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CRX Emulator icon

CRX Emulator

by CRX Emulator

Developer tools crx-emulator chrome-extensions developer-tools testing sandbox privacy security offline-extensions
CRX Emulator icon

CRX Emulator

by CRX Emulator

Developer tools crx-emulator chrome-extensions developer-tools testing sandbox privacy security offline-extensions
Screenshot 1

Quick Look

Safely test and run Chrome extensions (.crx files) in a secure, isolated sandbox without installation or data tracking.

AI Overview

Who is this for?

Developers testing extensions and users verifying offline extensions.

Key Features

  • → Secure sandbox environment for testing CRX files
  • → No installation required, preserving browser settings
  • → Zero data tracking and local storage only
  • → Isolation ensures privacy and browser data protection

Reviews Analysis

Overall Sentiment

Overwhelmingly Positive

Users praise the extension for its secure and private way to test CRX files without installation.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • ✓ Excellent for testing CRX files safely
  • ✓ Protects privacy and browser data
  • ✓ User-friendly and requires no installation

Points to Consider

    No specific cons identified.

Official Description

From the Developer


Emulate CRX files in your browser CRX Emulator allows you to test and run Chrome extensions (.crx files) securely in a sandboxed environment, ensuring complete privacy and isolation from your browser. Whether you're a developer testing your extensions or a user verifying an offline extension, CRX Emulator offers a safe, installation-free solution with no data tracking.

🔒 Privacy & Security Runs in a Secure Sandbox – CRX files are executed in an isolated environment, preventing unauthorized access to your browser data. No Installation Required – Test extensions without modifying your browser settings. Zero Tracking – We do not collect, store, or transfer any data to third-party servers. Local Storage Only – Your settings and data remain inside your browser and are never accessed or shared.

Privacy policy No unnecessary data tracking – The extension only requests permissions required for its core functionality. All optional permissions require user approval – The extension will not access websites or perform actions without user consent. Local storage only – Any stored data remains in the browser and is never sent to external servers.

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.8/5.0

    (770 ratings)

  • Users:200,000
  • Version:1.0.4
  • Updated:Aug 10, 2025
  • Developer:Visit Website →

Stats from Chrome Web Store


Add to Chrome / Chromium

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