<img src="src/assets/images/inlinea.png" width="32" height="32" align="center"> Inlinea

The Linux-first, native, and clean PDF editor.

Built with Python, GTK 4, and Libadwaita, Inlinea is designed for users who need a fast, distraction-free environment for reading and annotating PDF documents.

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✨ Key Features

🖋️ Powerful Annotations

• High-Fidelity Highlighting: Smooth, multi-line text highlights and underlines.
• Area Selection: Draw boxes to highlight specific diagrams or regions.
• Inline Text Editing: Add text anywhere on the page with a clean popup editor.
• Custom Colors: Personalize your annotations with an integrated color picker.

📖 Professional Viewing Experience

• Browser-Style Tabs: Efficiently manage multiple documents in one window.
• Adaptive Layouts: Toggle between single-page, dual-page, and continuous scroll modes.
• Fluid Zoom: Precise pinch-to-zoom and Ctrl+Scroll support.
• Lazy Rendering: Lightning-fast thumbnail sidebar, even for massive documents.

🛠️ Seamless Workflow

• Native PDF Standards: Annotations are saved directly into the PDF; no sidecar files needed.
• Flattened Export: Generate clean PDFs for sharing where annotations are baked into the layout.
• Robust Undo/Redo: Full history support for all your edits.

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📸 Preview

<p align="center"> <img src="src/assets/images/screenshot0.png" width="49%" /> <img src="src/assets/images/screenshot1.png" width="49%" /> </p>

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🚀 Getting Started

Prerequisites

Inlinea requires GTK 4, Poppler, Cairo, and PyMuPDF.

Fedora / RHEL

sudo dnf install \
  gtk4-devel libadwaita-devel python3-gobject \
  python3-cairo poppler-glib-devel cairo-devel python3-pymupdf

Ubuntu / Debian

sudo apt install \
  libgtk-4-dev libadwaita-1-dev python3-gi python3-cairo \
  libgirepository1.0-dev libpoppler-glib-dev gir1.2-poppler-0.18 python3-pymupdf

Running Locally

Clone the repository and run:

python3 main.py

Desktop Integration

To add Inlinea to your system's "Open With" menu and register it as a PDF handler:

bash install-desktop.sh

This installs a .desktop entry to ~/.local/share/applications/.

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🤝 Contributing

Contributions are welcome! If you have a feature request or found a bug, please check out our Contributing Guidelines.

📄 License

This project is licensed under the MIT License. License