?
JPEG, PNG, WebP. Output is always a full-quality PNG.
How much can I enlarge?
2× or 4×. For best results, start with images at least 256×256 pixels.
Why the wait on first use?
The AI model downloads once and caches in your browser. After that, processing is instant.
Works on AI-generated images?
Yes — Real-ESRGAN handles Midjourney, DALL-E, Stable Diffusion, and Flux outputs well.
Can I use results commercially?
Yes. Use upscaled images for anything — print, e-commerce, social media, products.