modcore Extension Manager

modcore Extension Manager is a privacy-focused, open-source tool for managing browser extensions. Developed by modcore, it gives users full control over installed extensions - all locally, without collecting or sending personal data.

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Overview

modcore Extension Manager is lightweight yet powerful. It allows you to:

• View installed extensions and detailed metadata
• Inspect permissions and identify potential risks
• Enable, disable, uninstall, or organize extensions
• Maintain multiple profiles

Ideal for:

• Privacy-conscious users
• Developers managing multiple extensions
• Power users seeking control over browser performance and security

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Key Features

Extension Management

• Enable, disable, or uninstall extensions quickly
• Organize extensions into profiles
• Search and filter by name, type, or status

Insights

• Inspect extension permissions and risks
• Identify conflicts or deprecated extensions
• View version, ID, and more detailed metadata

Privacy & Security

• Zero data collection; all processing is local
• No tracking, analytics, or telemetry
• Strict Content Security Policy (CSP) prevents malicious code execution

Offline Support

• Fully functional offline (except GitHub metadata fetch)
• Local cached data contains no personal information

modcore Snapshot

• Export/import extension settings, profiles, and more as JSON

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Installation

1. Go to the Releases page
2. Download the latest .zip release
3. Open your browser’s Extensions page (chrome://extensions/)
4. Enable Developer Mode
5. Click Load unpacked and select the extracted folder

The modcore EM icon will appear in your toolbar.

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Getting Started

1. Click the modcore EM icon in your toolbar
2. Browse and manage installed extensions
3. Create profiles for organization
4. Use the backup feature to save your settings
5. And so much more!

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Contributing

Contributions are welcome!

1. Fork the repository at GitHub
2. Create a feature branch for your changes
3. Submit a pull request with a description of your improvements

See CONTRIBUTING.md for guidelines.

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License

modcore Extension Manager is released under the Apache 2.0 License.
See LICENSE for details.

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Support

For questions, bugs, or feature requests, visit our GitHub Issues page.

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Contact

Email: modcoretech@proton.me
X (formerly Twitter): @modcoretech

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modcore Extension Manager is maintained by the modcore team to provide a secure, private, and reliable extension management experience.