After a few seconds, the slides change color to black and white, and images appear in grayscale. Check each slide to make sure that all of the text is black.

To give it a try, simply paste the URL of a black-and-white image and tap “colorize it.” After a few seconds of processing, a comparison of the original and colorized images appears.

A Swedish machine-learning researcher named Emil Wallner has released a free web tool called Palette.fm that automatically colorizes black-and-white photos using AI. After uploading a photo, users ...

Convert image to high-contrast black-and-white in Photoshop Black and white images do not have to be dull and lifeless. There are no colors but they can still look sharp and smooth.