What is a .vrm file?
VRM Avatar is a 3D/CAD format developed by VRM Consortium, first released in 2018. It is usually created by VRoid Studio, VTuber apps.
A glTF binary with humanoid-avatar extensions, so it loads as a normal 3D model.
File details
| Full name | VRM Avatar |
|---|---|
| Category | 3D & CAD |
| MIME type | model/gltf-binary |
| Signature (magic bytes) | 67 6C 54 46 (glTF) |
| Developer | VRM Consortium |
| Introduced | 2018 |
| Opens with | 3D viewer |
| Uploaded? | No — read locally in your browser |
How to open a .vrm file
OpenAnyFile routes .vrm files to its 3D viewer, which shows an interactive model you can rotate and zoom.
- Drop your .vrm file on the box above, click it to choose the file, or paste it with Ctrl+V.
- The real format is detected from the file's first bytes — not just its name.
- The file opens in the 3D viewer.
- Use fullscreen for a closer look, check its checksums, or download it back unchanged.
What works — and what does not
Works
Viewing and inspecting: an interactive model you can rotate and zoom. Size, type, signature and checksums are always shown.
Does not work
Editing and saving back. OpenAnyFile is a viewer, not an editor — for changes you still need the original app.
Is it safe to open a .vrm file online?
Here, yes — because nothing is uploaded. Most "online viewers" send your file to their server. OpenAnyFile reads it with your browser's File API and decodes it on your own device, so there is no copy anywhere else. You can check: open your browser's network tab while opening a file — no upload appears.
Questions about .vrm files
Can I open a .vrm file without installing software?
Yes. OpenAnyFile opens .vrm files in your browser using its 3D viewer. You get an interactive model you can rotate and zoom, with nothing installed and no account.
How do I know a file is really a .vrm file?
Check its first bytes instead of its name. A genuine VRM file begins with 67 6C 54 46 (glTF). OpenAnyFile shows the detected type, so a renamed file is easy to spot.
Is my .vrm file uploaded anywhere?
No. The file is read locally by your browser and never sent to a server — it even works offline once the page has loaded.
Does it work on phones?
Yes — on Android and iPhone, in any modern browser. You can also install OpenAnyFile as an app.
Related formats
Other formats from the same family:
Format facts checked and page updated on September 25, 2026.