Annotate, sign, organize, and secure your PDF documents with a powerful yet intuitive editor built for iOS.
From freehand ink to precise shapes, sticky notes to digital signatures — HyperPDF handles every annotation workflow.
Draw naturally with smooth Catmull-Rom spline rendering. Your strokes look perfect every time, even when exported to other PDF viewers.
Lines, arrows, rectangles, circles, polygons, and cloud borders. Hatch patterns, solid fills, and custom border styles for professional markups.
Sign documents with a custom signature pad. Your signature is embedded natively and recognized by Acrobat and Preview.
Add color-coded sticky notes with icons anywhere on the page. Tap to expand, edit inline, and delete with a swipe.
Insert photos directly from your library, or use built-in stamps (Approved, Draft, Confidential, and more) with a single tap.
Add text boxes anywhere with custom fonts, sizes, and weights. Highlight, underline, or strike through existing text effortlessly.
Never worry about mistakes. Full undo/redo stack lets you experiment freely and revert any change instantly.
Browse, organize, rename, and share your PDF files with a built-in file manager. Supports zip/unzip with AES-256 encryption.
Express yourself with decorative sticker packs. Browse by category, preview instantly, and place anywhere on your document.
A two-tier toolbar keeps your most-used tools one tap away, while a floating properties panel lets you dial in every detail.
Freehand strokes with pressure sensitivity
Rectangle, circle, line, arrow, polygon, cloud
Handwritten signatures on a capture pad
Object-level or stroke-level erasing
Encrypt with user & owner passwords
Open, edit, and share — it's that simple.
Import from Files, iCloud, email, or browse your built-in file manager.
Choose from 10+ annotation types. Adjust color, opacity, and size instantly.
Draw, type, stamp, and sign. Every change is auto-saved with undo support.
Export a flattened PDF. Share via AirDrop, email, or any app on your device.
AES-256 Encryption
Set user and owner passwords with AES-256 encryption. Lock or unlock PDFs directly from the file manager.
Compress and encrypt entire folders with AES-256 password-protected ZIP files. Four compression levels supported.
No account required. No documents ever leave your device. All processing happens locally, always.
Optionally sync via your own iCloud Drive. You control your data — we never touch it.
"Finally an iOS PDF editor that doesn't strip my annotations when I open the file in Acrobat. Hyper PDF exports proper native annotations — game changer."
"The signature feature is seamless. I can sign contracts on my iPhone and send them back in seconds. The AES encryption gives me peace of mind for sensitive docs."
"The sticker packs and stamps make marking up lesson plans so fun. My students love the highlighted PDFs I send them. Undo/redo is a lifesaver!"
Download HyperPDF for free and experience the best PDF editing on iOS.