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Video & Audio
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MP4 β†’ MP3

MP4 to MP3 Converter

Extract audio as MP3 from MP4 video files.

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Accepted

MP4

Limit

1 file Β· up to 10 MB

Result

MP4 β†’ MP3

Handling

Auto cleanup after 2h

Usage

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Select a file to begin Ready to configure and run Uploading securely… Queued for processing… Processing your file… Finished β€” your result is ready Processing failed β€” review the message below

🎞️ Media processing

Processing uses the selected output format. Conversion can change file size and quality; preview the finished audio or video before sharing.

πŸ”Š

Extract an MP3 audio track from MP4 video.

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Max file size: 10MB

Max files per run: 1

Supported formats: MP4

Upload one MP4 video. The audio track will be extracted as a high-quality MP3 file. Max 10MB per file.

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Files are uploaded and processed in the background. You will see links and previews when the run is finished.

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Input summary

PDF compression summary

Original size

Compressed size

Reduced by

Pages

No file-size reduction for this PDF. Very small or already optimized documents can become larger after reprocessing. You can download the result or keep your original file.

The processed video is larger than your original. Compression savings depend on the source codec, duration and resolution. Compare both files before sharing and keep the smaller original when possible.

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CSV processing summary

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Output rows

Output files

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How it works

1

Upload your MP4

Select an MP4 video file. Free supports up to 10 MB; Pro supports up to 200 MB.

2

Audio is extracted

We use FFmpeg to extract the audio track without re-encoding, preserving quality.

3

Download your MP3

Get the audio as an MP3 file ready to use in podcasts, music projects, or archiving.

πŸ”— Related media tools 4 related tools

About MP4 to MP3 Converter

Video files are large containers carrying both a video stream and one or more audio tracks. When only the audio is needed β€” for a podcast source, a lecture recording, or an archival copy β€” stripping the video track reduces file size by 90% or more while preserving audio quality. This MP4 to MP3 tool uses FFmpeg to extract the audio stream from the video container. When possible, the audio stream is copied directly without re-encoding, preserving the original bitrate and avoiding generation loss. It is used for extr...

β†’ Extract the audio from a recorded Zoom or Teams meeting to share as a standalone audio file. β†’ Convert a downloaded video lecture to MP3 before transcribing it with a speech-to-text tool. β†’ Pull the audio track from a video production file for use as a podcast episode source. β†’ Archive audio commentary from a video file after the video itself is no longer needed.

Related guides and workflows

πŸ“¦ Supported formats 1 file types

MP4 β†’ MP3

❓ Frequently asked questions 3 answers

We extract the audio stream directly from the container when possible, minimizing quality loss. The output audio quality depends on the original video's audio bitrate.

Free accounts can upload MP4 files up to 10 MB. Pro supports up to 200 MB for this tool.

Currently the tool is optimized for MP4. For other formats, try the Video Compressor which supports broader input formats.