Effortlessly Launch Chrome Extensions with CRXLauncher
CRXLauncher makes it incredibly easy to load Chrome extensions (.crx or .zip files) instantly without Developer Mode. Whether you're testing, previewing, or launching offline extensions, CRXLauncher provides a clean, fast, and reliable way to install and use your tools across supported Chromium browsers—no hassle, no setup.

Also available for Edge, Opera
CRXLauncher Features
One-Click Launch
Skip Developer Mode and launch your .crx or .zip extensions directly with a single click.
Safe & Secure
All extensions run in a controlled environment with permission checks and file validation.
Works Across Browsers
Compatible with Chrome, Edge, Opera, and other Chromium-based browsers without extra setup.
How It Works
Install CRX Launcher
Add our extension from the Chrome Web Store with a single click.
Upload Extension File
Drag and drop your .crx or .zip extension file into CRX Launcher.
Start Using
Your extension is installed and ready to use immediately.
Compatible with your browser
CRX Launcher works seamlessly with all major Chromium-based browsers
Frequently Asked Questions
What is CRXLauncher and what does it do?
CRXLauncher enables users to seamlessly install Chrome extensions from Opera Addons and CRX files into Chromium-based browsers such as Chrome, Edge, and Opera. It supports a wide range of Chrome APIs to ensure high compatibility across extensions.
How can I install an extension from the Opera Addons Webstore?
To install an Opera extension using CRXLauncher:
- First, install CRXLauncher from the Chrome Web Store.
- Navigate to the Opera Addons Webstore.
- Click the Install with CRXLauncher button on the addon's sidebar.
- The installation will begin automatically via the CRXLauncher interface.
- Once confirmed, the extension will be available in your browser.
Can I install a CRX file using CRXLauncher?
Yes, you can install local CRX files using these steps:
- Install CRXLauncher from the Chrome Web Store.
- Open the CRXLauncher settings page.
- Click Choose File and upload the desired .crx file.
- If compatible, the extension will be installed.
Note: Automatic updates are not available for CRX file installations.
Does CRXLauncher support automatic updates?
CRXLauncher provides automatic updates only for extensions installed from the Opera Addons Webstore or hosted sources. CRX files do not support auto-update functionality.
Which manifest versions does CRXLauncher support?
CRXLauncher is fully compatible with both Manifest v2 and Manifest v3, allowing developers flexibility in extension design.