Print Java Serialization Stream

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

Or let an AI agent do it: filestarcli -i file.dat -c "print" (how).

Let your AI agent print Java Serialization Stream

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:

“Use Filestar to print Java Serialization Stream in my Downloads folder”

Or run it yourself:

filestarcli -i file.dat -c "print"

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 print Java Serialization Stream?

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

Using Filestar With AI Agents · Download SKILL.md

What is .dat?

Name: Java Serialization Stream
Extension: .dat
Format: Binary
Category: Other
Developer: Oracle
Description: A Java Object Serialization Stream - a Java program's saved state (often a game save) written with ObjectOutputStream. Filestar reads the objects, class descriptors and field values the stream holds and dumps them as JSON text.
MIME Type: application/java-serialized-object
Wikipedia: .dat on Wikipedia

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