Compress Opus to MP3
Need smaller audio files? Converting Opus to MP3 dramatically reduces file size. A 50MB file becomes 5MB. Perfect for email, sharing, and storage.
Drop your Opus file here or click to browse
Opus (.opus) · Max 20 MB
Opus files are already compressed, but MP3 can compress further at a different bitrate. The size reduction is significant for sharing, uploading, and storage.
For email attachments, 128-192kbps works well. For music sharing, use 256-320kbps. AudioUtils lets you drop your file and convert instantly. No upload to a server, no waiting.
Both Opus and MP3 are lossy formats. Each re-encode can degrade quality slightly. Convert once and keep the result. Choose the right bitrate for your use case. Higher bitrate means better quality but larger files.
Frequently Asked Questions
Where do Opus files come from?
Discord voice recordings, WhatsApp and Telegram voice messages, WebRTC browser recordings, and some podcast apps use Opus. It's efficient but not widely supported outside these apps.
Will quality suffer converting Opus to MP3?
There may be minor quality loss since both are lossy formats. At 320kbps MP3, the difference from the Opus source is negligible for most listeners.
Can I convert Discord audio recordings?
Yes. Discord bots often record in Opus/OGG format. Drop the file here and get a universally playable MP3 in seconds.
About Opus
Modern open-source codec. Best quality-per-bit of any lossy format. Used by Discord, WebRTC, and modern browsers.
About MP3
The most widely used audio format. Great compatibility, small file size. Ideal for music, podcasts, and general use.