Convert Opus to FLAC
Convert any audio file to FLAC format online for free. Fast, secure, and easy-to-use audio to FLAC converter with no software installation required.
Drag & Drop Audio File
or click below to browse
Supported formats (Max 50MB, 30 min • Sign in for 200MB, 1 hr)
Why Choose Scriptivox Opus to FLAC Converter?
Fast Conversion
Our powerful servers process your files quickly, delivering converted files in seconds.
100% Free
Convert your files completely free with no hidden costs or subscription fees.
Secure & Private
Your files are encrypted and automatically deleted after conversion. We never store or share your data.
No Installation
Works directly in your web browser. No software download or installation required.
How to Use Opus → FLAC
Upload File
Drag and drop your Opus file or click to browse. Supports files up to 1GB.
Convert
Select FLAC as your output format and click convert. Our servers will process your file instantly.
Download
Download your converted file instantly. The download link expires in 1 hour for security.
Opus vs FLAC: format comparison
How the two formats differ on the things that change your result.
| Specification | Opus (source) | FLAC (result) |
|---|---|---|
| Container | Ogg | FLAC |
| Developed by | Xiph.Org / IETF | Xiph.Org Foundation |
| Introduced | 2012 | 2001 |
| Audio codecs | Opus | FLAC |
| Compression | Lossy | Lossless (compressed) |
| Max sample rate | 48 kHz | 192 kHz |
| Max channels | 255 | 8 |
| Gapless playback | Yes | Yes |
| Metadata / tags | Vorbis comments | Vorbis comments |
| Approx. file size | 0.48–1.44 MB per minute | 5–7 MB per minute |
| Licensing | Royalty-free | Royalty-free |
| Plays natively on | Native: Web browsers, Android · Needs a player: Windows, macOS, iOS | Native: Web browsers, Windows, macOS, iOS, Android · Needs a player: Smart TVs |
| Best for | voice and calls, podcasts, web delivery | long-term archiving, audiophile listening, CD ripping |
What changes when you convert Opus to FLAC
Going from Opus to FLAC locks in the quality you have now, it does not recover what was lost when the file was first encoded. That is still the right move before editing, because FLAC will not add a second round of compression damage. Budget for the size jump: about 1 MB per minute becomes roughly 6 MB per minute.
Multichannel sources need care: FLAC handles at most 8 channels where Opus allows 255, so anything wider is downmixed.
This conversion buys reach. FLAC is natively supported on 3 additional platforms compared with Opus, which is usually the reason people convert in this direction.
This conversion moves the file toward a different purpose: Opus suits voice and calls, podcasts, web delivery, whereas FLAC is chosen for long-term archiving, audiophile listening, CD ripping.
About Opus to FLAC Conversion
Converting Opus to FLAC means moving audio out of the Ogg container, introduced in 2012, and into FLAC, which arrived in 2001. The two were designed with different priorities, and that is what determines whether this conversion costs you quality, storage, or compatibility.
Developed by Xiph.Org / IETF in 2012, Opus stores audio using Opus. That codec choice sets the upper bound on what any conversion can preserve.
FLAC, from Xiph.Org Foundation and dating to 2001, uses FLAC and plays natively on 5 of the six platform categories we track. That combination is usually why people convert into it.
After converting your file, you can use Scriptivox transcription services to convert your audio to text. Perfect for meetings, interviews, podcasts, and more.
Opus to FLAC: common questions
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