pdf_utils

A comprehensive, standalone Flutter plugin for professional PDF manipulation and generation. It has 28+ tools! Just using a single small library!

Pub.dev | Repository | Issues | Documentation

1. Powerful PDF Compression!
1. Advanced PDF Viewer (BipPdfViewer)
1. Lightweight PDF Thumbnails
1. Page Manipulation
- i. Reorder,
- ii. Delete,
- iii. Rotate,
- iv. Insert
1. Combine/Split PDFs
- i. PDF Merging,
- ii. PDF Splitting
1. PDF Resizing
- i. Smart PDF Resizing(Actually!),
- ii. Smart PDF Scaling
1. Extraction
- i. Extract Text From PDF!
- ii. Extract Metadata
- iii. Extract Images From PDF!
1. Security Status
- i. Check Security Status (locked/unlocked)
- ii. Check Permissions(If editable/printable/copyable/annotatable etc.)
1. Encryption & Decryption
- i. Lock PDF
- ii. Unlock PDF
1. Overlay
- i. Auto Page Numbering
- ii. Customizable headers and footers
- iii. Add Text Overlay
- iv. Add Image Overlay
- v. Add Text and Image at once!
- vi. Add Text and Image as watermark!
1. Native System Printing
1. High-Speed Image to PDF Conversion
1. Auto Blank Page Removal!
1. Professional Invoice Generation!
That means 28+ tools! And some small features!
More Features Coming Soon!

Showcase

🎨 Creation & Design

Invoice Generation	Image to PDF	Advanced Watermark

Professional Invoices	Native Image-to-PDF	Advanced Branding

📄 Page Manipulation & Assembly

Reorder & Delete	Insert Page/Image	Dynamic Numbering

Page Reorganization	Flexible Insertion	Headers & Footers

Merge PDFs	Split PDFs	Page Resizing

Native High-Speed Merge	Selective Splitting	A4/Target Rescaling

🛠️ Utilities & Analysis

Advanced Viewer	Lightweight Thumbnails	Security Status

Premium BipPdfViewer	Fast Page Previews	Permission Analysis

Native Printing	PDF Compression	Image Extraction

System Print Dialog	File Size Optimization	Page to Image

Long Image	Text Extraction

Long Vertical Layouts	Robust Text Retrieval

Installation

Add pdf_utils to your pubspec.yaml:

dependencies:
  pdf_utils: ^3.3.0

Quick Start

1. Generating an Invoice

final invoice = Invoice(...);
File pdfFile = await PdfInvoiceGenerator.generate(invoice);

2. Merging PDFs (Native)

File? merged = await PdfUtils.mergePdfs(
  ['path1.pdf', 'path2.pdf'],
);

3. Advanced Viewer

Navigator.push(
  context, 
  MaterialPageRoute(
    builder: (context) => BipPdfViewer(
      filePath: 'my_doc.pdf',
      title: 'Monthly Report',
    )
  )
);

4. Text & Metadata Extraction

final doc = await PDFDoc.fromPath('doc.pdf');
String text = await doc.text;
print('Total pages: ${doc.length}');
print('Author: ${doc.info.author}');

5. Locking a PDF

File? secured = await PdfUtils.encryptPdf(
  filePath: 'doc.pdf',
  userPassword: 'my_password',
  allowPrinting: true,
);

Documentation

Full detailed guides are available in the doc/ folder:

Example App

Check the example folder for a complete demonstration of the plugin's features on real devices.

License

This project is licensed under the MIT License - see the LICENSE file for details.