Convert FLAC to OPUS
Fast, free FLAC to OPUS conversion — works in any browser
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flac
FLAC — Free Lossless Audio Codec
| File extension | .flac |
|---|---|
| File category | audio |
| Programs | VLC media player foobar2000 Audacity Amarok Banshee |
| Tech description | https://en.wikipedia.org/wiki/FLAC |
| MIME type | audio/flac audio/x-flac |
| Developer | Josh Coalson (Xiph.Org) |
FLAC (Free Lossless Audio Codec) is an open-source lossless audio compression format developed by Xiph.Org and released in 2001. Unlike MP3 or AAC, FLAC preserves every bit of the original audio data, allowing perfect reconstruction of the source. Compression typically reduces file size by 40–60% compared to uncompressed WAV or AIFF. FLAC supports up to 32-bit sample depth and 655 kHz sampling rate, as well as embedded metadata tags and cover art. It is royalty-free and widely supported on Android, Linux, Windows, and macOS, as well as media players including VLC, foobar2000, Audacity, and most hi-fi audio hardware.
opus
Opus — Open Audio Codec for Voice and Music
| File extension | .opus |
|---|---|
| File category | audio |
| Programs | VLC media player foobar2000 MPV Audacity Firefox |
| Tech description | https://en.wikipedia.org/wiki/Opus_(audio_format) |
| MIME type | audio/ogg; codecs=opus audio/opus |
| Developer | Xiph.Org, IETF |
Opus is a free, open-source audio codec developed by Xiph.Org and the IETF, standardized in 2012 (RFC 6716). It supports bitrates from 6 kbps to 510 kbps, covering both low-bitrate voice calls and high-quality music streaming with a single codec. Opus consistently outperforms MP3, AAC, and Vorbis at equivalent bitrates in independent listening tests. It is used by YouTube, Spotify, Discord, WhatsApp, Zoom, and WebRTC applications. Opus is natively supported in Firefox, Chrome, Edge, and most modern media players including VLC, MPV, and foobar2000, across Windows, macOS, Linux, Android, and iOS.
FAQ
How to convert OPUS to FLAC?
Upload your OPUS file, select FLAC as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert OPUS to FLAC?
Most OPUS files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert OPUS files online?
Yes. All uploaded OPUS files and converted FLAC results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert OPUS on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the OPUS file and convert to FLAC without installing any app.
