MJ PDF: A Lightweight and Open-Source PDF Viewer

Source: Internet / May 06, 2025

In our daily work, we often need to handle various files, with PDF files being among the most common. As a fixed-layout, WYSIWYG (What You See Is What You Get) file format, PDFs provide great convenience for reading and sharing. However, viewing and editing PDF files often require additional tools, and most mobile devices' default preview functions are only barely sufficient for basic needs.

MJ PDF is a lightweight, open-source PDF viewer that installs with almost no impact on your phone's storage space, offering a very user-friendly experience. In terms of functionality, MJ PDF includes all the essential features you'd expect from a mainstream PDF reader, such as file preview, sharing, and printing. With MJ PDF, you can fully utilize your phone’s screen for full-screen reading and even open online PDF files for real-time previews.

MJ PDF: A Lightweight and Open-Source PDF Viewer

What sets MJ PDF apart from other PDF readers is its unique feature—auto-scroll. With this feature, you only need to tap the file once, and you can relax and read without needing to manually flip pages. What's even more considerate is that MJ PDF allows users to adjust the scroll speed to match their personal reading pace.

MJ PDF: A Lightweight and Open-Source PDF Viewer

MJ PDF also remembers your last reading progress, ensuring that every time you open the app, it seamlessly picks up where you left off, even if you have multiple PDF files open. If the standard black-on-white text is uncomfortable for your eyes, MJ PDF also supports dark mode, allowing you to switch effortlessly for a more comfortable reading experience.

MJ PDF: A Lightweight and Open-Source PDF Viewer

Overall, MJ PDF is a practical tool for anyone looking for a lightweight, free PDF reader without any ads. If you're interested, you can download and try out MJ PDF via VIPDown.

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