Files without altering their format to protect privacy. Decrypt with authorized access. Supports multiple file types including images, videos, office documents, PDFs, CAD, and SolidWorks. Works across Mac, iOS, Windows, and Linux platforms.
by Nanjing Sizhi Info Tech Co., Ltd.★ 4.58 ratingsUtilitiesFreeData updated 2026-09-13
Edit and convert PDF files directly on your device without uploading to servers. Merge, split, or extract pages from PDFs. Add annotations, watermarks, and form fields. Export to various formats and share files securely.
The app allows users to draw and design with various line weights, colors, and types. It includes tools for adding text, different paper grids, and saving or exporting drawings as pictures or PDFs.
