Welcome to fetchext

fetchext is a powerful Python CLI tool designed to download, analyze, and audit browser extensions from Chrome, Edge, and Firefox web stores.

• :material-console: CLI Reference

  Comprehensive guide to all fext commands, flags, and options.

• :material-microscope: Analysis & Forensics

  Learn how to inspect code, visualize dependencies, and detect risks.

• :material-server: Deployment

  Guides for Docker, local mirroring, and enterprise integration.

• :material-download: Installation

  Get started with pip, docker, or source installation.

Key Features

• Multi-Browser Support: Download from Chrome, Edge, and Firefox stores.
• Deep Analysis: Calculate entropy, complexity, and scan for secrets.
• Security Auditing: Detect MV3 issues, dangerous permissions, and vulnerable libraries.
• Forensics: Visualize file timelines and dependency graphs.
• Automation: Batch processing, JSON output, and CI/CD integration.

Quick Start

# Install
pip install fetchext

# Download an extension
fext download chrome <url>

# Analyze it
fext analyze --risk <file>