Image Upscaler
Enlarge images 2×, 3× or 4× with smooth, sharpened results.
Runs on your device · no upload
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About Image Upscaler
Image Upscaler makes pictures bigger using high-quality resampling and optional sharpening. It enlarges cleanly but cannot invent new detail the way a neural network can.
Add your image
Choose a photo or drop one in. It stays on your device.
Adjust and run
Set size, format or area, then tap the main button.
Download
Save the result. No watermark, no sign-up.
Frequently asked questions
Is this AI upscaling?
No. It uses high-quality resampling and sharpening, so results are clean but not AI-generated detail.
What is the maximum size?
Output is limited to about 40 megapixels.
Are my files uploaded anywhere?
No. This tool runs in your browser, so your file stays on your device and is never sent to a server.
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