Processed in your browser. Your file is not uploaded.
Your JPG will appear here
Transparent areas are filled with the background colour you choose.
Convert PNG images to JPG locally in your browser with a custom background for transparent areas.
How it works
Useful when a service refuses PNG or the file is simply too heavy.
The file is decoded by your browser, not by our server.
JPG has no transparency, so transparent areas need a colour underneath. White is the default; pick any other if it suits the picture.
Quality controls the trade-off between file size and detail.
More free browser tools on Nano Banana Lab.
They are filled with the background colour you choose before the conversion, because the JPG format cannot store transparency.
For photographs, at high quality the difference is hard to see. For screenshots, logos and text, JPG can blur sharp edges — WebP is a better choice there.
PNG stores every pixel exactly; JPG drops detail the eye is unlikely to notice. That is why photos shrink dramatically and flat graphics do not.
No. Once the transparency is filled in, that information is gone from the file — keep the original PNG if you may need it.