← CONVERTMP3 → MP4
MP3 to MP4 Converter
Wrap MP3 audio into an MP4 video with a waveform visual. For sharing on video platforms. No upload · In-browser · Free
WORKBENCHMP3 → MP4 · Convert
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Drop audio file
AUDIO/MPEG · AUDIO/MP3 · .MP3
Wraps audio into a playable MP4 (H.264 + AAC). Uses canvas capture + WebCodecs where available, falls back to ffmpeg.
Drop a file to begin. Everything runs in your browser.
- DURATION
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- RATE
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- CHANNELS
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- SIZE
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Tip: MP3 encoding uses lamejs (loaded on demand). Your file never leaves your device. Refresh to start over.
← All toolsABOUT THIS TOOL
Instagram and YouTube don’t take MP3s. This wraps your audio into an MP4 with a visual. Choose a waveform on SoundHub paper or upload a cover, then share. Your file never leaves your device.
SOUNDHUB TOOLS · NO ACCOUNT · NO LIMIT · Privacy