AMF vs OBJ — Comparison & Free Converter
Fast, instant AMF to OBJ conversion. No signup required. Just drop your .amf file and get .obj in seconds.
Batch Settings
Some metadata may not survive
Your AMF file may contain AMF metadata metadata. OBJ has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
About AMF to OBJ Conversion
AMF or OBJ — which format should you use? The answer depends on your needs. Here's a quick breakdown.
AMF (Additive Manufacturing Format) is an XML-based 3D printing format supporting materials and colour. It has niche platform support. OBJ is a simple 3D geometry format supporting vertices, faces, and texture coordinates. It has mostly universal platform support.
Full Name: AMF uses Additive Manufacturing Format, while OBJ uses Wavefront OBJ. Compression: AMF uses None (uncompressed), while OBJ uses None (uncompressed). Typical File Size: AMF uses 1–50 MB, while OBJ uses 1–500 MB (text-based, large for complex models).
So when should you convert AMF to OBJ? This conversion is ideal when you Your AMF file won't open on a recipient's device or in an application, or when you A website, service, or platform only accepts OBJ uploads. This conversion helps you improve file compatibility across devices.
Converting AMF to OBJ maintains high quality with CocoConvert's optimised encoder settings.
If you've decided OBJ is the right choice, CocoConvert makes the conversion effortless. Upload your .amf file, pick OBJ, and click Convert — done in seconds. The converter runs on secure servers in Germany, powered by FFmpeg, Sharp, and qpdf. Files are encrypted via TLS and erased within 24 hours.
Free tier: 5 files/hour, 250 MB each. Pro: 100 files/hour, 5 GB each. Works in every modern browser on desktop and mobile.
How to Convert AMF to OBJ
- 1
Choose your AMF file
Upload your .amf file using drag-and-drop or the file browser. Batch mode lets you add multiple files.
- 2
Set format to OBJ
Select .obj from the output options. The converter applies optimal quality settings automatically.
- 3
Run the conversion
Click Convert. Server-side processing means your device stays fast — even for large 3d model files.
- 4
Get your OBJ file
Download your converted file instantly. Batch downloads are available as a zip archive.
What Happens When You Convert AMF to OBJ
Your AMF file is decoded and re-encoded as OBJ.
Your AMF file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in OBJ format with optimal settings
The converted file is ready for download
AMF vs OBJ — Detailed Comparison
| Feature | .AMF | .OBJ |
|---|---|---|
| Full Name | Additive Manufacturing Format | Wavefront OBJ |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 1–50 MB | 1–500 MB (text-based, large for complex models) |
| Platform Support | Very Limited | Very Wide |
| Browser Support | none | none |
| Year Created | 2013 | 1992 |
| Open Standard | Yes | Yes |
Should You Convert AMF to OBJ?
When to Convert
- ✓Your AMF file won't open on a recipient's device or in an application
- ✓A website, service, or platform only accepts OBJ uploads
Frequently Asked Questions
Should I use AMF or OBJ?
It depends on your goal. AMF preserves full quality. OBJ preserves full quality. Choose based on whether file size or quality matters more for your use case.
Is OBJ higher quality than AMF?
Not necessarily. Converting AMF to OBJ maintains high quality with CocoConvert's optimised encoder settings. Quality depends on the compression type and settings, not just the format name.
Can I convert AMF to OBJ on Mac and Windows?
Yes. CocoConvert is a web-based tool that works in all modern browsers — Chrome, Safari, Firefox, Edge — on any operating system including macOS, Windows, Linux, iOS, and Android.
Is CocoConvert free for AMF to OBJ?
Yes. Free users get 5 conversions per hour (250 MB each). Pro subscribers unlock 100 files per hour, 5 GB per file, and priority processing.
What tools does CocoConvert use for AMF to OBJ?
CocoConvert uses FFmpeg for audio/video, Sharp for images, and qpdf for documents — the same open-source libraries used by Netflix, YouTube, and major enterprise platforms.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.