Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<style>
img {
    -webkit-filter: grayscale(100%); /* Chrome, Safari, Opera */
    filter: grayscale(100%);
}
</style>
</head>
<body>

<p>Convert the image to grayscale:</p>

<img src="pineapple.jpg" alt="Pineapple" width="300" height="300">

<p><strong>Note:</strong> The filter property is not supported in Internet Explorer.</p>

</body>
</html>