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SEE-IT stands for Sight Exclusion Estimator - Interactive Tool. This tool can be used to assess the visual clarity of text or graphics that are handheld. It estimates the number of people who would be unable to perceive such designs quickly and easily.

For e-commerce images, our Clari-Fi tool provides a quick and approximate visual clarity check. It simulates the challenges of viewing these images on a mobile phone, often at a size that is smaller than a postage stamp.

SEE-IT was developed by a team from the Engineering Design Centre at the University of Cambridge.


SEE-IT can help to identify improvements for visual designs, and can estimate how many customers would benefit from the changes. See our Unilever case study for more detail.

This assessment worked extremely well to communicate how usable our images were, as the percentage exclusion is easy to explain and understand. ”

- Unilever global e-commerce director


Start by preparing for your assessment:   Prepare


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This online tool is available royalty-free, in perpetuity, for any desired purpose.

We are currently developing an Excel spreadsheet that can perform SEE-IT calculations. If you would be interested in purchasing access to this spreadsheet, please contact us at