Site Logo

Test Java Scripts Snippets

Your snippet must be wrapped with <script> tags

Your snippet must be wrapped with <script> tags

The Button code must NOT be wrapped with <script> tags

About CheckTheTag.com

CheckTheTag.com is a free online tool that allows developers, marketers, and businesses to test JavaScript snippets in real-time. Whether you're debugging HTML, JavaScript, or embedded third-party scripts, our platform ensures that your code functions as expected before you deploy it live.

Why Use CheckTheTag.com?

  • Instant Code Execution: Preview your JavaScript snippet with one click.
  • Safe and Secure: Temporary test environments mean no impact on live websites.
  • Responsive & Mobile-Friendly: Test JavaScript on desktop and mobile browsers.
  • Ideal for Developers & Marketers: Debug scripts, A/B testing code, and conversion tags.

How It Works

Simply copy and paste your JavaScript snippet, hit “Preview,” and see your code in action. Our system generates a temporary static HTML file that is automatically cleaned up once you're done.

Get Started Now

Try CheckTheTag.com today and test your first JavaScript snippet!