Upscale Image Online
Enlarge 2× or 4× with ESRGAN AI — real detail enhancement, then sharpen for crisp edges.
Drop your image here — or click to choose
First run loads the AI model (~5 MB). JPG, PNG, WebP supported.
Please select an image.
Upscale factor
ESRGAN-slim AI (small tiles for stability). If GPU fails, canvas fallback is used automatically.
Upscaling with AI…
Enhancing details and applying sharpen. This may take 30–90 seconds.
Before & After
Download upscaled imageBefore
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After 2× (AI + sharpen)
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FAQ
Quick answers about AI upscaling and quality.
How does AI upscaling work?
It uses smart algorithms to add pixels and detail without blur.
Will my upscaled image have black boxes?
No, our updated engine ensures clean, high-quality results.
Is it really free to upscale?
Yes, totally free with no watermark.