Open and view PDF documents with full-text scroll, zoom, and single or double page mode. Annotate with professional tools and customize styles and colors. Play embedded audio from PDF files.
by Hefei T-Stack Information Technology Co., Ltd.★ 4.237 ratingsProductivityFreeData updated 2026-09-26
Convert images to PDF with OCR and handwriting recognition. Edit PDFs with text extraction and formatting tools. Capture scans manually or automatically. Apply edge detection, color correction, and optimization. Share or save edited files directly.
Transfer files between iOS device and desktop via iTunes. Access and cache Dropbox files for offline viewing. Annotate documents notes, corrections, or signatures. Optional local folder support for organization.
The app allows users to view and interact with 3D models stored in 3D PDF files on mobile devices. Users can zoom, pan, and rotate models using multi-touch gestures and import files from various cloud storage applications.