MP4 Maker
Local processing
MP3 → YouTube-ready MP4
Your audio stays in this browser. Nothing is uploaded to a server.
Your audio stays in this browser. Nothing is uploaded to a server.
Choose your MP3sTap to select multiple songs from Files
No artwork selected — a clean dark cover will be generated.
Ready — select your MP3 files to begin.
Preparing…
0%
Starting converter…
0 / 0tracks
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—processing
Waiting for conversion…
Mobile note: iPhone/iPad browsers can run out of memory with very large batches. This app converts one track at a time and lets you download the finished ZIP. Keep the tab open while converting.