Ad Corrector

What it does

Ad Corrector helps you review billboard and outdoor ad creative for readability at speed. Upload your ad and get a quick check that shows what stands out, what gets missed, and how the design performs in Speed View and Heat Map mode. It’s built to help people spot potential issues before an outdoor ad goes live.

Free billboard and outdoor ad testing tool. Evaluate clarity, contrast, layout, and message visibility in seconds with rule-based scoring.

Upload your billboard or outdoor ad design to test clarity, contrast, layout, and message visibility in seconds. Rule-based scoring. Same input, same result. Your feedback was sent and will help make Ad Corrector better. Detect low contrast, crowded layouts, and weak hierarchy using objective visibility checks before launch. Evaluate clarity and structure by simulating real-world viewing distances and driving speeds. Get a data-driven grade (A–F), heatmap, and directional insights to help guide your design refinements. Ad Corrector focuses on how easily drivers can understand your message at driving speeds, not on campaign performance. Each test looks at clarity signals and provides…from adcorrector.com

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