NovaConvert - Files & Documents Converter Android App

NovaConvert is a powerful, lightweight, and fully offline file conversion Android application that transforms the way users handle documents and media. With support for PDF to DOC, Image to PDF (with OCR), Word/DOCX to DOC, and Video to Audio (MP4 to MP3), this app delivers professional-grade conversions without requiring an internet connection.

Built with modern architecture using Kotlin and Jetpack Compose, the app comes with integrated AdMob (Interstitial ads). Buyers must set up their own AdMob account and replace the test IDs to generate revenue.

Whether for business, education, or personal use, NovaConvert offers a clean, fast, and intuitive experience.

Key Features

Document Conversion:

• PDF to fully editable Microsoft Word (DOC/DOCX) with excellent formatting preservation.
• Image to PDF – Advanced OCR technology extracts text from JPG, PNG, and scanned documents.
• Word/DOCX to optimized DOC format.
• Support for scanned PDFs with high-accuracy OCR.

Media Conversion:

• Video to Audio – Convert MP4, MKV, and other videos to high-quality MP3 with customizable bitrate and trimming.

Core Strengths:

• 100% Offline – No internet required for any conversion.
• Lightning-fast processing with progress tracking.
• No watermarks on output files.
• Dark & Light Mode with beautiful Material You design.
• Secure & Private – All processing happens locally on the device.

Monetization Ready:

• Fully integrated AdMob (Interstitial).
• Easy to customize or disable ads.
• Non-intrusive ad placement for excellent user experience and revenue.

Additional Professional Features:

• File preview before conversion.
• Multiple quality & output options.
• Background conversion support.
• Share converted files directly.
• Clean cache & storage management.
• Lightweight APK size (< 15 MB).

Technical Requirements

• Android Studio Koala or newer
• Minimum SDK: Android 8.0 (API 26)
• Target SDK: Android 16 (API 36)
• Gradle 8.6+
• Kotlin 1.9+
• Requires Internet permission only for AdMob (no internet required for file conversions)

App Flow Storyboard

1. Splash Screen
Modern animated splash screen with app logo and tagline.

2. Home Dashboard
Clean dashboard with large conversion category cards (PDF, Image, Word, Video).

3. Conversion Process (Common Flow)

• Elegant file picker with thumbnail previews.
• Smart options screen.
• Beautiful animated progress screen.
• Result screen with open/share/save options.

4. PDF → DOC Flow
Users select PDF → choose formatting options → OCR for scanned files → instant editable Word document.

5. Image → PDF Flow
Multi-image selection → OCR processing → editable PDF document with preserved layout. Excellent for receipts, notes, and books.

6. Video → Audio Flow
Video thumbnail preview → trim slider → quality selection → background conversion → waveform audio preview.

7. Settings Screen
Theme switch with file info, date, size before/after, and quick actions.

Why Choose NovaConvert:

• Solves real everyday problems (format incompatibility).
• Strong monetization potential with AdMob.
• Fully offline – major user demand.
• Modern Jetpack Compose / Kotlin codebase (clean & maintainable).
• Regular updates & lifetime support.
• Easy customization for buyers.
• High perceived value with professional UI/UX.