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
Documents, photos, and receipts to convert them into PDF or JPG formats. Edit, delete, save, and share scanned files. Add signatures and organize documents in folders. Sync with cloud storage services for backup and access.
The app combines multiple PDF files into a single document. It allows users to set metadata and encrypt the merged document, preserving exact PDF contents and structure.