pic

README

pic

A powerful command-line tool to capture full-page screenshots and PDFs of websites using headless Chrome.

Features

• 📸 Capture full-page screenshots of any website
• 📄 Export web pages as PDF documents
• 🎯 Handle fixed headers/footers with adjustable margins
• 🔗 Automatic HTTPS protocol handling
• 📁 Smart filename generation based on URL
• 🚀 Fast and lightweight
• 🖥️ Cross-platform support
• 🖼️ Automatically opens captured files after saving

Installation

Prerequisites

• Go 1.19 or higher
• Chrome or Chromium browser installed

Build from source

git clone https://github.com/yourusername/pic.git
cd pic
go build -o pic main.go

Install with Go

go install github.com/yourusername/pic@latest

Download Pre-built Binary

Visit the releases page to download pre-compiled binaries for your platform.

Usage

pic [options] <URL>

Options

• --pdf - Output as PDF instead of PNG
• --fixed-top <pixels> - Fixed top margin in pixels (for handling fixed headers)
• --fixed-bottom <pixels> - Fixed bottom margin in pixels (for handling fixed footers)

Examples

# Basic screenshot
pic https://example.com

# Without protocol (defaults to HTTPS)
pic example.com

# Save as PDF
pic --pdf example.com

# Handle fixed header (100px) and footer (50px)
pic --fixed-top 100 --fixed-bottom 50 example.com

# Combine PDF output with fixed margins
pic --pdf --fixed-top 100 example.com

Output

Screenshots are saved in the current directory with filenames based on the URL:

• example.com → example.com.png
• example.com/blog → example.com_blog.png
• docs.github.com/en → docs.github.com_en.png

How it works

pic uses rod, a high-level Chrome DevTools Protocol library, to:

1. Launch a headless Chrome instance
2. Navigate to the specified URL
3. Wait for the page to fully load and stabilize
4. Capture a full-page screenshot or generate a PDF
5. Handle fixed headers/footers if specified
6. Save with a sanitized filename
7. Automatically open the saved file

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

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

Acknowledgments

• rod - The Chrome DevTools Protocol library that powers pic
• gson - Simple JSON library for Go