Convert FLAC to AIFF
Free, fast FLAC → AIFF. No watermarks, no sign-up.
How to convert FLAC to AIFF
1. Upload FLAC
Drop your FLAC file into the converter above.
2. Confirm AIFF
Output is already set to AIFF. Adjust only if you need to.
3. Download
Convert and download your AIFF file instantly.
Format Details
FLAC
FLAC (Free Lossless Audio Codec) is an open-source audio format that compresses audio without any loss of quality, allowing perfect bit-for-bit reconstruction of the original recording. It typically reduces file sizes by 40-60% compared to uncompressed WAV while remaining completely lossless. FLAC is the format of choice for audiophiles, music archivists, and mastering engineers who require studio-quality audio fidelity in a manageable file size.
audioAIFF
AIFF (Audio Interchange File Format) is an uncompressed audio container developed by Apple, commonly used in professional music production and macOS workflows. Convert to MP3, WAV, FLAC, and other formats.
audioConverting FLAC to AIFF: what actually changes
FLAC to AIFF is one of the conversions this site performs, but the two formats are not interchangeable containers. Here is what the file keeps, what it loses, and how to get a result you can use.
What .FLAC and .AIFF each hold
.FLAC is a audio format built for listening to or editing a recording, storing sample rate, channels and bitrate. .AIFF is a audio format built for listening to or editing a recording, storing sample rate, channels and bitrate. Converting between them is a decision about which of those two jobs the result needs to do.
What changes in the conversion
Both files belong to the audio category, so this is a like-for-like repackage: the same kind of content, stored in a different container. What changes is how .AIFF encodes sample rate, channels and bitrate — not what the file is about.
Quality and file size
Both .FLAC and .AIFF are lossless, so the content itself survives the trip intact. The main difference is how efficiently each format packages sample rate, channels and bitrate — which is what changes the file size.
When this conversion is the right one
Reach for .AIFF when the software, device or platform you are sending to expects it — the content is the same audio, only the packaging differs. The reverse direction works the same way, so you can always convert back from .AIFF to .FLAC using the same tool.
Tips for a clean FLAC to AIFF conversion
Start from the original file
Convert the .FLAC you started with, not an earlier .AIFF output. Every extra round trip costs quality and can accumulate formatting drift.
Check the real type, not the extension
Audio/flac becomes audio/aiff. If a file was renamed rather than converted, it will fail to open — rename it back to its true extension before uploading and the conversion will recognise it.
Length decides the time
Conversion runs in real terms on duration: a few seconds of media finishes almost at once, while a full-length .FLAC takes noticeably longer. Upload once and let it finish rather than retrying.
Limits worth knowing
Uploads are capped per file (30 MB, or 100 MB for video) and processed temporarily — nothing is kept as a permanent copy. For huge audio files, split or compress the source first.
Frequently Asked Questions
How do I convert FLAC to AIFF?
Upload your FLAC file on Convertek, select AIFF as the output format, then click Convert. Your AIFF file will be ready to download instantly.
Is the FLAC to AIFF converter free?
Yes. Converting FLAC to AIFF on Convertek is completely free with no watermarks. Fair upload limits apply (typically 30 MB per file).
Is my file kept after conversion?
No. Files are processed temporarily and not stored permanently. Converted downloads are available only in your browser session.
What is the difference between FLAC and AIFF?
FLAC and AIFF are different file formats with distinct use cases. Converting between them lets you use your file in software or workflows that require the AIFF format.