Convert Opus to FLAC
Free and instant — your Opus files are processed securely on our servers and deleted right after conversion. Nothing is stored.
How to convert Opus to FLAC
- Step 01
Add your Opus files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
Your file is sent to our servers, converted and deleted right away — no sign-up, no queue, no waiting.
- Step 03
Download your FLAC files
Save each file individually or grab them all at once. Done.
Why convert Opus to FLAC?
Need your Opus in FLAC? Converting wraps the existing audio into FLAC — it won't restore detail Opus's compression already discarded, but the file will work anywhere FLAC is expected.
Opus vs FLAC at a glance
Opus is the modern voice and streaming codec behind WhatsApp voice notes and Discord calls — excellent quality at tiny file sizes, but not widely supported by standalone music players or older devices. FLAC is lossless audio with compression — identical quality to WAV but 40–60% smaller, the audiophile choice for music archival.
| Property | Opus | FLAC |
|---|---|---|
| Extension | .opus | .flac |
| Full name | Opus Interactive Audio Codec | Free Lossless Audio Codec |
| First released | 2012 | 2001 |
| Developed by | Xiph.Org / IETF | Xiph.Org |
| Compression | Lossy | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Best for | voice messages from WhatsApp, Telegram and Discord, and low-latency streaming | audiophile music listening and archival of high-quality audio |
Opus to FLAC — frequently asked questions
Is this Opus to FLAC converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Will converting Opus to FLAC lose quality?
No. FLAC is a lossless format, so the converted file keeps every pixel exactly as decoded from your Opus.
Is the conversion private?
Audio conversion runs on our servers with ffmpeg — your file is deleted immediately and never stored.
Related conversions
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Need the reverse? Convert FLAC to OpusExplore the FLAC converter