ZenPDF: PDF Tools & Scanner

ZenPDF is the all-in-one PDF toolkit that works completely offline. No account, no sign-up, no cloud uploads -- your files never leave your iPhone. Whether you're a student organizing notes, a professional handling contracts, or just trying to secure a document with a watermark, ZenPDF gives you every essential PDF tool in one clean, fast app. EVERY TOOL YOU NEED - Merge PDF -- Combine multiple PDFs into a single document. Reorder them exactly how you want before merging. Your original text and quality are preserved. - Compress PDF -- Shrink large PDFs to share them easily. Smart compression optimizes embedded images while keeping your text crisp and selectable. Pick the level that fits. - Edit Metadata -- View and update PDF document properties like Title, Author, Subject, and Keywords in a clean form. - Add Watermark -- Secure your documents with professional text watermarks on all pages. - Image to PDF -- Turn photos, screenshots, and pictures into a polished PDF in seconds. - Scan to PDF -- Use your camera to capture physical documents and save them straight to PDF. - Split PDF -- Pull out single pages or page ranges from any document. - Rotate Pages -- Fix sideways or upside-down pages, all at once or one at a time. - Built-in PDF Viewer -- Open and review your results without leaving the app. WHY ZENPDF - 100% offline -- everything is processed right on your device - No account, no login, no cloud - Text stays text -- we never flatten your PDF into a blurry image - Fast -- heavy work runs in the background so the app never freezes - Unlimited use -- no caps on how many files you merge, scan, or convert - Clean, modern interface with light and dark mode Your documents are yours. ZenPDF processes files locally and never sends their contents anywhere. Download ZenPDF and take control of your PDFs today.