PNG files are often 5–10× larger than they need to be for photos. Convert them to JPG to save space; transparent areas are filled with white.
JPG can't be transparent, so they become white. If you need transparency, choose WebP or PNG instead.
Yes. No sign-up, no watermark added by us, no daily limits. You can process up to 500 images at a time.
No. Everything happens inside your browser, on your own device. Your photos are never uploaded, stored or seen by anyone.