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Video Conversion

Convert MP4 to Opus Online — Free

Fast, free MP4 to Opus converter. No registration required.

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Funciona en todas partes

Cualquier navegador, cualquier dispositivo

Cómo convertir

1

Upload your .mp4 file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .opus file when it's ready.

¿Qué es MP4?

MP4 is the most widely used video container format. It stores video, audio, subtitles, and metadata. Compatible with virtually every device and platform, from smartphones to smart TVs.

Detalles del formato

Nombre completo
MPEG-4 Part 14
Extensión
.mp4

Características principales

  • Universal compatibility
  • Streaming support
  • Small file sizes
  • Hardware-accelerated playback

¿Qué es Opus?

Opus is a modern audio codec designed for interactive speech and audio transmission. It provides excellent quality at low bitrates and is widely used in VoIP and streaming.

Detalles del formato

Nombre completo
Opus Audio Codec
Extensión
.opus

Características principales

  • Low latency
  • Excellent compression
  • Voice optimized
  • Open source

MP4 vs Opus

CaracterísticaMP4Opus
Nombre completoMPEG-4 Part 14Opus Audio Codec
Extensión.mp4.opus
Ideal paraUniversal compatibilityLow latency

Preguntas frecuentes

The audio track is extracted from your MP4 file without re-encoding when possible, preserving the original quality. If format conversion is needed, we use optimized settings to minimize any loss.
Free users can process files up to 100MB. Pro users can extract audio from videos up to 2GB with priority processing.
Audio extraction is fast — most files complete in under 30 seconds. Our servers handle the processing, so it works on any device.
Yes. You can adjust bitrate, sample rate, and channels before conversion. Default settings preserve the original audio quality from your MP4 file.
Yes. Our converter runs entirely in your browser — no app needed. Upload your video, extract audio, and download on any device.

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