EN🌐English▾
WAV→MP4

WAV to MP4

Pair a WAV recording with a still image and get an MP4 that YouTube, Instagram and TikTok accept.

or drag and drop your file

By using our service you accept our Terms of Service and Privacy Policy.

🛡️100% Secure
⚡Browser-Based
🎬20+ Formats
🔒No Data Stored
✓Free Forever

How to convert WAV to MP4

From WAV to an uploadable video in three steps

1. Upload your WAV1

1. Upload your WAV

Drag the WAV onto the page or click “Upload”. Up to 1 GB per file, which is a little over an hour and a half of CD-quality stereo.

2. Choose the cover image2

2. Choose the cover image

Upload a JPG or PNG and it stays on screen for the whole recording. Use 1920 by 1080 for YouTube, or 1080 by 1920 for Reels and TikTok.

3. Download the MP4 and post it3

3. Download the MP4 and post it

The MP4 carries AAC audio, which every platform accepts, and the file is far smaller than the WAV you uploaded.

Convert now
WAV to MP4 converter

Video platforms need a video file

YouTube, Instagram and TikTok reject a plain audio file. Putting the WAV into an MP4 with a still image is the standard way to publish a mastered track or a voice recording on any of them.

MP4 selected as the output format for a WAV file

About a fifth of the size

WAV is uncompressed and takes about 10 MB a minute. The MP4 stores the same recording as AAC, so a five-minute track drops from roughly 50 MB to about 10 MB, cover image included.

Explore more free tools

Trim the clip, crop the frame or convert it to another format. Every tool works in the same browser workspace.
See all features

FAQ

Because video platforms will not accept a bare audio file. An MP4 with a still image gives them the video track they require, and the recording keeps its full length.