modcore Extension Manager is a privacy-focused, open-source browser extension that gives users full control over their installed extensions. Developed and maintained by modcore, it provides a comprehensive toolset to manage, analyze, and organize browser extensions securely, without collecting or transmitting personal data.
Designed for privacy-conscious users and developers, modcore Extension Manager ensures that all operations are performed locally on your device, offering complete transparency and control over your browser environment.
modcore Extension Manager is a lightweight yet powerful extension management tool. It allows users to:
- View all installed extensions and their detailed metadata.
- Inspect requested permissions and potential security risks.
- Enable, disable, uninstall, or organize extensions efficiently.
- Maintain multiple profiles and extension groups for different use cases.
Unlike many extension management tools, modcore EM does not collect user data. Your browsing activity and extension configurations remain entirely on your device.
This tool is ideal for:
- Privacy-conscious users who want full control over their browser.
- Developers managing multiple extensions or testing configurations.
- Power users who want insight into browser performance and security.
modcore Extension Manager offers a rich set of features for comprehensive extension control:
- Enable, disable, or uninstall extensions with a single click.
- Group extensions into custom profiles for work, gaming, or other use cases.
- Quickly search and filter installed extensions by name, type, or status.
- Inspect permissions requested by each extension.
- Identify potential risks, conflicts, or deprecated extensions.
- View Version information, ID information, and much more.
- Zero data collection — all processing occurs locally on your device.
- No telemetry, tracking, or analytics integrated in the extension.
- Strict Content Security Policy (CSP) prevents malicious code execution.
- Fully functional without an internet connection, except for GitHub API metadata retrieval.
- Cached data is stored locally and does not contain personally identifiable information.
- Export extension settings, groups, and profiles to a JSON file for backup or migration.
- Import previous configurations easily to maintain your preferred setup.
- Fetch public metadata for extensions available on GitHub.
- Ensure accurate and up-to-date information without transmitting your data.
You can install modcore Extension Manager manually in your Chromium-based browser:
- Go to the Releases page.
- Download the latest
.ziprelease. - Open your browser’s Extensions page (
chrome://extensions/). - Enable Developer Mode.
- Click Load unpacked and select the folder extracted from the zip file.
Once installed, the modcore icon will appear in your browser toolbar.
After installation:
- Click the modcore icon in your browser toolbar.
- Browse and manage your installed extensions.
- Create profiles or groups to organize your extensions.
- Use the backup feature to save your settings.
All operations are performed locally — no sign-in or cloud account is required.
- Organize extensions into multiple profiles for different scenarios.
- Enable or disable entire groups at once for efficient management.
- Review permission requests and potential security risks.
- Detect conflicts or deprecated extensions quickly.
- Access all stored settings and profiles via your browser's developer tools.
- Export and import JSON files to control your data fully.
We welcome contributions from the community!
- Fork the repository at GitHub.
- Create a feature branch for your changes.
- Submit a pull request with a clear description of your improvements.
Please read the CONTRIBUTING.md file for guidelines.
modcore Extension Manager is released under the modcore Open-Use License Agreement.
See LICENSE.md for full details.
For questions, bug reports, or feature requests, please visit our GitHub Issues page.
We respond to community feedback to help improve the tool and ensure a secure, reliable experience.
Email: NGDE@WEB.DE
Twitter: @modcoretech
- Complete control over extensions without compromising privacy.
- Fully open-source and community-driven development.
- No cloud dependencies or telemetry.
- Designed for users who want security, transparency, and efficiency.
modcore Extension Manager is maintained by the modcore team. Our mission is to provide a secure, private, and reliable tool for managing your browser extensions while keeping your data under your control.
