Compress PDF lets you reduce PDF file size while keeping good quality — completely free. Every operation runs 100% on your device using Apple's native PDF engine. Your documents are never uploaded to a server, so your private files stay private. WHY YOU'LL LOVE IT - Free — no subscriptions, no hidden costs - Private — files never leave your iPhone or iPad - Fast — native, on-device processing - No watermarks added to your documents - No sign-up or account required - Works offline, anywhere - Clean, modern, easy-to-use design HOW IT WORKS 1. Open the app and import your PDF (or photos) 2. Choose your options 3. Save the result to Files, Photos, or share it anywhere No tracking. No ads watching you. Just a simple, reliable PDF tool.