All Document Reader & Viewer is a comprehensive mobile app that allows users to read and edit various document formats. With its PDF reader and editor, users can annotate, highlight, and sign their PDF files. The app also offers a full-screen PDF reader mode, making it easier to navigate through documents. Additionally, users can search, scroll, zoom in and out, and easily print and share PDF files. The app also includes a night mode feature to protect users' eyes during nighttime reading.

In addition to PDF files, All Document Reader & Viewer supports Docx and Excel formats. Users can quickly read and edit their Docx files, as well as search and take notes within the documents. The app also provides a smooth scroll feature for a seamless reading experience. For Excel files, the app offers smart tools and allows users to view files in various formats, such as xls, xlsx, and txt.

All Document Reader & Viewer also includes a PowerPoint reader, enabling users to view and manage PPT files with high resolution and fast performance. The app allows users to search for and delete document files easily. Furthermore, the app features a document scanner, allowing users to scan documents, receipts, photos, reports, and PDF files anytime and anywhere. The OCR (Optical Character Recognition) feature recognizes texts in document images, enabling users to save, edit, or share extracted texts.

Overall, All Document Reader & Viewer is a versatile app that supports a wide range of document formats. It provides users with powerful tools for reading, editing, and organizing their documents, making it a convenient solution for mobile document management.