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Audio & Video Converters

File conversion

MP3 to MP4 Converter

Convert MP3 audio to MP4 with a black video background. Create a video file from an existing recording.

MP3toMP4
Choose a file or drag it here
MP3, AAC, FLAC, OGG, WMA, AIFF, WAV, M4A (up to 200 MB)

Choose your MP3 file, up to 200 MB. Keep your original until you check the result.

When to convert MP3 to MP4

Prepare spoken audio or music for a workflow that requires video. The converter adds a static black frame to the recording.

What the output contains

The MP4 output contains H.264 video and AAC audio. Its picture stays black throughout the recording.

The video uses a black 1280 by 720 frame at 30 frames per second. It contains no artwork or visualizer.

Before using the converted file

Listen through the MP4 and check its ending. Use Studio separately if you need cover artwork, captions, or moving visuals.

How to convert your MP3 file

  1. Upload the recording

    Choose your MP3 file from your device. The upload limit is 200 MB.

  2. Start the conversion

    The output is already set to MP4. Complete the verification and choose Convert.

  3. Download and check

    Wait for processing, then download the result. Open it in the application where you plan to use it.

MP3 to MP4 questions

The MP4 output contains H.264 video and AAC audio. Its picture stays black throughout the recording. The video uses a black 1280 by 720 frame at 30 frames per second. It contains no artwork or visualizer.
Listen through the MP4 and check its ending. Use Studio separately if you need cover artwork, captions, or moving visuals.
This converter accepts one uploaded file at a time. It does not retrieve media from website links or process batches.
This page selects MP4 output automatically. It does not offer manual bitrate, resolution, trimming, or audio-track selection.
Conversion changes the file format. It does not restore missing detail, remove noise, or make a compressed recording lossless.

Related file conversions

MP3 to WMA

Convert MP3 files to WMA for compatibility, editing, or publishing.

MP3 to WAV

Convert MP3 files to WAV for compatibility, editing, or publishing.

MP3 to AIFF

Convert MP3 files to AIFF for compatibility, editing, or publishing.

MP3 to AAC

Convert MP3 files to AAC for compatibility, editing, or publishing.

MP3 to M4A

Convert MP3 audio to an M4A file. Prepare a recording for a workflow that requests AAC audio in M4A.

MOV to MP4

Convert MOV to MP4 for reliable playback across devices and platforms.

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