# MorphDrop

> MorphDrop is a 100% offline, privacy-first Android file converter and PDF workbench app built with native Material You design.

MorphDrop allows users to convert, compress, merge, watermark, and manipulate documents and images directly on their Android device with zero cloud uploads, zero ads, and zero telemetry.

## Supported Conversions & Tool Matrix

### 1. Document & PDF Conversions
- **PDF to Images**: Convert PDF pages to high-resolution PNG or JPG images.
- **Images to PDF**: Combine multiple images (PNG, JPG, WebP, BMP) into a single organized PDF document.
- **Excel to PDF**: Convert spreadsheets (`.xlsx`, `.csv`) to cleanly formatted PDF files with dynamic auto-orientation, spreadsheet preview cards, zebra striping, and a lightweight native Android OOXML parser.
- **Text to PDF**: Convert plain text files (`.txt`) directly to PDF.
- **Markdown to PDF**: Convert Markdown documents (`.md`) to formatted PDF documents.

### 2. Image Workbench & Formatting
- **Image-to-Image Conversion**: Instant conversion between PNG, JPG, WebP, and BMP.
- **Built-in Cropping & Tools**: Precision image cropping and color picker.
- **Compression**: On-device image compression with quality sliders.

### 3. Professional PDF Workbench & Batch Operations
- **Interactive Visual Grid**: Organize multi-page PDFs with real-time page thumbnails.
- **Merge & Split**: Combine multiple PDFs into one or split individual pages.
- **Annotation Suite**: Annotate PDFs with brush and highlighter strokes, swipe eraser deduplication, undo/redo controls, and atomic Room DB persistence.
- **Custom Watermarking**: Add custom text watermarks with adjustable angle and opacity.
- **Page Numbering**: Customizable page numbers across 6 distinct positions.
- **Target-Size Heuristic Compression**: Compress heavy PDFs down to target thresholds (e.g., under 2MB or 5MB).
- **Batch Processing**: Run bulk compression, watermarking, encryption, and rotation tasks in the background via Android WorkManager.
- **Professional PDF Reader**: In-app document viewer featuring text search, page jump, and Light, Sepia, and Night reading modes.

### 4. Text & Metadata Utilities
- **Batch OCR Text Extraction**: Extract selectable text from images, receipts, and scans on-device using Google ML Kit.
- **Metadata Inspector & Scrubber**: Inspect and wipe hidden EXIF, camera info, and GPS coordinates from photos for complete privacy with scoped storage fallback.
- **Native Markdown Editor**: Full-featured Markdown editor with live split-view preview, syntax highlighting, word counter, and formatting toolbar.

### 5. UI & System Integration
- **Material You Dynamic Theming**: Interface automatically extracts harmonious accent palettes from your Android wallpaper (Android 12+).
- **Unified System Share Sheet & Open-With**: Open and convert supported files (PDF, Markdown, Excel, CSV, Images, Text) directly from external apps via single-activity system intent routing.
- **Glance Home Screen Widgets**: 3 Material 3 Android widgets (Quick Tools 6-tool launchpad, Recent History feed, and Launchpad).
- **In-App Updater & What's New**: Direct update checking and downloading via GitHub Releases API with dynamic Material 3 What's New dialog.
- **ChromeOS & Large Screen Compatibility**: Fully compatible with Chromebooks, Chromeboxes, foldables, and tablets with keyboard/mouse navigation.

## Why Choose MorphDrop Over Online Converters?

Online converters (such as iLovePDF, Smallpdf, or CloudConvert) require uploading personal documents, contracts, tax files, and IDs to remote servers. MorphDrop performs 100% of conversions locally on-device:
- **100% Offline**: Works in airplane mode with no internet connection required.
- **Zero Privacy Risk**: Eliminates server-side data leaks, tracking, or document retention.
- **Zero Ads & Paywalls**: No popups, no subscription tiers, and no countdown timers.
- **Blazing Fast**: Uses your device's native CPU/GPU hardware without upload or download lag.

## Technical Specifications

- **Operating System**: Android (Android 8.0 Oreo through Android 15+)
- **Architecture**: Kotlin, Jetpack Compose, Material 3, AndroidX Glance, Google ML Kit (On-device), WorkManager
- **Internet Requirement**: None for conversions (100% offline functionality)
- **Developer**: Rajendra Guttedar (GitHub: @Rajendra0309)
- **License**: Free and Open-Source Software (FOSS)
- **Security**: Pre-scanned and verified clean on VirusTotal

## Official Links & Resources

- **Website**: https://morphdrop.vercel.app/
- **GitHub Source Code**: https://github.com/Rajendra0309/morphdrop-android
- **Download Latest APK**: https://github.com/Rajendra0309/morphdrop-android/releases/latest
- **Privacy Policy**: https://morphdrop.vercel.app/privacy.html
- **Terms & Conditions**: https://morphdrop.vercel.app/terms.html
- **VirusTotal Scan**: https://www.virustotal.com/gui/file/e1ea0515099b49c0579b4f13af2c74bfaf5e1717c455630b5880ae7ce3be64d9
- **Support & Bug Reports**: morphdrop88@gmail.com