📌 Setup Instructions for Localhost Testing

1

Install a CORS Extension

Choose and install one of these browser extensions:

Moesif CORS

Allow CORS

CORS Everywhere

2

Enable the Extension

Click the extension icon in your browser toolbar and turn it ON.

⚠️ Remember to turn it OFF after testing for security!

3

Test Your Localhost URL

Click "Continue with Extension" below and test your URL

📋 Manual Copy & Paste Method

Don't want to install an extension? Use this manual method:

1

Open your localhost page

Navigate to your localhost URL in a new tab (e.g., http://localhost:3000)

2

View Page Source

Right-click and select "View Page Source" or press Ctrl+U (Windows) or Cmd+U (Mac)

3

Copy All HTML

Select all (Ctrl+A) and copy (Ctrl+C) the HTML code

4

Paste Below

Contact Us

We're here to help and answer any questions you might have

Get in Touch

📧 Email

blackmirrorapps.com@gmail.com

⏰ Response Time

We typically respond within 24-48 hours during business days

Common Inquiries

Technical Support: Issues with the tool
Feature Requests: Suggestions for improvements
Bug Reports: Problems you've encountered
Business Inquiries: Partnership opportunities

Frequently Asked Questions

How do I test localhost URLs?

Use our browser extension method or copy-paste HTML method for testing localhost URLs.

Is OG Tester Pro free to use?

Yes, OG Tester Pro is completely free. We support the service through advertisements.

Do you store the URLs I test?

No, we don't store any URLs or personal data. Your privacy is important to us.

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