Queue MP4 files
Choose one or more non-empty .mp4 files up to 100 MB each. Each queue row retains its own playable source audio preview.
Free online MP4 to WAV converter
Make WAV audio copies from MP4 videos.
Queue MP4 files, create a fresh PCM WAV from the first readable audio stream, then listen to and download every completed result.
- Files not stored
- Queue MP4 files
- 100 MB each
Processed by our self-hosted conversion engine
Supported files
MP4 in. WAV out.
MP4WAV
Add MP4 audio files up to 100 MB each. Fileverses creates a new WAV result with this route’s documented conversion profile; review the completed download before using it elsewhere.
How it works
One queue. A new WAV file.
Create WAV audio copies
Start the queue to have FFmpeg map the first readable audio stream from each MP4 and encode it as a new PCM signed 16-bit little-endian WAV.
Listen and download
Inspect every completed WAV in the queue, then download that separately named audio result.
Limits and quality
A new WAV file, with source-specific trade-offs.
Each result is a newly encoded PCM signed 16-bit little-endian WAV, not copied MP4 audio. WAV can be substantially larger than its compressed source, has no promised output size, and cannot recover earlier audio detail.
Convert MP4 nowMP4 sources with audio
This route accepts non-empty .mp4 files up to 100 MB each. The selected file must be readable by the host FFmpeg installation and have a readable audio stream.
New uncompressed PCM WAV
Each result is a newly encoded PCM signed 16-bit little-endian WAV, not copied MP4 audio. WAV can be substantially larger than its compressed source, has no promised output size, and cannot recover earlier audio detail.
First audio stream only
The profile maps only the first audio stream, removes source metadata, and excludes video. It does not preserve video, alternate audio tracks, subtitles, attachments, chapters, original codecs, or metadata, and has no trimming, sample-rate, channel, or bitrate controls.
MP4 to WAV FAQ
Questions, answered.
What MP4 files can I convert to WAV?+−
This converter accepts non-empty .mp4 files up to 100 MB each. FFmpeg must be able to read the MP4 and find a readable audio stream for conversion to succeed.
What does the downloaded WAV contain?+−
A successful result is a newly encoded WAV with PCM signed 16-bit little-endian audio. It contains only the first readable audio stream from the MP4.
Does MP4 to WAV keep the video?+−
No. This is an audio-only conversion. The profile excludes video and writes a WAV file, so no MP4 video stream is included in the download.
Can I convert several MP4 files at once?+−
Yes. Add multiple supported MP4 files to the queue. The browser submits one real server-side conversion at a time, and every successful row receives its own WAV player and download button.
Will the WAV be smaller or recover original quality?+−
No. PCM WAV is uncompressed and can be much larger than an MP4 audio track. The new encode cannot restore detail lost in an earlier source, and the final size depends on the source and encoder output.
Does this keep alternate audio tracks or metadata?+−
No. The profile maps only the first audio stream, removes source metadata, and excludes video. It does not promise alternate-track, subtitle, chapter, attachment, original-codec, or metadata preservation.
Can I trim the MP4 or choose WAV settings?+−
No. This route has no trimming, stream-selection, sample-rate, channel, bitrate, or quality controls. It uses its fixed PCM signed 16-bit little-endian WAV profile.
Are files kept after conversion?+−
Each source and output exists in a temporary server directory only while its conversion runs. The directory is removed whether the job succeeds or fails.