Entroplot

entroplot is a Rust-based command-line tool for analyzing and visualizing file entropy.
It helps reverse engineers, security researchers, and developers uncover patterns, randomness, or structure in binary data.

✨ Features

• 📂 Analyze the entropy of any file
• 📈 Generate entropy plots to visualize randomness and structure
• 🛠️ Simple CLI interface

🚀 Installation

Clone the repository and build with Cargo:

git clone https://github.com/Piyush-Bhor/entroplot.git
cd entroplot
cargo build --release

The compiled binary will be available at target/release/entroplot.

🖥️ Usage

Basic usage:

entroplot <file>

Example:

entroplot ./samples/malware.bin

This generates a plot (entropy_chart.png by default) showing the entropy distribution of the file.

Output file customization

entroplot ./samples/malware.bin --output-file /path/to/output.png
# or shorthand
entroplot ./samples/malware.bin -o /path/to/output.png

Help

entroplot --help

Generate entropy plots

Usage: entroplot [OPTIONS] <INPUT_FILE>

Arguments:
  <INPUT_FILE>  The path to the input file whose entropy will be calculated

Options:
  -o, --output-file <OUTPUT_FILE>  Path to save the entropy chart [default: entropy_chart.png]
  -h, --help                       Print help
  -V, --version                    Print version

📊 Example Output

🧪 Development

Run tests with:

cargo test

🛣️ Roadmap

• Add interactive entropy visualization
• Support additional file formats
• Export results to JSON/CSV
• Include more statistical measures beyond Shannon entropy

🤝 Contributing

Contributions, bug reports, and feature requests are welcome! Please open an issue or submit a pull request.

📜 License

This project is licensed under the GNU GPL v3. See the LICENSE file for details.

Made with ❤️ by Piyush Bhor