Free online Video Maker - convert still images to a movie

As a regular user, I sometimes want to convert a series of still images into a beautiful-looking video. This seems like a simple task, but I don't want to download a complicated app to do it. So my preference is to use an online tool that works locally on my machine. And here comes the time to list my requirements.
Software requirements:

No istanllation - no extensions, no downloads, no clouds

Drag and Drop image upload or a simple browse button

Audio support (nice to have)

Simple to use interface

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Video Maker for the Web
The Fiveko Video Maker is a simple online tool that create photo gallery to video. This web software meets the above requirements and provides some additional features such as:

Ability to rearrange the list of images by dragging

Automatic image scale

No banner or mandatory overlays

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Useful links:
Catalog of free online tools and apps