Media Tools
MP3 to MP4 Converter Online Free
Convert MP3 to MP4 online Instantly with a default text cover or your own image. Upload audio, customize the cover, preview, and download an MP4 instantly.
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What is an MP3 to MP4 Converter?
An MP3 to MP4 converter turns audio into a video file with a still cover frame. Upload an MP3, customize a default text cover or your own image, then download an MP4 that plays where video uploads are required.
How to convert MP3 to MP4 online?
- 1
Upload your MP3
Select an
MP3file up to 50 MB. A default text cover is created from the file name. - 2
Customize the cover
Click Change cover to edit the overlay text or upload a custom image, then Apply.
- 3
Convert and download
Click Convert to MP4, preview the video with cover, and download the finished
MP4.
Why convert MP3 to MP4?
Many platforms expect video. Pairing your audio with a 1280×720 cover makes soundtracks, podcasts, and music clips shareable as MP4.
Video platforms need a picture
Build an MP4 with artwork so players show a cover instead of a black screen.
Default text cover included
A branded cover is generated from your file name — edit the text anytime.
Upload your own artwork
Switch to cover image upload for album art, logos, or episode thumbnails.
Features of this MP3 to MP4 Converter
Audio to video fast
Server-side conversion builds an MP4 with your audio and cover quickly.
Default + custom covers
Start with a text cover, or upload JPG/PNG/WebP artwork fitted to 1280×720.
Preview then save
Play the converted MP4 with cover before downloading.
No desktop app
Convert in the browser without installing FFmpeg locally.
Your files, your rights
Only convert audio you own or have permission to use.
Works on any device
Use the same flow on phone, tablet, or desktop browsers.
Safety & file tips
Keep uploads under 50 MB and use a public cover image you have rights to display.
Supported audio
MP3 files are accepted for conversion.
Cover formats
JPG, PNG, and WebP work best for custom covers.
Copyright
Do not convert or redistribute music or podcasts you do not have rights to use.
Frequently asked questions - FAQs
Quick answers about MP3 to MP4 Converter.
Yes. Convert MP3 to MP4 online for free with cover preview and download.
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