Convert as4 to nut

Download and install the latest version of Filestar.
Right click on one or more As4 file(s) on your desktop and select Convert with Filestar.
Type convert to nut in the search box.
Press Convert.

Or let an AI agent do it: filestarcli -i file.as4 -c "convert to nut" (how).

Let your AI agent convert AS4 to NUT

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

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:

“Convert the AS4 files in my Downloads folder to NUT”

Or run it yourself:

filestarcli -i file.as4 -c "convert to nut"

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

Can my AI agent convert AS4 to NUT?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.as4 -c "convert to nut" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .as4 and .nut?

Name: Electronic Arts ASF Audio; NUT Open Multimedia Container
Extension: .as4; .nut
Format: Binary; Binary
Category: Audio; Video
Developer: Electronic Arts; The nut file type was created by the FFmpeg project.
Description: Audio file in Electronic Arts' ASF music format (.asf/.as4), used by EA games of the 1990s; starts with an SCHl, SHEN or 1SNh header and holds ADPCM-compressed game audio and music.; The nut file extension is associated with the NUT a patent-free, multimedia container format originally conceived by a few MPlayer and FFmpeg developers that were dissatisfied with the limitations of all currently available multimedia container formats such as AVI, Ogg or Matroska.
MIME Type: application/x-nut
Sample: sample.as4

Convert As4 To Nut Today

Get started within minutes

Download