Filestar*
Download

Reduce mk3d file size

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Mk3d file(s) on your desktop and select Convert with Filestar.

  3. Type reduce file size in the search box.

  4. Press Run.

  5. Or let an AI agent do it: filestarcli -i file.mk3d -c "reduce file size" (how).

Let your AI agent reduce MK3D file size

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows only.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Use Filestar to reduce MK3D file size in my Downloads folder”

Or run it yourself:

filestarcli -i file.mk3d -c "reduce file size"

Runs on your computer, so your files stay on it. Works on Windows. 50 free conversions with the npm install, no account needed.

Can my AI agent reduce MK3D file size?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.mk3d -c "reduce file size" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is .mk3d?

Name
Matroska 3D Video File
Extension
.mk3d
Format
Binary
Category
Video
Developer
Matroska
Description
A Matroska 3D Video File (MK3D) is a video file that stores 3D media and is based on the Matroska media container. It supports a variety of 3D formats, including 3D-AVC, 3D-HEVC, and 3D-VP9, and can also contain audio, subtitles, and other data. MK3D files are used for watching 3D movies, and are typically played using media players such as VLC and Plex.
MIME Type
video/x-matroska

Reduce Mk3d File Size Today

Get started within minutes

Download