ASE File Format (.ase)
An ASE file is 3ds Max's ASCII Scene Export, a plain-text dump of a scene's meshes, materials, cameras, lights and keyframe animation, written to be easy for another program's importer to parse.
ASE at a glance#
| Full name | 3ds Max ASCII Scene Export |
|---|---|
| File extension | .ase |
| Category | 3D Models |
| Developer | Autodesk |
| Other extensions | .ask |
| Compression | Uncompressed |
| FileFlip support | FileFlip reads this format but does not write it |
What a .ase file can hold#
These are the things a ASE file either supports or does not, and they are what decides whether a conversion keeps everything or quietly drops something.
| Embedded metadata | Yes |
|---|---|
| Textures and materials | Yes |
| Human readable | Yes |
Strengths and limitations of ASE#
What ASE does well
- Plain ASCII text, so any language can generate or parse it without a binary SDK
- Carries mesh, material, camera, light and keyframe animation data together in one file
- Was the standard way to get 3ds Max content into game engines before FBX took over that role
Where ASE falls short
- 3ds Max exports ASE but has no built-in importer for it, so reading one back into Max needs a script or plugin
- Verbose text encoding makes an ASE file far larger than the same scene saved as FBX or 3DS
- Effectively superseded by FBX for every current 3ds Max pipeline
Export ASE when a target tool's importer specifically expects it, which in practice means an older or custom game-engine pipeline.
Convert ASE to FBX or glTF for any pipeline built after FBX became 3ds Max's standard interchange format.
How to open a .ase file#
A .ase file opens in the programs below, grouped by the platform you are on. If you would rather not install anything, FileFlip converts ASE into a format your machine already opens, and it does it in the browser tab rather than on a server.
| Platform | Programs that open it |
|---|---|
| Windows | 3ds Max (export) |
| Web | FileFlip |
ASE questions people ask#
What is an ASE file?
An ASE file is 3ds Max's ASCII Scene Export, a text file listing a scene's meshes, materials, cameras, lights and keyframe animation. It was designed so a game engine or another tool could write a straightforward text parser for it rather than needing 3ds Max's binary SDK.
Can 3ds Max open an ASE file it previously exported?
Not directly. 3ds Max ships an ASE exporter but no matching importer, so getting an ASE file back into Max requires a MAXScript or a third-party plugin rather than File, Import.
Is ASE still used instead of FBX?
Rarely for new work. ASE was the common way to move 3ds Max scenes into game engines before FBX became the standard interchange format, and it mainly still turns up in older pipelines or tools whose importer was written specifically for it.
Converting ASE files#
Convert ASE to another format
FileFlip does not write .ase files, so nothing on the site converts into this format. It works as a source only.
Every conversion runs inside your browser. The file is read from your disk, the work happens on your own machine, and nothing is uploaded. How FileFlip works names the engine behind each family and how to verify that for yourself.