Convert WMA to WAV

Before you start

A WMA to WAV conversion works best when the source file is available on the device where you will run the converter. Find the original WMA file and note its location; do not rely on a link or player-only copy that cannot be opened as a file.

WMA is a compressed audio format, while standard WAV is usually uncompressed PCM audio. Converting to WAV does not add detail that was removed when the WMA was created. It mainly changes the container and makes the audio easier to open in editors or devices that do not support WMA.

Check whether your converter runs locally on your computer or uploads files to a service. For private voice memos, recordings or meeting audio, prefer software that processes the file locally unless you have verified the service's privacy and file-handling terms.

Step-by-step instructions

These steps describe the common desktop workflow in Windows and macOS audio tools. Menu names vary by version and application, so use the exact labels shown by your program.

First, open the audio converter or editor that supports both WMA input and WAV output. In a program that imports media, use the Open or Import command and select the WMA file. In an audio editor, the file may open as a new project rather than appearing in a media library.

Second, choose the export, save as, convert or batch conversion option. If the tool has input and output format selectors, set the input to WMA when needed and set the destination format to WAV.

Third, check the available output settings before confirming. Tools may offer WAV formats such as signed 16-bit PCM, 24-bit PCM or 32-bit float. A common compatibility choice is 16-bit PCM; editors that support higher bit depths may allow 24-bit or float output, but those files are larger.

Fourth, select the sample rate only when the software exposes it. Keeping the source sample rate, such as 44.1 kHz or 48 kHz, avoids an unnecessary resampling step. If the tool does not show a sample rate option, it usually preserves the source value automatically.

Fifth, choose a destination folder and file name, then run the conversion. Keep the original WMA file until you have verified the WAV output, so you can repeat the process with different settings if necessary.

Check the output

Open the resulting WAV file in a known audio player and play several sections, including the start, middle and end. Listen briefly at normal volume for obvious gaps, clipping, speed changes or missing audio.

Compare the duration shown by the player with the duration of the original file. A close match is a good basic sign that the conversion completed without cutting or stretching the audio.

Expect the WAV file to be noticeably larger than the WMA source. A rough reference is that one minute of mono 16-bit 44.1 kHz WAV audio is about 5 MB, and one minute of stereo is about 10 MB; exact size depends on bit depth, sample rate and channels.

A WAV converted from a compressed WMA should sound broadly like the source, but it will not have higher fidelity than the original. Small losses may already be present in the WMA and will remain after the format change.

Common problems and next steps

If the converter reports an unsupported or protected file, the WMA may use digital rights management or a codec that the tool cannot read. Try the file in the player that originally opened it; if it plays there, test a different converter that supports the same WMA variant.

A very large WAV output usually means you selected a high bit depth, multiple channels or a high sample rate. Re-run the conversion with 16-bit PCM and the source sample rate when compatibility or file size is more important than maximum format headroom.

If playback is too quiet or distorted, first compare the original and converted files in the same player at the same volume. Do not raise the level during conversion unless the software lists an explicit normalization or gain setting; keep any change small and reversible.

For voice recordings that will be further edited, a PCM WAV is often a suitable working format. Once editing or archiving is finished, you may export to a smaller format again if storage space matters.