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Clari-Fi

Clari-Fi uses blurring to simulate the challenges of viewing small icons, images and text on mobile screens

 

Pro version of assessment tool

This page can be used to apply a calibrated level of Gaussian blurring to an image, in order to help evaluate its visual clarity. This tool is designed for use with mobile screenshots, banner adverts, or ‘mockups’ of screenshots that are full width, but not necessarily full height.

If you haven’t done so already, please read the introduction, which includes a summary of the assessment process, and also describes how the Clari-Fi Check Levels are calibrated to population data.

Initially, this tool will run in ‘free demo’ mode, which will add watermarks to the images. These watermarks can be removed by entering a licence key, which can be purchased by emailing software@enterprise.cam.ac.uk. Photoshop and PowerPoint versions of Clari-Fi Pro are available to download, and these use the same licence key.

By default, this tool uses a level of blurring that corresponds to a screen width of 68 mm, which represents iPhone 6 / 7 / 8. This can be changed using the drop-down menu below.

Get started by using the ‘Choose files’ button below to select any number of image files. To ensure the quality of the simulations, each of these images should be at least 720 pixels wide. The images will be processed locally by your computer; they are not transferred over the Internet.

When viewing the blurred versions of the images, they should be presented at a reasonably large size, such that moving closer or further away from the screen doesn’t make any difference to the details that can be perceived.

This service is designed for desktop use only.
Images displayed:

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