grayscaler demo

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Getting the bookmarklet

To get the grayscaler bookmarklet, drag the following link to your bookmarks bar, and then click it to run it on any page. You may also click the link below directly to use it on this page for testing. (Refresh the page to reset it.)

grayscaler

When run, the grayscaler bookmarklet desaturates all colors on a page. This bookmarklet is useful for simulating complete color blindness and ensuring that you incorporate non-color cues for users. Can you still read everything? Can you still identify links and buttons and other interactive elements because of context, styling, or decoration?

Test images