Opening a KM3 File

The KM3 file type is primarily associated with Kernel MetaMetaModel.

KM3	File extension: KM3
	File type:	Kernel MetaMetaModel files

What is a KM3 file

KM3 files mostly belong to Kernel MetaMetaModel. KM3, the Kernel Meta Meta Model, provides a textual concrete syntax that eases the coding of metamodels. Its syntax is simple, straight forward and has some similarities with the Java notation. A .KM3 file can be transformed into a metamodel and serialized in XMI. Present tools support Eclipse EMF Ecore and MOF 1.4 (using Netbeans MDR). KM3 abstract syntax (metamodel) is based on Ecore and eMOF 2.0.

How can I open a KM3 file?

You need a suitable software like Kernel MetaMetaModel to open a KM3 file. You need a suitable software like Kernel MetaMetaModel to open a KM3 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your KM3 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a KM3 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online KM3 Text Viewer

Choose your .km3 file to analyze

or drag and drop it here

Online File Viewer

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Trouble Opening a .KM3 File? These Steps Will Help

Because .KM3 files come from various programs, they aren't universally openable.

Identify the Source: A software engineer sender suggests a Kernel MetaMetaModel file, while a game developer implies a 3D asset.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable text defining classes suggests a Kernel MetaMetaModel script.
- "PK" indicates a standard ZIP archive.
- Random binary data implies a proprietary format.
Use the Original Software: The original program is usually required; try Eclipse IDE, ATL tools, or a 3D engine, but ask the sender if uncertain.
Use this Webpage: Drag and drop your file here to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for KM3 File Extension

Related files:

km2

Related links:

Wikipedia KM3 Page, Eclipse.org Home

a km3 Kernel MetaMetaModel file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with KM3 files

Associate the KM3 file extension with the correct application.
Update your software that should actually open Kernel MetaMetaModel files. Because only the current version supports the latest KM3 file format. Search, therefore, e.g. on the manufacturer website after an available Kernel MetaMetaModel update.
To make sure that your KM3 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .KM3 file online - secure, fast, and no downloads needed.