FixPDF – Ultimate Android PDF Tools Document Utility App (Jetpack Compose, Kotlin, AdMob)

FixPDF is a fully-featured, premium Android utility app designed for complete local, on-device PDF management. Built with modern coding patterns, clean architecture, and a gorgeous obsidian dark theme, it offers users 18 powerful PDF tools without requiring external servers, guaranteeing maximum privacy and performance.

This code template is ready to publish, fully structured for easy package renaming, color customizations, and instant AdMob configuration. It targets current Google Play Store SDK requirements to comply with Google Play Store rules.

Key Features:

• 18+ Premium PDF Utilities
• Modern Jetpack Compose UI
• Pre-Integrated AdMob Units (Banner, Interstitial, Native, App Open)
• Targets current Google Play Store SDK requirements & Scoped Storage Compliant

Compatibility & Requirements:

• Requires Android 8.1 (API level 27) or higher
• Targets Android 15/16 (API level 37) to comply with current Google Play Store requirements

18+ Powerful PDF Utilities Included

FixPDF is packed with a comprehensive toolkit that answers every PDF requirement:

1. Merge PDFs
Select multiple PDF documents and combine them into a single, organized PDF file with drag-to-reorder capabilities.

2. Split PDF
Split a large PDF file into multiple separate documents by specifying page numbers or individual ranges.

3. Compress PDF
Reduce the file size of PDF documents to save storage space and make sharing faster without losing essential text clarity.

4. Lock PDF (Add Password)
Secure confidential PDF files with robust user/owner passwords using secure, industry-standard AES-256 encryption.

5. Unlock PDF (Remove Password)
Remove passwords and encryption from protected PDFs to make access fast and friction-free.

6. Rotate Pages
Fix misaligned page orientations by rotating specific pages or the entire document (90°, 180°, 270°).

7. Remove Pages
Select and delete redundant, empty, or unnecessary pages from your PDF documents with ease.

8. Reorder Pages
Rearrange the sequence of pages within a PDF file using an interactive, visual grid layout editor.

9. Image to PDF
Convert images, camera photographs, and gallery screenshots into professional PDF files in seconds.

10. PDF to Image
Extract all embedded images from a PDF file or export entire PDF pages as high-quality PNG/JPG images.

11. Add Page Numbers
Insert sequential page numbers onto your documents. Choose header/footer placements and text formatting options.

12. Sign PDF
Draw signatures, resize, move, and stamp them onto any page or position of your PDF documents locally.

13. Add Watermarks
Add text or image watermarks behind page content. Customize transparency, scaling, rotation, and placement.

14. Edit Metadata
Manage file attributes by adding or editing the Title, Author, Subject, and Keywords tags inside the PDF structure.

15. HTML to PDF
Convert live web pages or local HTML files into offline PDF files directly using WebView printing.

16. Extract Text
Perform on-device text parsing and copy all plain text content from a PDF document to your clipboard.

17. Fill PDF Forms
Open interactive PDF documents to fill text fields, toggle checkboxes, and save filled documents.

18. Flatten PDF
Flatten annotations, form entries, and visual edits directly into the PDF content stream to prevent future edits.

Pre-Integrated AdMob Monetization

Generate consistent passive income with multiple, pre-integrated Google Mobile Ads units that conform to policy rules:

• App Open Ads: Displays immediately upon startup to catch user attention during initial loading phases.
• Adaptive Banner Ads: Dynamically adjusts its layout size according to screen widths, maximizing revenue. Placed carefully on the Tools screen.
• Interstitial Ads: Fully configured with loading dialog transition safeguards, displaying smoothly when a PDF tool executes successfully.
• Optimized Native Ads: Interleaved gracefully into list and grid formats on the Home Screen (spaced out with 4-5 files in between) with custom layout measuring to avoid size collapses.

Premium Technical Architecture

• Native Kotlin & Compose: 100% written in modern Kotlin utilizing Declarative Jetpack Compose layout engines.
• Clean Architecture & MVVM: Structured using Domain/Data/Presentation separation layers to guarantee easy extensibility.
• Local History & Favorites: Powered by SQLite Room databases to store file configurations offline.
• Dependency Injection: Facilitated by Koin context managers.
• Image Loading & Lottie Caches: Rendered via Coil engines and custom Lottie vector animations.