Turn your OPUSs into MP3s in seconds
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Drop your OPUS here
or click to browse your files · Max file size: 1 GB
Max file size: 1 GB
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How it works
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Upload your file
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Converted automatically
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— Opus Audio
Opus is a modern, highly efficient open audio codec designed for both speech and music, widely used in VoIP calls and streaming.
— MP3 Audio
MP3 is a lossy compressed audio format and the most widely supported audio format across devices and software.
Frequently asked questions
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Is it free?
Yes — converting files on TransConvert is free, with no sign-up required.
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Does converting reduce quality?
It depends on the formats involved — some conversions keep everything exactly, others may show a small trade-off if the target format itself is lossy. We never add any extra compression beyond what the format requires.
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Is my file kept afterwards?
No — files are processed to produce your download and are not kept afterwards.
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What's the largest file I can convert?
Files up to 1 GB are supported.