Opus Codec: Opus Audio Codec

Opus is a modern, royalty-free audio codec that offers better quality than AAC at all bitrates. It's ideal for web streaming and VoIP applications.

Quick Compress
Choose a file, pick how small it should be, and compress locally.
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Percentage is applied to the original file size.

Opus Advantages

  • Better quality than AAC at all bitrates
  • Royalty-free and open source
  • Excellent for both music and voice
  • Low latency for real-time applications
  • Wide bitrate range (6 kbps to 510 kbps)

Opus Disadvantages

  • Not supported on older devices
  • Limited hardware acceleration
  • Primarily used in WebM container
  • Not compatible with MP4 standard

When to Use Opus

  • WebM video files
  • Web streaming and YouTube
  • VoIP and real-time communication
  • Open-source projects
  • Low-bitrate high-quality audio

Technical Details

  • Compression: Hybrid SILK and CELT compression
  • Quality: Excellent - best quality at low bitrates
  • File Size: Very small with maintained quality
  • Processing: Fast encoding and decoding

Compatible Formats

Opus works with WEBM, MKV containers.

How to Compress with Opus

  1. Upload your video file
  2. Select WEBM format
  3. Choose Opus codec in advanced settings
  4. Set your target size or quality
  5. Compress and download

Frequently Asked Questions

What is Opus?

Opus (Opus Audio Codec) is a audio codec that It's ideal for web streaming and VoIP applications.

Is Opus better than other codecs?

Opus excels at: Better quality than AAC at all bitrates, Royalty-free and open source. However, it has trade-offs: Not supported on older devices. The best codec depends on your specific needs.

What devices support Opus?

Opus is supported on various devices.

When should I use Opus?

Use Opus when: WebM video files; Web streaming and YouTube; VoIP and real-time communication. It's ideal for these scenarios.

Can I convert videos to Opus?

Yes! Upload your video, select a WEBM format, choose Opus as the codec in advanced settings, and compress. The conversion happens locally in your browser.

Related Codecs

VorbisAACMP3