Enlarge small or low-resolution images 2× or 4× without the blur. AI mode uses the Real-ESRGAN model to rebuild edges and detail, running entirely in your browser and using your GPU when available. Preview part of the image before the full upscale.
How to use it
- Choose one or more images.
- Pick the factor (2× or 4×) and mode (AI or fast), and try “Preview AI”.
- Click “Upscale images” and download.
Features
- Real-ESRGAN to reconstruct detail.
- Drag-to-compare before/after.
- Transparent PNG support.
- Fast mode for instant results.
What upscaling can and can't do
| Good results | Limited results |
|---|---|
| Small graphics and logos, clear but small product photos | Heavily blurred or out-of-focus photos |
| Old low-resolution but clean photos | Tiny faces in a group shot |
| Preparing a small image to print larger | Tiny text that's already unreadable |
AI rebuilds edges and detail convincingly, but it estimates what wasn't there. Don't rely on it to recover precise details like a number plate or illegible writing.
How many pixels do you need to print?
Good print quality needs about 300 pixels per inch. A 1000-px-wide image prints sharply at about 8.5 cm (3.3 in); after 4× upscaling, about 34 cm (13 in). See our article on resolution for print vs. screen.
Privacy and security
“AI image upscaler” runs entirely in your browser: your images and files are never uploaded and no copy is kept. Free, with no sign-up.
Tip: Great for preparing small artwork for print; images up to 1500 px process faster.