Convert caf to gsm

  1. Download and install the latest version of Filestar.

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

  3. Type convert to gsm in the search box.

  4. Press Convert.

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

Let your AI agent convert CAF to GSM

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

Then ask your agent:

“Convert the CAF files in my Downloads folder to GSM”

Or run it yourself:

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

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

Can my AI agent convert CAF to GSM?

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.caf -c "convert to gsm".

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .caf and .gsm?

Extension
.caf
.gsm
Format
Binary
Binary
Category
Audio
Audio
Developer
Apple
European Telecommunications Standards Institute (ETSI)
Description
Digital audio format based on Apple's Core Audio technology; stores audio data as well as text annotations, markers, channel layouts, and other information; similar to an .AIFF or .WAVE file, but does not have a 4GB size limit and can store any number of audio channels.
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.
MIME Type
audio/x-caf
audio/x-gsm

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