MMD AnimationSmoother Tool does just that!

Where can I download the MMD MotionSmoother Tool? How do I use the Tool? Is there a shortcut to making smoother motions?

Make animation smoother with one simple tool…
MMD AnimationSmoother Tool

MikuMikuDance is an amazing software to animate with, with little to no limits on what you can do. Animating is a long challenging process that takes a lot of time and effort depending on how you want the final production to look.


You may not need to spend all that time to edit your motion keyframes with the “interpolation curve” if you want a liquid smooth look to your animations. I have discovered one simple tool you can use to do all that within a few clicks and seconds: the MMD AnimationSmoother Tool. The source of this tool is unknown; some of you may already know about this tool.

Download the Motion Smoothing Tool. It’s a free download.

Unzip the folder… we recommend using Bandizip. Once you have created your motion file, save it to a location where you can drag it directly into the tool; preferably save it in the same location as the tool.

Once you have dragged the file and clicked OK on the tool it will take a few seconds to create the motion file, the new file should be named Out.vmd and should be saved on the Desktop or the same location as the tool or motion data.

Now you are done! You have just made a motion file that will smoothen everything for you. Load it onto your model and watch as it moves fluidly and realistically, here is what the keyframes should now look like:


Note that, because every frame has data in it, you can’t really edit that motion after the motion-smoother is applied. So, if you want to make changes to the motion, keep a backup of your original motion file. Edit whatever you need to in that original file and then when you are certain everything is right, place it into the tool and load it again. … Also note that the new motion file is a much larger file size than the original motion file.

Because the newly created motion file is SO huge, you may find that a longer motion will lock-up MMD… so, you might want to use it on only short-parts of your motion file. Create a VMD of just the part of the motion that you WANT to smooth… smooth it… and then copy/paste that motion back into your main production.

Here is an example of the MotionSmoother… the Haku on the Left is the original motion file.
See how the Haku on the Right now has a bit of “deceleration” with a bounce at the top of the motion and again at the end of the motion… and, it’s hard to see it in this GIF, but the finger-motion of the right hand is nicely smoothed-out as the fist closes. (Also, I see that the AnimationSmoother Haku didn’t get the message to close her eyes.)

Example of the MMD AnimationSmoother Tool at work!

Original Motion VS MMD AnimationSmoother Tool

Add any motion file you want to the tool. It will correct and smooth any motion file you please.

Download the Motion Smoothing Tool. … and give it a try!


Visit the Homepage! Plenty of Mikumikudance instruction and info!