Convert Opus to audio
Frequently asked questions
What is a Opus file?
Opus is a modern open audio codec with excellent quality at low bitrates. WhatsApp voice messages and many VoIP apps use it. Opus gives the best quality per kilobyte of any common audio format, especially for speech.
What can I convert Opus files to?
MP3, WAV, OGG, AAC, M4A, FLAC, AIFF. Pick a target after adding your files.
Are my files uploaded to a server?
No. The conversion runs entirely in your browser using WebAssembly. Your files never leave your device, so it is safe for private photos, contracts and business data. Once the page has loaded it even works offline.
Is it free? Are there limits?
It is free, with no sign-up, no watermark and no daily limits. Because nothing is uploaded there is no upload size limit either; the only limit is your device’s memory, which matters mostly for very large videos.