Convert iff to spx

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Iff 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 photo.iff -c "convert to spx" (how).

Let your AI agent convert IFF 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 IFF files in my Downloads folder to SPX”

Or run it yourself:

filestarcli -i photo.iff -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 IFF to SPX?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.iff -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 .iff and .spx?

Extension
.iff
.spx
Format
Binary
Binary
Category
Raster Image
Audio
Developer
Electronic Arts
Xiph.Org
Description
The IFF (Interchange File Format) is a file format originally developed by Electronic Arts and Commodore-Amiga in the 1980s. It was designed to facilitate the sharing and storage of multimedia data, such as images, audio, and video, between different software applications and systems. The format is chunk-based, allowing it to encapsulate various types of data within a single file by organizing them into self-contained blocks. While it was most prominently used on Amiga computers, the IFF format has influenced the development of subsequent file formats, including the widely used AIFF (Audio Interchange File Format) for audio files.
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
image/x-iff
audio/ogg

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