since 2000
All about LLM Files
The LLM file type is primarily associated with Second Life.
What is an LLM file?
LLM files mostly belong to Second Life by Linden Lab. Files with LLM file extension consist of 3D meshes saved in the Base or Base Level of Detail (LOD) format and used to visualize 3D avatars in games like Second Life by Linden Labs. LLM files are commonly called Linden Lab Mesh and they contain groups of polygons used to describe the physical properties of 3D avatars so you may likely encounter Linden Lab Mesh files as hair_mesh.llm, upper_body.llm, etc. The data in base-formatted LLM files represent the initial meshes created for a 3D avatar whereas Level of Detail (LOD)-formatted LLM files define multiple meshes used to render 3D avatars at different proximities from the camera to simulate smaller and larger appearance of an avatar when it is close or far away. Note that the LOD mesh that references the base mesh. LLM files are defined in the executable at \SecondLife\character\file_name.llm as well as in the source code at \linded\indra\newview\file_name.llm.
How to open LLM files
You need a suitable software like Second Life to open an LLM file. You need a suitable software like Second Life from Linden Lab to open an LLM 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 LLM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a LLM file directly in the browser:. Just drag the file onto this browser window and drop it.
Online LLM Text Viewer
or drag and drop it here
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4 Steps to Open an Unknown .LLM File
Since .LLM files come from various programs, they aren't universally openable.
- Identify the Source: Receiving the file from a 3D artist or a virtual world gamer often suggests it is a 3D avatar mesh used in gaming software.
- Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable XML/JSON implies a structured text format.
- "PK" indicates a standard ZIP archive.
- Unreadable symbols suggest a proprietary binary 3D format.
- Use the Original Software: You usually need the original program to open it, such as Linden Lab's Second Life or compatible 3D modeling tools; if unsure, ask the sender.
- Use this Webpage: Drag and drop the file here to detect its format, extract readable text or metadata, and preview contents when possible.
Technical Data for LLM File Extension
File classification:
3D Image
Related files:
Related links:
Mime type:
an llm 3D avatar mesh is a special file format by Linden Lab and should only be edited and saved with the appropriate software.
How to solve problems with LLM files
- Associate the LLM file extension with the correct application.
- Update your software that should actually open 3d avatar meshes. Because only the current version supports the latest LLM file format. Search, therefore, e.g. on the Linden Lab manufacturer website after an available Second Life update.
- To make sure that your LLM file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
- Click here to open your .LLM file online - secure, fast, and no downloads needed.