Shrink a PDF's file size while keeping it readable.
No. Every operation runs entirely in your browser. Your files never leave your device and are never sent to a server.
You choose. Higher compression means smaller files with more visible quality loss; 'Low' keeps quality high.
Yes. Tap “Add photos” and pick pictures from your camera roll — they are turned into a PDF right on your device (one page per photo, in the order you picked them) and the tool runs on that.