AdMockup Dummy Ad Generator

A free utility to generate and test mock AdSense-like ads on your website before applying for real codes.

Protect your account: The 100% safe way to test AdSense layouts without risking an "invalid impressions" ban.

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How to safely test AdSense responsive ads locally

Developers and webmasters often face a critical problem: testing real Google AdSense code on a local environment (localhost), staging server, or during development can lead to permanent account suspension. Generating "invalid impressions" or accidental clicks on your own real ad units is a strict violation of AdSense policies.

Why use AdMockup?

AdMockup completely eliminates this risk. It generates a lightweight, standalone Javascript snippet that visually mimics standard AdSense ad units—like Leaderboards, Medium Rectangles, and Responsive blocks—without making any actual network requests to Google's ad servers.

How to design layouts around AdSense

To ensure your website layout doesn't break when real ads load, simply select your desired Format Size above, copy the generated snippet, and paste it into your HTML where the ad should eventually appear. The mock ad behaves exactly like a real ad block, allowing you to debug layout shifts (CLS), responsive breakpoints, and mobile styling with 100% safety.

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