01Choose photos
02Choose output format
Phone browsers can't encode GIF or TIFF. For those, use the Termux command-line version instead.
80
Lower = smaller file. Settings above 90 can end up larger than the original, especially for photos that are already compressed.
03Resize (optional)
100%
Smaller dimensions shrink file size too, on top of quality. 100% keeps the original size.
04Save results