Upload your image
Drop in a PNG, JPG or WebP — a blurry photo, a small product shot, or an old low-res picture.
AI Image Upscaler
Enlarge any image to 4K, free
Upscale photos up to 4× with AI that rebuilds real detail instead of just stretching pixels. No sign-up, no watermark, no quality loss.
Drop an image to upscalePNG, JPG or WebP · up to 8 MB
Your result will appear here
Upscaled with HelloGen
How it works
Upscale a photo in three steps
AI adds real detail
Our upscaler reconstructs edges, texture and detail as it enlarges, so the result looks sharp instead of blocky.
Download the result
Save your enlarged, high-resolution image in one click — free, and never watermarked.
What people upscale
One upscaler, many jobs
Product & e-commerce
Turn small supplier photos into crisp, zoomable listing images for Amazon, Etsy or Shopify.
Prints & posters
Enlarge photos to print-ready resolution without the soft, pixelated edges of a plain resize.
Profile pictures
Sharpen and enlarge a low-res avatar so it looks clean on every platform.
Old & scanned photos
Bring detail back to small, compressed or scanned images from years ago.
Frequently asked questions
Is the image upscaler really free?
Yes — upscaling on HelloGen is free, with no account and no watermark on the result. There is a fair-use daily limit to keep the service fast for everyone.
How much can I enlarge an image?
The AI upscaler enlarges up to 4×. For the best quality we cap very large uploads, so a typical result lands around 4K resolution.
Will upscaling add a watermark?
Never. Every image you download is clean and full-resolution — HelloGen does not watermark images.
What file formats are supported?
You can upload PNG, JPG or WebP up to 8 MB. The upscaled result is delivered as a high-quality JPG.
Do you store my photos?
Uploads and results are automatically deleted after 24 hours. Download your image before then to keep it.
Need a whole new image?
Generate one from a text prompt — free, instant and sign-up-free.
✦ Open the AI generator