Blender Project — Blender 3D project file.
Quick facts
What is .blend
A .blend file is a Blender Project — Blender 3D project file.
In the mime-db registry it maps to application/x-blender. When serving .blend over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to application/x-blender — and is delivered over HTTP via the Content-Type header.
How to open .blend files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: application/x-blender
Common software that reads/writes .blend:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .blend files
How to create .blend files
Frequently asked questions
Common options include Blender. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .blend extension.
application/x-blender is the media type identifier used for .blend files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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