filoshi.com / formats / aiff-to-au

Convert AIFF to AU

The AIFF format is commonly used by specialized software. By converting it to AU, you reduce file size and increase compatibility. Filoshi runs this conversion completely offline.

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How to convert AIFF to AU for free

  1. 1
    Drop your AIFF file
    Drag it onto the converter above, or click Browse Files to select it from your computer.
  2. 2
    Click Convert
    AU is auto-selected. Hit Convert - FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted AU file downloads instantly. Nothing was uploaded to a server.
Source Format

What is AIFF?

Audio Interchange File Format (.aiff) - AIFF is Apple's uncompressed audio format, similar to WAV. It is used in professional music production, especially on macOS.

Common use: Professional audio on macOS, Logic Pro, GarageBand

Output Format

What is AU?

AU (.au) - AU is a file format that can be converted to other formats using Filoshi. The conversion runs entirely on your machine with no uploads required.

Common use: Specialized software and workflows

Frequently Asked Questions

Is converting AIFF to AU free?+
Yes! You can convert AIFF to AU for free right in your browser using Filoshi's online converter. No signup or software download needed. For batch conversion of multiple files, the Filoshi desktop app is available for a one-time $14.90 payment.
Does converting AIFF to AU lose quality?+
It depends on the formats involved. If both AIFF and AU use lossless compression, no quality is lost. If the conversion involves a lossy format, some quality reduction may occur, but Filoshi uses optimized settings to keep quality loss minimal. The conversion runs entirely on your machine, so there are no server-side compression artifacts.
Can I convert AIFF to AU without uploading my file?+
Absolutely. Filoshi processes everything locally on your computer. Your AIFF files are never uploaded to any server. Even the free browser converter runs entirely in your browser using WebAssembly, with no server involved.
How long does it take to convert AIFF to AU?+
Most conversions complete in seconds. Larger files (like high-resolution video) may take a bit longer depending on your computer's hardware. Since Filoshi runs locally, there is no upload or download wait time, which is significantly faster than online converters.
Can I batch convert multiple AIFF files to AU?+
Yes, the Filoshi desktop app supports batch conversion. You can drop an entire folder of AIFF files, select AU as the output format, and convert them all at once. Each file gets its own progress bar.

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Convert to AU

Need batch AIFF to AU conversion?
The web converter handles 1 file at a time. Filoshi desktop converts unlimited files, runs offline, and supports 3,000+ formats.
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