AI Image Enlarger


App Download

How bigjpg enlarging images?

Using the latest Deep Convolutional Neural Networks. It intelligently reduces noise and serration in images to enlarge them without losing quality. See demo images

Does bigjpg support API?

Yes! You can find it after login.

What are the differences with others?

With other software such as PS, enlarged images still look fuzzy, and have visible blur and noise. Our product uses the neural network with a special algorithm adjusted for the images' lines & color, thus making the enlarging effect excellent. Colors are well kept, and almost no gitter or doubling is visible. More importantly, the noise, which seriously influences quality, cannot be seen in result images.

What images are best enlarged?

Anime images and illustrations are nearly perfectly processed, colors, details and edges are all well kept. Regular photos are supported as well.

What are the maximum limits on uploaded image?

Currently free user 3000x3000px, 5M; paid user 50M.

How about the speed?

Estimated remaining time will be showed once the process starts. Based on the original size & enlarging configurations, time needed is different. The actual processing time is usually shorter than that estimated.

My enlarging failed! Why?

Depending on your network environment and the current number of online users of, there is a small chance that your enlarging will fail. If you encounter such a problem, please try again.

Should I keep my browser open after starting?

If you have not logged in, yes! You need keep your browser open, otherwise the enlarged image will be lost. If you have already logged in, you can close your browser as we support offline enlarging.

How to view my enlarging history?

Enlarging history can be viewed after logging in.

I want to enlarge more images. How can I do that?

In order to support maintenance this website, we offer paid services. Once upgraded, you can use an independent high performance server to make your enlarging faster and more stable, and more.

Privacy policy?

Uploaded images and enlarged images will be automatically deleted after 15 days. Image links are encrypted, unless you share it yourself, or else other people can not download the image.