If you see that message, refresh the page and discover the new version of AllToMP3!
Providing such a service with a website is very hard, and you may have had a bad experience during the last months. So I'm currently working on an application you will be able to install, which will work far better than the website. It's coming in the next weeks, so stay tuned!
Plus, it's now open-source: https://github.com/AllToMP3