Certainly! Below is a simple example of a keyword generator using HTML, CSS, and JavaScript in a single HTML file. Copy and paste the code into an HTML file, and open it in a web browser to see it in action: ```html

Keyword Generator

Enter a phrase:

Generated Keywords:

``` This code creates a simple webpage with an input field, a button, and a result area. Users can enter a phrase, click the "Generate Keywords" button, and the keywords will be displayed below.