Upscale Image to 4x Online Free - No Upload
Turn any small picture into a sharp 4x version. Free, unlimited, no watermark - the AI runs in your browser so your image stays on your device. Best for screenshots, product photos and old scans that need print-ready size.
Upscaler tool
Drop an image here, or click to choose
JPG / PNG / WebP · up to 4 MP (beta) · file never leaves your device
How it works
- Drop your image — it stays on your device.
- The 4.6 MB AI model loads once and caches in your browser.
- The image is enlarged tile by tile, then blended seamlessly.
- Compare with the slider and download the PNG — no watermark.
Need the basics first? Open the main image upscaler or read the FAQ.