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A purpose-built PDF link analysis reporting tool.

Project description

pdflinkcheck

A purpose-built tool for comprehensive analysis of hyperlinks and link remnants within PDF documents, primarily using the PyMuPDF library. Use the CLI or the GUI.


Graphical User Interface (GUI)

The tool can be run using a simple cross-platform graphical interface (Tkinter):

Screenshot of the pdflinkcheck GUI

To launch the GUI: A. Install from pipx using pipx install pdflinkcheck, and then use the command: pdflinkcheck-gui or B. Download and double-click the latest PYZ, EXE, or ELF binary from https://github/com/City-of-Memphis-Wastewater/pdflinkcheck/releases/

✨ Features

  • Active Link Extraction: Identifies and categorizes all programmed links (External URIs, Internal GoTo/Destinations, Remote Jumps).
  • Anchor Text Retrieval: Extracts the visible text corresponding to each link's bounding box.
  • Remnant Detection: Scans the document's text layer for unlinked URIs and email addresses that should potentially be converted into active links.
  • Structural TOC: Extracts the PDF's internal Table of Contents (bookmarks/outline).

📥 Installation (Recommended via pipx)

The recommended way to install pdflinkcheck is using pipx, which installs Python applications in isolated environments, preventing dependency conflicts.

# Ensure you have pipx installed first (if not, run: pip install pipx)
pipx install pdflinkcheck

Note for Developers: If you prefer a traditional virtual environment or are developing locally, use pip:

# From the root of the project
pip install .

🚀 Usage

The main command is pdflinkcheck analyze.

# Basic usage: Analyze a PDF and check for remnants (default behavior)
pdflinkcheck analyze "path/to/my/document.pdf"

Command Options

Option Description Default
<PDF_PATH> Required. The path to the PDF file to analyze. N/A
--check-remnants / --no-check-remnants Toggle scanning the text layer for unlinked URLs/Emails. --check-remnants
--max-links INTEGER Maximum number of links/remnants to display in the detailed report sections. 50
--help Show command help and exit. N/A

Example Run

pdflinkcheck analyze "TE Maxson WWTF O&M Manual.pdf" --max-links 10

Run from source

git clone http://github.com/city-of-memphis-wastewater/pdflinkcheck.git
cd pdflinkcheck
uv sync
python src/pdflinkcheck/analyze.py

⚠️ Platform Compatibility Note

This tool relies on the PyMuPDF library, which requires specific native dependencies (like MuPDF) that may not be available on all platforms.

Known Incompatibility: This tool is not officially supported and may fail to run on environments like Termux (Android) due to underlying C/C++ library compilation issues with PyMuPDF. It is recommended for use on standard Linux, macOS, or Windows operating systems.


Document Compatibility

While pdflinkcheck uses the robust PyMuPDF library, not all PDF files can be processed successfully. This tool is designed primarily for digitally generated (vector-based) PDFs.

Processing may fail or yield incomplete results for:

  • Scanned PDFs (images of text) that lack an accessible text layer.
  • Encrypted or Password-Protected documents.
  • Malformed or non-standard PDF files.

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