Turn your phone into a powerful PDF workspace. Open large PDFs fast, read comfortably, and edit with confidence—your changes stay safe with reliable saving and export.

Key features
📖 World-class PDF viewing
Lightning-fast open with smooth scroll & zoom
Page thumbnails, table of contents (outlines) & quick page jump
Search with highlights + next/previous navigation
Text selection & copy (when text is available)
Clickable links (web + internal)
Night mode / sepia / invert for comfortable reading
✍️ Annotate like a pro
Highlight, underline, strike-through
Pen/freehand drawing (smooth strokes)
Shapes: rectangle, ellipse, line, arrow
Text notes, callouts, sticky comments
Stamps (Approved / Draft / custom)
Insert images as annotations
Undo/redo, move/resize with selection tool
Export options including flatten for maximum compatibility
📄 Page tools
Reorder pages (drag & drop)
Rotate, delete, duplicate, extract pages
Merge PDFs, split by ranges
Insert pages from another PDF or images/scan
📝 Fill & sign
Fill existing PDF forms (AcroForms) and save
Draw a signature or import a signature image
Place signatures with resize/rotate, add date/initials
Optional flattening for consistent viewing everywhere
📷 Scan & OCR (make PDFs searchable)
Scan documents with auto-crop and enhancement
Create multi-page PDFs
OCR to make scanned PDFs searchable (offline-first workflow)
🔒 Privacy & security
Offline-first: core features work without internet
Password protect/encrypt PDFs
Remove metadata, add watermarks
Designed for safe exporting so edited files open correctly in other PDF readers
Built for speed & reliability
Progressive rendering for fast first view
Crash-resistant editing with strong save/export practices