Free online AIF to BWF converter

Source format: AIF

AIF usually refers to Audio Interchange File Format, an audio container developed by Apple. It is widely used in Mac-based audio production, especially for uncompressed or lightly compressed audio. AIF files are common in music editing, sound design, archiving, and professional studio workflows. They often store high-quality PCM audio and may include metadata such as loop points or markers.

Target format: BWF

BWF stands for Broadcast Wave Format, a professional audio format based on WAV. It is designed for broadcast, film, post-production, and archival audio. The main advantage of BWF is that it supports a standard WAV-compatible audio stream plus embedded metadata, such as time reference, description, originator, and coding history. This makes it especially useful when audio must stay synchronized across editing systems.

How to perform the conversion

The most reliable way to convert AIF to BWF is with a desktop audio editor or converter that can export Broadcast Wave files. A common choice is Audacity, and professional tools such as Adobe Audition, Reaper, or Pro Tools may also work depending on your workflow.

1. Open the .aif file in your audio software.
2. Check the audio properties, especially sample rate, bit depth, and channel count.
3. Choose File → Export or File → Save As, depending on the program.
4. Select WAV/BWF or Broadcast Wave as the output format. In some programs, BWF is listed as a WAV variant.
5. If available, fill in metadata fields such as description, originator, or time reference.
6. Save the file with a .bwf or .wav extension, depending on the software’s naming convention.

If you want a quick browser-based option, you can convert the file on 101convert.com for free without installing any software.

Notes on quality and compatibility

AIF to BWF conversion is usually lossless if both formats use the same PCM audio settings, because the audio data can be copied without re-encoding. However, if the source AIF uses a compressed codec or unusual encoding, the file may need to be decoded and re-saved, which can affect quality.

Keep in mind that BWF is essentially WAV with extra metadata, so the audio itself remains broadly compatible with most editors and players. The main benefit is improved broadcast and production metadata support. Not every consumer player displays BWF metadata, but professional tools generally do. If your goal is long-term archiving or post-production exchange, BWF is often a better choice than standard AIF.