# STL Viewer > Lightweight 3D model viewer for STL, OBJ & archives. Easy 3D file viewing! Canonical page: [https://chrome-stats.com/d/com.loafersoft.stlviewer](https://chrome-stats.com/d/com.loafersoft.stlviewer) ## Overview - **ID:** `com.loafersoft.stlviewer` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Loafer Soft - **Category:** TOOLS - **Downloads:** 5,684 - **Version:** 1.2 - **Last updated:** 2025-10-30 - **First published:** 2025-10-29 - **Publisher country:** CN - **Size:** 2.56 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.loafersoft.stlviewer) - **Privacy policy:** [https://docs.google.com/document/d/1hkaKWd1t3M0gtAai1hXctDEcnzjGb\_FtbmJN-JPF56U/edit?usp=sharing](https://docs.google.com/document/d/1hkaKWd1t3M0gtAai1hXctDEcnzjGb_FtbmJN-JPF56U/edit?usp=sharing) ## Description **3D Model Viewer - Your Portable 3D File Browser**

🎨 A professional 3D model viewing app designed for 3D printing enthusiasts, engineers, and designers. Easily view, rotate, and analyze your 3D model files on your phone!

### ✨ Core Features

**📂 Powerful File Format Support**
• STL Format - Perfect support for ASCII and Binary formats
• OBJ Format - Supports vertices, normals, and face data
• ZIP Archives - Batch import multiple models
• RAR Archives - Auto-extract and load models
• 7Z Archives - Support for high compression formats
• Simultaneous loading and management of multiple files

**🎯 Intuitive 3D Viewing Experience**
• Real-time 3D Rendering - Smooth rendering based on OpenGL ES 2.0
• Wireframe Mode - Clearly display model topology structure
• Reference Grid - Helps understand model spatial position and scale
• Professional Lighting Effects - Better observe model details
• Auto-scaling and Centering - Models automatically fit the screen

**👆 Flexible Touch Controls**
• Single-finger Rotation - Drag in center area for 360° free model rotation
• Two-finger Zoom - Pinch/spread gestures for precise size control (0.1x-10x)
• Edge Panning - Drag at screen edges to move model up/down/left/right
• Double-tap Reset - Quick return to initial view
• Auto-rotation - Model auto-displays, switches to manual control after touch

**📦 Multi-model Management**
• Load multiple 3D model files simultaneously
• Independently control each model's show/hide state
• Display model name and vertex count information
• Batch management, one-click show/hide all models

### 🎯 Use Cases

**3D Printing Enthusiasts**
• Quickly preview STL print files
• Check model structure and topology
• Confirm model is complete and defect-free

**Engineers and Designers**
• View CAD-exported models on mobile
• Present 3D designs to clients on-site
• Quickly check model dimensions and structure

**3D Modeling Learners**
• Learn 3D model structure
• Observe professional model topology
• Understand 3D geometry principles

**Educators**
• Display 3D models in classroom
• Demonstrate solid geometry teaching
• Intuitively present 3D concepts

### 💡 How to Use

**1. Open File**
- Click "+" button to select file from phone
- Support opening directly from file manager
- Support batch selection of multiple files

**2. View Model**
- Single-finger drag to rotate and view all angles
- Two-finger pinch/spread to zoom model
- Drag at screen edges to pan model position

**3. Switch Display Modes**
- Click wireframe button to toggle wireframe mode
- Click grid button to show/hide reference grid
- View more structural details

**4. Manage Multiple Models**
- Click list button to view all loaded models
- Use switches to control each model's show/hide

**5. Reset View**
- Double-tap screen to quickly reset to initial view
- Or click settings to restore default settings

### ⚡ Performance Features

• Lightweight app, installation package under 10MB
• Smooth 60FPS rendering performance
• Supports large models (millions of triangles)
• Low memory usage, no lag
• Fast loading, ready to use

### 🔐 Privacy & Permissions

• Only requires file read permission
• Does not collect any personal information
• No network connection required
• Completely offline operation
• Your files remain entirely on local device

### 📊 Technical Specifications

• Minimum System Requirements: Android 7.0 (API 24)
• Recommended System: Android 10 and above ## Rankings - #686,425 — Overall ## Permissions and access ### Permissions - `com.android.vending.CHECK_LICENSE` - `com.loafersoft.stlviewer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [STL 3D File Viewer](https://chrome-stats.com/d/com.cadviewer.app) — 1,982 users - [Simple STL/OBJ 3D Viewer](https://chrome-stats.com/d/com.sos.simpleofflinestlobjviewer.android) — 5 users - [Easy Viewer STL, OBJ](https://chrome-stats.com/d/ta.app.objectviewer) — 1,687 users - [3DSTLViewer](https://chrome-stats.com/d/com.slcmotor.a3dstlviewer) — 6,241 users - [STL File Viewer Pro](https://chrome-stats.com/d/com.stlviewer.pro) — 100 users - [STL 3D File Viewer](https://chrome-stats.com/d/com.cadviewer.globalchem) — 405 users - [STL Simple Viewer](https://chrome-stats.com/d/com.boviosoft.stlsimpleviewer) — 3,029 users - [PureSTL – STL Viewer](https://chrome-stats.com/d/com.jewelcaddesigns.purestl) — 923 users - [OBJ STL 3D Model Viewer](https://chrome-stats.com/d/com.swantaletech.obj3dmodelviewer) — 51,777 users, 2.64 / 5 - [3D Viewer and Stl Viewer](https://chrome-stats.com/d/com.tibsoft.viewer3d.model) — 4,329 users, 3.67 / 5 - [Easy Viewer STL](https://chrome-stats.com/d/easy.viewer.stl) — 10,519 users, 2.50 / 5 - [Open3D: STEP GLB STL 3D Viewer](https://chrome-stats.com/d/com.open3d.viewer) — 521 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.loafersoft.stlviewer)