What is a heat map?

A heat map is a graphical representation of data that uses a color-coded system to show the density of data points in a given area. Heat maps are often used to visualize large amounts of data, such as website traffic or weather patterns, in a way that is easy to understand and interpret. There are two main types of heat maps:

2D heat maps

These heat maps display data on a two-dimensional grid, with each cell of the grid representing a specific data point. The color of each cell corresponds to the value of the data point, with warmer colors indicating higher values and cooler colors indicating lower values.

3D heat maps

These heat maps display data in three dimensions, with the third dimension typically representing the value of the data point. This type of heat map is often used to display data in a more interactive and dynamic way, allowing users to rotate and zoom in on the data for a better understanding of the patterns and trends.

Heat maps can be used for a variety of applications, such as:

Limiting access

Some PDF editors and viewers allow you to set permissions for a document, such as restricting who can view, print, or copy the contents of the file (specifically our online tool HelpRange can help you in that). This can be useful for preventing unauthorized access or sharing of sensitive information.

Website analytics

Heat maps can be used to visualize website traffic, such as where visitors are clicking and how they are interacting with the site. This can help website owners and designers understand how users are interacting with their site and make improvements accordingly.

Medical research

Heat maps can be used to visualize data from medical imaging studies, such as MRI or CT scans, in order to help identify areas of the body that have been affected by disease or injury.


Heat maps can be used to understand consumer behavior and preferences by analyzing data such as foot traffic in a physical store or clicks on an online ad. Medical research: Heat maps can be used to visualize data from medical imaging

Social media analytics

Heat maps can be used to visualize data from social media platforms, such as likes, shares, and comments, to understand user engagement and identify trends.

PDF analytics

Heat maps can be used to visualize usage of PDFs. We built HelpRange to show you such heat maps.

A Few Words Of Summary

Heat maps provide a quick and easy way to identify patterns and trends in large amounts of data, making them a valuable tool for understanding complex information in a visually appealing way.

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