A photo upscaler that keeps your photos to itself
UpscaleAI was built around one idea: enlarging a photo shouldn't require handing it over to a stranger's server. Most "free" image upscalers on the web still upload your file somewhere to process it, often gated behind an account, a watermark, or a daily limit once you actually try to use them.
This tool takes a different approach. It runs the entire upscaling pipeline — resizing, smoothing, and detail enhancement — using TensorFlow.js, a machine learning library that executes directly in your browser. Your image is decoded, processed, and re-encoded on your own device. It's never transmitted anywhere, which is also why there's no per-image cost that would force us to gate the tool behind a paywall.
What it does
- Upscales JPG, PNG, and WEBP images to 200% or 400% of their original dimensions
- Applies an on-device sharpening and smoothing pass to reduce blur introduced by simple resizing
- Lets you choose PNG (lossless) or JPG (smaller file) for your download
- Adds no watermark and requires no account
What it doesn't do
It doesn't claim to recover detail that was never captured in the original photo — no upscaler, free or paid, can invent information that isn't there. What it does do honestly is enlarge your image while keeping edges and detail as clean as an in-browser process can manage, instantly and without cost.
Questions or feedback
If something isn't working as expected, or you have a suggestion, get in touch through the contact page.