MP3 to OPUS

Select a file to upload and convert:
(max file size 200 MB)
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This MP3 to OPUS converter can convert MP3 (MPEG1/2 Audio Layer 3) files to OPUS (SILK+CELT Codec) audio.
How To Use:
  1. Select a MP3 file.
  2. Click button "Convert" to start upload your file.
  3. Once upload completed, converter will redirect a web page to show the conversion result.
Remark:
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This converter cannot support encrypted or protected audio files.
  • If file source is a URL, be sure to enter a complete and valid URL to your file.
File Format Information:
  • MP3 (MPEG1/2 Audio Layer 3) is an efficient and lossy compression format for digital audio, offers a variety of different bit rates, an MP3 file can also be encoded at higher or lower bit rates, with higher or lower resulting quality.
  • OPUS (SILK+CELT Codec) is a free lossy audio compression format that provides very good compression ratios, designed for interactive speech or music on the Internet, supports constant bitrate (CBR ), variable bitrate (VBR) and constrained variablebitrate (CVBR) encoding.
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