Quality control
Choose the JPG quality level that suits your size target.
PNG JPG
Make smaller, photo-friendly JPG files and choose exactly how transparent pixels should look.
Choose the JPG quality level that suits your size target.
Set the colour used behind transparent PNG pixels.
Selected images remain in local browser memory.
JPG is often substantially smaller for photographs and is accepted almost everywhere. It does not support transparency, so choose a suitable background colour before conversion.
They are filled with the background colour you choose because JPG does not support transparency.
Around 85–90% is a practical starting point for photos. Lower settings reduce size but can reveal compression artifacts.
Yes. The batch converter supports up to 50 files with individual or ZIP download.
Start locally in your browser. Your selected images are not uploaded to an image-processing server.