# Safon - File manager & Tools

> An all-in-one Android workspace engineered for speed, privacy, and mobile productivity. Safon combines deep file management, an HD camera document scanner with live edge detection, 10+ on-device PDF power tools, an intelligent duplicate and junk storage cleaner, an AES-256 biometric secure vault, and cable-free local Wi-Fi file transfer.

## Essential Information

- **Product Name**: Safon - File manager & Tools
- **Short Name**: Safon
- **Platform**: Android 8.0 (API Level 26) and higher
- **Developer**: Sefion IT Services (Sefion Technologies Limited)
- **Official Website**: https://safon.app/
- **Google Play Store**: https://play.google.com/store/apps/details?id=com.sefion.safon
- **Support Contact**: support@safon.app
- **Privacy Model**: 100% on-device local processing; zero cloud telemetry of user files, documents, or photos.

## Core Features & Capabilities

### 1. File Explorer & Management
- Deep browsing across internal storage, external SD cards, and USB OTG drives.
- Categorized visual storage analytics (Images, Videos, Audio, Documents, Archives, APKs).
- Instant Recent Files timeline and high-speed search with filename and extension filtering.
- Full batch operations: cut, copy, paste, delete, rename, file details, and share.
- Recycle Bin with safe two-step deletion and one-tap restoration.

### 2. Smart HD Document Scanner & Live QR Reader
- Camera-based document scanner with real-time auto edge detection and perspective correction.
- Circular magnifier loupe for micro-precision manual corner adjustments.
- High-resolution multi-page document capture with professional color enhancement filters:
  - Auto Enhancement
  - Crisp Document (high-contrast document clarity)
  - Black & White (B&W photocopy mode)
  - Magic Color (vibrant color fidelity)
- Automatic scan categorization into Invoices, Receipts, IDs, Work, and Notes.
- Integrated live QR code and barcode scanner with instant copy, URL opening, and QR code generator.

### 3. 10+ Complete Offline PDF Power Tools
All PDF processing is executed locally using native Android graphics and PDFBox without uploading files to third-party servers:
- **Merge PDF**: Combine multiple PDF documents into a single organized file with drag-and-drop reordering.
- **Split PDF**: Divide a multi-page PDF into individual pages or custom page ranges.
- **Extract Pages**: Extract specific pages or custom ranges into a new document.
- **Reorder & Delete Pages**: Rearrange page sequences or prune unnecessary pages.
- **Compress PDF**: Optimize and decrease PDF file size for emailing and messaging without noticeable quality loss.
- **Watermark PDF**: Add custom text watermarks with controls for font size, opacity, color, and angle.
- **Protect / Encrypt PDF**: Secure PDF files with user and owner passwords using standard 128-bit/256-bit encryption.
- **Unlock / Decrypt PDF**: Remove password protection from known-password encrypted PDFs.
- **Image to PDF**: Convert photos and images (JPG, PNG, WEBP) into multi-page PDF documents with layout and orientation controls.
- **PDF to Images**: Convert PDF pages into high-resolution JPG or PNG image files.

### 4. Smart Storage Cleaner & Optimization
- **Deep Junk Cleaner**: Identifies app cache, temporary residual files, empty folders, and obsolete APK installers.
- **Duplicate File Finder**: Uses cryptographic hash verification (MD5/SHA-256) to detect identical photos, videos, audio, and documents regardless of filename.
- **Large Files Finder**: Surfaces files exceeding 25MB, 100MB, or 500MB for safe review and storage reclamation.
- **App Manager**: Audits installed user and system applications, displays app storage footprints, and facilitates APK extraction/backup.

### 5. AES-256 Biometric Secure Vault & Standalone File Encryption
- Hardware-backed biometric authentication (Fingerprint, Face Unlock, or PIN).
- Hidden vault container protected with military-grade AES-256-GCM encryption.
- Prevents Android media indexing from displaying private files in system galleries.
- Encrypted vault backup and restoration using PBKDF2 key derivation.
- Standalone on-device file encryption for securing any individual file on internal or external storage.

### 6. Cable-Free Wi-Fi File Transfer & Remote Browsing
- **Local Wi-Fi File Server**: Runs a high-speed local HTTP web server on the phone protected by a 6-digit session PIN.
- Allows any PC, Mac, Linux machine, or tablet on the same Wi-Fi network to upload and download files at full local network speed via any modern web browser without cables or third-party software.
- **Remote File Browser**: Connects directly to local network shares (SMB / Windows Shares), FTP, FTPS, and WebDAV servers.

### 7. Integrated Native Viewers & Media Suite
- **PDF Viewer**: Smooth scrolling, page jump, thumbnail scrubber, dark mode, and text search.
- **Image Viewer**: High-performance pinch-to-zoom, orientation controls, and detailed EXIF metadata inspector.
- **Media Player**: Audio player with background playback and playlist support; Video player with picture-in-picture (PiP) and playback speed controls.
- **Archive Manager**: Extracts ZIP, 7Z, TAR, GZ, and RAR archives; compresses files and folders into ZIP archives.
- **EPUB & Text Reader**: Clean ebook reader and syntax-highlighted text/code viewer.

## Privacy & Security Summary
- **Zero Cloud Uploads**: All scanning, OCR, PDF conversions, storage cleaning, and encryption happen strictly on-device.
- **No Mandatory Account**: Users can access file management, scanning, and PDF editing immediately without creating an account or logging in.
- **No Intrusive Permissions**: SAF (Storage Access Framework) and scoped permissions are used in compliance with Google Play Developer Policies.

## Direct Links
- [Safon Official Website](https://safon.app/)
- [Download on Google Play](https://play.google.com/store/apps/details?id=com.sefion.safon)
- [Privacy Policy](https://safon.app/privacy.html)
- [Terms of Service](https://safon.app/terms.html)
- [Submit Feedback & Bug Report](https://safon.app/feedback.html)
- [Full LLM Knowledge Base](https://safon.app/llms-full.txt)