Free online ABC to FBX converter

Source format: ABC

ABC is a lightweight text-based format used to describe 3D scenes, meshes, animation data, or other structured content depending on the software that created it. In many workflows, ABC files are associated with Alembic caches, which are widely used in film, VFX, and animation pipelines to store baked geometry and animation for interchange between tools. Because it is often used as an intermediate cache, ABC files are common in studios and among artists working with Maya, Houdini, Blender, Cinema 4D, and similar 3D applications.

Typical use cases include transferring animated meshes, preserving deformation data, and moving scene data between applications without relying on editable source rigs or procedural setups.

Target format: FBX

FBX is a widely supported 3D interchange format developed by Autodesk. It is commonly used for models, rigs, animations, cameras, lights, and materials in game development, animation, and visualization workflows. FBX is popular because it is supported by many major 3D tools and game engines, including Autodesk Maya, 3ds Max, Blender, Unity, and Unreal Engine.

Its main advantages are broad compatibility and the ability to carry complex scene data in a single file. FBX is often chosen when animated assets need to be imported into engines or exchanged between DCC applications.

How to perform the conversion

The best method depends on what your ABC file actually contains. If it is an Alembic cache, the most reliable approach is to use a 3D application that can import Alembic and export FBX.

Using Blender:

1. Open Blender.
2. Import the ABC file with File → Import → Alembic (.abc).
3. Check that the animation, scale, and orientation imported correctly.
4. Export to FBX with File → Export → FBX (.fbx).
5. In the export options, enable the settings you need for your target app or engine, such as Selected Objects, Apply Transform, and animation export options.
6. Save the file as yourfile.fbx.

Using Autodesk Maya:

1. Import the Alembic cache with File → Import or the Alembic import tools, depending on your setup.
2. Verify the scene data and animation playback.
3. Export using File → Export Selection or File → Export All, then choose FBX export.
4. Adjust FBX export settings as needed for animation, smoothing, and axis conversion.
5. Save the result as yourfile.fbx.

Using 101convert.com: you can convert the file on 101convert.com for free, without installing any software, if the site supports your specific ABC-to-FBX workflow.

Notes on quality, compatibility, or limitations

ABC to FBX conversion is not always one-to-one. Alembic files are often cache-based and may store baked geometry and animation, while FBX is a broader interchange format that may represent rigs, materials, and scene structure differently. As a result, some data may not transfer perfectly.

Common limitations include loss of procedural rigging, material differences, camera/light discrepancies, and axis or scale mismatches. If the ABC file contains only baked animation, the conversion is usually straightforward. If it contains complex scene data, you may need to recheck normals, UVs, frame rate, and transform hierarchy after export.

For best results, test the FBX in the destination application or engine before using it in production.