AAC .aac
A lossy audio format widely used in streaming and mobile devices.
AAC file format guideAAC to AIF converter
Convert AAC (.aac) to AIF for free. Choose files, review the available settings and download your results. No account needed.
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AIFF (AIF) .aif
A short extension for Audio Interchange File Format. AIFF commonly stores uncompressed PCM audio for editing and interchange.
AIF and AIFF are extension variants. Tested output uses 16-bit big-endian PCM; sample conversion can alter precision.
AIF file format guideHow to convert AAC to AIF
- Select AAC files from your device or drag them into the converter.
- Check the AIF output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Choose the sample rate, trim range, and mono or stereo output. Compressed audio formats can discard detail; converting to a lossless format cannot restore sound already lost. Container support depends on the codec inside the file.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.