Quality: Low (smallest file)
High (largest file)
High DPI mode (assume pixels are smaller or image is going to be scaled down)
Color quality: Messy
Sharp (larger file)
Click to select files (24-bit PNG or very-high-quality JPEG)
Once submitted files will download automatically. Multiple files are supported.
Hacked together by Kornel (@kornelski). Donate. This page uses ImageOptim API.