filoshi.com / formats / aiff-to-flac

Convert AIFF to FLAC

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

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How to convert AIFF to FLAC 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
    FLAC is auto-selected. Hit Convert - FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted FLAC 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 FLAC?

Free Lossless Audio Codec (.flac) - FLAC compresses audio without any quality loss. Files are about half the size of WAV while being perfectly identical when decoded. It is the gold standard for music archival.

Common use: Music archival, audiophile playback, lossless music distribution

Frequently Asked Questions

Is converting AIFF to FLAC free?+
Yes! You can convert AIFF to FLAC 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 FLAC lose quality?+
It depends on the formats involved. If both AIFF and FLAC 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 FLAC 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 FLAC?+
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 FLAC?+
Yes, the Filoshi desktop app supports batch conversion. You can drop an entire folder of AIFF files, select FLAC as the output format, and convert them all at once. Each file gets its own progress bar.

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Need batch AIFF to FLAC 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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