You must be signed in to Google in order for the converter to work.
Once you're singed in, you can click on the File and copy or download a copy for yourself into your own Google Drive. You'll need to give permission for the buttons such as Print, "Show needle pattern", "Show Loom Pattern" to work.
The Loom Knit Converter is offered for use for free here on the website, with no warranty expressed or implied. If you'd like assistance or support using the converter or you'd like a copy of your own to work with, purchase a $25/year site membership for support and assistance.