BookGlutton is committed to providing free tools in the hopes of expanding the presence and quality of books on the Web. Here is a list of our current tools. They're free for personal use and development, but if you're interested in using any of these in production environments, please let us know.

HTML to EPUB Converter
The EPUB conversion tool accepts an HTML file, via POST request to api/getepub, and returns an EPUB file. It's an easy way to quickly get Web content into the portable EPUB format.