Opus vs MP3

Opus vs MP3: State-of-the-art vs legacy standard. Opus offers vastly superior quality, especially at low bitrates, but limited device support.

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.

Detailed Comparison

CategoryOpusMP3Winner
Quality at Low BitratesExcellent down to 32kbpsPoor below 128kbpsOpus
Quality at High BitratesExcellentGoodOpus
CompatibilityModern browsers, limited devicesUniversal - everything supports MP3MP3
File SizeMuch smaller at same qualityLarger for equivalent qualityOpus
LicensingRoyalty-free, open sourcePatent-free now (expired)Tie

Head-to-Head Comparison

  • Quality at Low Bitrates: Opus - Excellent down to 32kbps | MP3 - Poor below 128kbps
  • Quality at High Bitrates: Opus - Excellent | MP3 - Good
  • Compatibility: Opus - Modern browsers, limited devices | MP3 - Universal - everything supports MP3
  • File Size: Opus - Much smaller at same quality | MP3 - Larger for equivalent quality
  • Licensing: Opus - Royalty-free, open source | MP3 - Patent-free now (expired)

Which Should You Choose?

  • Use Opus for WebM video and web streaming
  • Use MP3 for audio files and maximum compatibility
  • Choose Opus for VoIP and real-time communication
  • Use MP3 for music files and car audio

The Verdict

Opus is generally better for most users, but both have their place depending on your needs.

Frequently Asked Questions

Which is better: Opus or MP3?

Opus is generally better for most users, but MP3 has advantages in specific scenarios. Use Opus for WebM video and web streaming.

What's the main difference between Opus and MP3?

The key differences are: Quality at Low Bitrates - Opus: Excellent down to 32kbps, MP3: Poor below 128kbps; Quality at High Bitrates - Opus: Excellent, MP3: Good.

Can I convert between Opus and MP3?

Yes! Upload your video in either format, select the output format you want, and compress. The conversion happens locally in your browser with no uploads.

Which should I use for quality at low bitrates?

For quality at low bitrates: Opus is better. Excellent down to 32kbps.

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