I wanna port an animation to blender from roblox but I have no idea to do it does anyone know?
Since Blender and Roblox treat animating differently, you can only export animations TO roblox, not from. Roblox does not use bones like Blender does, so once an animation is in Roblox it only works there because it converts the bones to something else. Therefore when you export it back out of Roblox into Blender, there’s no bones which means no animation. You might be able to get the animation to play if you recreate the rig and name all of the new bones the same, but I have not tried this.
Blender rig exporter/animation importer - Resources / Community Tutorials - DevForum | Roblox This community resource is what @laurengif might be referring to. Keep in mind it glitches if you try to import an animation from Blender to Roblox, if you are in a Team Create session. It only works in a local place!