Stupeflix, one of my go-to video creation tools for the last eight years, is shutting down in 2018. In a message posted on their website, the Stupeflix team explains that the service is now closed to new users. Current Stupeflix users who have created accounts on the site will have until August 2018 to use the service. I wouldn't wait that long to start looking at other options.
Alternatives to Stupeflix
Sharalike is one option to consider when you want to create an audio slideshow. The concept behind Sharalike is much like the one behind Stupeflix. To create an audio slideshow on Sharalike simply import some images from your computer, your Android device or from your iPad, drag them into the sequence in which you want them to appear, and then add some music. Sharalike offers a small collection of stock music that you can use or you can upload your own music.
Adobe Spark's video creation tool seems to get more popular by the day. Some key features of Adobe Spark's web app include an integrated Creative Commons image search tool, the option to download images as JPEGs, and the option to download your videos as MP4 files. In the video embedded below I demonstrate how to create images, web pages, and videos with Adobe Spark in your web browser.
Animoto has stood the test of time and continues to be a fan favorite for making audio slideshow videos. Animoto offers a web app, an Android app, and an iOS app. All three apps let you quickly add music to a selection of your favorite pictures. You can upload pictures or import them from a number of social networks including Instagram.
Typito is a good tool for creating simple videos. Typito is designed for making audio slideshows like those you might have made in the old YouTube photo slideshow tool or with Animoto. Typito offers a bit more control over the editing process than Animoto does. Watch the video below to see a demonstration of Typito.