Rokoko for animation.

Rokoko is a Danish brand of consumer motion capture and animation technology products.Empowering 3D digital creators with high quality sensor based motion capture systems for body, finger and face animations.

You can start with only two web cams and you have great result. See the official website.

Deepmotion online tool comes with the Animate 3D V2.6.

The Animate 3D V2.6 update is all about feet! We have added new settings to give you more control over your animations. If you've ever experienced feet floating over the ground, or a desire to completely detach the feet from the ground, we've got you covered!

For 60 seconds you can use the free account and if you want more then see the prices.

Features:

• 60 animation seconds/month, for free!
• Export FBX, BVH, GLB, and MP4 ;
• Max HD (720p) input videos ;
• Store up to 3 Custom Characters ; 
• Max 30 FPS input videos ;
• No Storage Limits for Animations ;
• Private animations ;
• Licensed for Personal Use

This online tool lets you create your 3D custom character and use it.

I test with this video from youtube and this is the result:

You can find this online tool on this webpage.

The official youtube channel can be found here.