MViewer Plus: Edit, PDF & AI

Belisario Retto de Abreu

About this app

MViewer Plus is more than just a viewer; it’s a complete productivity suite that brings Artificial Intelligence to your documents. Handle CSV, XLSX, ODT, RTF, and MSG files like a pro.

Key Features:

Edit & Bulk Correction: Make quick changes or large-scale corrections to your spreadsheets and documents on the go.

Integrated AI Analysis: Ask our AI to analyze file content, summarize data, or extract specific insights in seconds.

Highlighted Reading: Experience smart Highlights that make reading and data identification much easier and faster.

PDF & Print: Generate high-quality PDFs from any document or spreadsheet and print directly from your device.

Complex Format Support: Seamlessly open and edit .MSG (Outlook), .RTF, .ODT, and multi-sheet .XLSX files.

Privacy First: Your files stay local. AI analysis is conducted securely, ensuring your data remains private.


MViewerPlus is a powerful, secure, and lightweight universal file viewer. It allows you to open, inspect, and analyze a wide variety of text-based files directly on your device — with no ads, no tracking, and full respect for your privacy.

Designed for developers, IT professionals, students, and advanced users, MViewerPlus combines file reading with built-in security checks, helping you work safely with local files.

🔍 Supported File Types

MViewerPlus supports reading and viewing multiple file formats, including:

.txt, .json, .xml, .csv, .ini, .log, .sql, and other structured or plain text files

Perfect for configuration files, logs, backups, data exports, and technical documents.

🔐 Built-In Security Checks

Your safety matters. MViewerPlus includes a dedicated Security Check module that verifies:

Root / Jailbreak status, Debugger detection, Hooking detection, App integrity
System update status, Screen lock protection, Real device validation
App monitoring status

These checks help ensure the app is running in a safe and trusted environment.

⭐ Key Features

Universal text-based file reader
Clean, modern, and intuitive interface
Fast local file access
Built-in security and integrity checks
Works fully offline
100% free
No ads

No subscriptions
No data collection

🧠 Who Is It For?

Developers and programmers
System administrators
Students and researchers
Power users who need to inspect files safely
Anyone who needs a reliable file viewer without clutter

⚠️ Important Notice

This app does not modify any files.
It is a read-only viewer.
All files are processed locally on your device.
Images shown in the store listing are illustrative and may vary slightly depending on device and Android version.

📌 Privacy First

MViewerPlus does not collect personal data, does not require account creation, and does not communicate with external servers. Your files stay on your device.

📝 Text & Code (Syntax Highlighting Editor)
Web: .html, .htm, .css, .scss, .sass, .less, .js, .jsx, .ts, .tsx, .ascx, .aspx, .asmx
Mobile: .dart, .java, .kt, .kts, .swift
Backend/Script: .py, .rb, .php, .pl, .sh, .bash, .ps1, .go, .rs, .scala, .r, .lua, .el, .clj, .ex, .exs, C/C++: .c, .cpp, .cc, .cxx, .h, .hpp, .cs
Data/Config: .json, .xml, .yaml, .yml, .sql, .conf, .config, .env, .ini, .cfg,
.properties, .toml
Other: .txt, .md, .markdown, .log, .vim, .eml

📊 Data & Spreadsheets (Table View)
.csv .xlsx, .xls

📄 Documents
.pdf (Native Viewer)
.docx (Text Extraction)
.doc (Legacy Support Message)

🎬 Multimedia (Native Player)
Audio: .mp3, .wav, .ogg, .m4a, .aac, .flac
Video: .mp4, .mov, .avi, .mkv, .webm, .wmv, .flv, .3gp, .m4v
Images: .png, .jpg, .jpeg, .gif, .webp, .bmp

🗂️ Archives
.zip (Internal Browser)
.apk, .jar (Basic Recognition)

🔐 Certificates
Text (Editable): .pem, .crt, .cer
Binary (ID Only): .p12, .pfx, .der

What’s new

A message has been included alerting the user that in order for the AI ​​to analyze file content, they must provide an API key to the Groq AI.