Free online W64 to MP2 converter

Source format: W64

W64 is an audio container format developed by Sonic Foundry/Sony as an extension of the standard WAV family. It is designed to store large uncompressed audio files and is especially useful when a recording exceeds the 4 GB size limit of classic WAV. W64 is commonly used in professional audio editing, archiving, and post-production, where long recordings or high-resolution audio need to be preserved without compression.

Target format: MP2

MP2 (MPEG-1 Audio Layer II) is a compressed lossy audio format widely used in broadcasting, digital radio, and some legacy video workflows. Its main advantages are small file size, broad compatibility with media tools, and reliable performance at moderate bitrates. MP2 is older than MP3 but remains important in professional and broadcast environments because it is simple, efficient, and well supported by hardware and software players.

How to perform the conversion

The most reliable way to convert W64 to MP2 is with FFmpeg, a powerful command-line tool that supports both formats. Because W64 is usually uncompressed, FFmpeg can read it directly and encode the audio into MP2.

1. Install FFmpeg if it is not already available on your system.
2. Open a terminal or command prompt in the folder containing your W64 file.
3. Run a command such as ffmpeg -i input.w64 -c:a mp2 -b:a 192k output.mp2.
4. Adjust the bitrate if needed. Common MP2 bitrates include 128k, 192k, and 256k.
5. Play the resulting output.mp2 file in a media player to confirm the conversion worked correctly.

If you prefer a graphical workflow, you can also use audio editors such as Audacity or Adobe Audition when they support importing W64 and exporting MP2 through installed codecs or export options. In many cases, the simplest path is to open the file and choose File → Export, then select MP2 as the output format if available.

You can also convert the file on 101convert.com for free, without installing any software.

Notes on quality and limitations

W64 is lossless, while MP2 is lossy, so the conversion permanently discards some audio detail. For that reason, it is best to keep the original W64 file if you may need an archival or editing copy later. The output quality depends mainly on the chosen bitrate: higher bitrates preserve more detail but create larger files.

Compatibility is generally good for MP2 in broadcast and media software, but it is less universally supported than MP3 in consumer devices and web players. Also, if your W64 file contains multiple channels, unusual sample rates, or very high-resolution audio, make sure the target MP2 settings match your intended playback environment. MP2 is typically used for standard stereo or broadcast-oriented audio, so some advanced source properties may be downmixed or resampled during conversion.