Convert 3gpp to spx

  1. Download and install the latest version of Filestar.

  2. Right click on one or more 3gpp file(s) on your desktop and select Convert with Filestar.

  3. Type convert to spx in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.3gpp -c "convert to spx" (how).

Let your AI agent convert 3GPP to SPX

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

Then ask your agent:

“Convert the 3GPP files in my Downloads folder to SPX”

Or run it yourself:

filestarcli -i file.3gpp -c "convert to spx"

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 3GPP to SPX?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.3gpp -c "convert to spx" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .3gpp and .spx?

Extension
.3gpp
.spx
Format
Binary
Binary
Category
Video
Audio
Developer
Third Generation Partnership Project
Xiph.Org
Description
It is an audio and video file format specially created to send multimedia files over the internet and to save mobile phone videos. 3GPP was developed by the 3rd Generation Partnership Project.
Audio file compressed using Speex compression and saved in the Ogg Vorbis container format; designed as an audio compression format specifically for speech; compresses voice at 2 to 44 kbps and supports 8 kHz, 16 kHz, and 32 kHz compression in the same bitstream.
MIME Type
video/3gpp
audio/ogg

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