~/tools/video-to-mp3

Video to MP3

Turn video into MP3 audio. Extract the full track or trim a clip. All processing happens locally in your browser; files never leave your device.

-vn -c:a libmp3lame
Engine:ffmpeg.wasmWaiting to initialize…

$Drop a video file, or click to select

Supports MP4, AVI, MKV, MOV, WebM, and more. Convert to MP3 in one click.

Files never leave your device
MP4MOVMKVAVIWebM
01Drop file

Video or audio is loaded into browser memory with no network upload

02Choose mode

Extract the full track or trim a time range, then pick the output format

03Download locally

FFmpeg WASM extracts and exports locally

//Related Audio ToolsAll tools

Video to MP3 Converter Online

Local · No uploads

Convert MP4, MOV, MKV, WebM, and other videos directly to MP3 audio. Extract the full track or trim out a specific segment, with bitrates from 128 kbps to 320 kbps. Save music from videos, keep lectures for offline listening, or pull voiceovers for reuse — all in your browser, with zero uploads and complete privacy.

How to Convert a Video to MP3

  1. 1

    Upload your video file — drag and drop works

  2. 2

    Choose to extract the full audio or trim a specific segment

  3. 3

    Pick a bitrate: higher means better quality and a bigger file

  4. 4

    Click Process, then download the MP3

Common Uses

  • Save music from videos for your music library
  • Keep lectures and course audio for offline listening
  • Extract voiceovers and interviews from video footage

Things to Keep in Mind

  • Silent videos produce no audio
  • MP3 is lossy — for lossless output, use the Audio Extractor tool with WAV/FLAC
  • Long videos take time to convert and are limited by browser memory

How to Choose a Video-to-MP3 Converter

  • vs. upload-based online converters: nothing is uploaded — files stay on your device
  • vs. the general Audio Extractor: this page locks output to MP3 for the most common use case
  • Supports segment trimming and bitrate control for size-versus-quality tradeoffs

MP3 and Bitrates, Explained

  • MP3 is a lossy compression standard finalized in 1993. It uses a psychoacoustic model to discard frequencies masked by louder sounds, typically reaching 1/10 the size of WAV with little audible difference.
  • Bitrate decides how much information survives: 128k prioritizes size, 192k is the sweet spot, and 320k is the MP3 maximum. Beyond that, switch to FLAC — pushing MP3 bitrates higher gains nothing.
  • Converting video to MP3 drops the video stream and re-encodes the audio track, so the result is far smaller than the source video.

Video to MP3 FAQ

Which video formats can I convert to MP3?

MP4, MOV, MKV, AVI, WebM, and other common formats — just upload and convert.

Can I convert only part of a video?

Yes. Choose the "trim audio segment" mode and set start and end times to convert just that portion.

How does the MP3 quality compare?

The default 192 kbps sounds clear. You can choose 128k–320k; higher bitrates mean better quality and larger files.

Is my video uploaded anywhere?

No. The conversion runs locally in your browser via FFmpeg WASM — your video never leaves your device.

How do I convert MP4 to MP3?

Upload the MP4, click Process, and the MP3 is extracted automatically — no extra settings needed.

Will the MP3 play on my phone?

Yes. MP3 is a universal format supported by phones, computers, cars, and virtually every device.