Convert gsm to mp2

Download and install the latest version of Filestar.
Right click on one or more Gsm file(s) on your desktop and select Convert with Filestar.
Type convert to mp2 in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.gsm -c "convert to mp2" (how).

Let your AI agent convert GSM to MP2

Claude Code, Codex, Cursor and other agents can do this with Filestar. This skill runs in Filestar's cloud and needs a paid Filestar plan.

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 GSM files in my Downloads folder to MP2”

Or run it yourself:

filestarcli -i file.gsm -c "convert to mp2"

Runs in Filestar's cloud and needs a Filestar plan.

Can my AI agent convert GSM to MP2?

Yes, with a paid Filestar plan: this skill runs in Filestar's cloud. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.gsm -c "convert to mp2".

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .gsm and .mp2?

Name: GSM 06.10 Lossy Speech Compression; MPEG Layer II Compressed Audio File
Extension: .gsm; .mp2
Format: Binary; Binary
Category: Audio; Audio
Developer: European Telecommunications Standards Institute (ETSI); Moving Picture Experts Group
Description: A lossy file format used to compress speech in Global Standard for Mobile (GSM) telecommunications. It is very effective for reducing audio file size. However, encoding and decoding audio signals severally is discouraged as the final product will have a lot of noise. Popular with some voice mail software but it is CPU intensive.; Audio format that uses MPEG-1 Layer II compression to reduce the file size; mainly replaced by the ubiquitous .MP3 format, but is still used for digital radio and digital television broadcasts.
MIME Type: audio/x-gsm; audio/mpeg
Sample: sample.mp2
Wikipedia: .gsm on Wikipedia; .mp2 on Wikipedia

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