OGG to FLAC Converter

Convert OGG Vorbis or OGG Opus files into a FLAC lossless container — useful for editing workflows, archive normalization, and getting your audio into a format every DAW reads cleanly.

OGGFLAC

Drop your OGG file here or click to browse

OGG (.ogg) · Max 20 MB

Free — 10-second preview, 5 conversions/month. Upgrade for unlimited

What is OGG?

Open-source compressed format. Better quality than MP3 at similar bitrates. Used in gaming and web applications.

What is FLAC?

Lossless compression. Perfect quality at roughly half the size of WAV. The choice for audiophiles and archiving.

Why Convert OGG to FLAC?

OGG is a container that usually holds either Vorbis (older, music) or Opus (newer, voice and music). Both are lossy. FLAC is lossless. Converting OGG → FLAC will not restore the data the OGG encoder discarded — that audio is gone forever — but it does give you a stable, uncompressed-quality container that every audio editor, DAW, and archive tool reads natively. Why bother? Three reasons. First, normalisation: if your library is a mix of OGG, MP3, and FLAC, converting everything to FLAC gives you one consistent format for backups and playback. Second, editing: many DAWs (Pro Tools, Cubase, Logic) have spotty OGG support but read FLAC natively, so converting first avoids weird import bugs. Third, sharing with audio professionals — engineers and mastering houses prefer FLAC because they know what they're getting (a bit-perfect representation of the source). Audibly, the FLAC will sound identical to the source OGG; you're just changing the wrapper around the same audio. The trade-off is file size: a FLAC is roughly 5–7× larger than the equivalent OGG Vorbis at 192 kbps, because FLAC compresses losslessly from the decoded PCM rather than discarding bits. For most use cases, the size hit is worth it for the compatibility win.

Who Uses This Converter

Library normalisation

Standardise a mixed-format music library to one container so playback apps, organisers, and backup tools handle everything the same way.

DAW and editor compatibility

Pro Tools, Cubase, and many older editors handle FLAC much better than OGG. Convert before importing to avoid 'unsupported format' errors.

Audio professional handoff

Mastering engineers, podcast editors, and sound designers expect FLAC or WAV. Send a FLAC — never an OGG — for any professional workflow.

Frequently Asked Questions

Will the FLAC sound better than the OGG?

No. FLAC is a lossless container, but the audio inside is whatever your OGG decoded to. If the OGG was encoded at 96 kbps Vorbis, you're wrapping 96-kbps-quality audio in a lossless container — the FLAC will sound exactly like the OGG. The only audible difference would come from re-encoding, and we don't do that. FLAC just gives you compatibility, not better quality.

How much larger will the FLAC be?

Typically 5–7× the OGG size at common Vorbis bitrates (160–192 kbps). A 5 MB OGG track becomes a 25–35 MB FLAC. The FLAC stores the full decoded waveform losslessly, while OGG only stored the parts the psychoacoustic model thought you'd hear. Hi-quality OGGs (Q8+, 256 kbps) compress closer to 3–4× when re-wrapped as FLAC.

Does this work with OGG Opus, not just Vorbis?

Yes. The converter detects whether the OGG container holds Vorbis or Opus and decodes accordingly. Both end up as bit-identical FLAC because both are decoded back to PCM before re-encoding.

Will tags transfer from OGG to FLAC?

Yes — both formats use Vorbis comments for metadata (FLAC inherits this from its Xiph.Org lineage). Title, artist, album, track number, year, and embedded album art all transfer cleanly. This is one of the main wins of OGG → FLAC over OGG → MP3 (which has to convert Vorbis comments to ID3 tags).

Is FLAC the right archive format for OGG sources?

It is the right neutral container. But understand that 'archiving lossy audio in a lossless format' doesn't add quality — it just freezes what you have. If you want a true high-quality archive, re-rip the source from CD or buy a lossless purchase. If you only have the OGG, FLAC at least guarantees no further generational loss.

Should I just keep the OGG instead?

If file size matters and your playback devices read OGG (Android phones, VLC, web browsers, most Linux apps), keep the OGG. Converting to FLAC only makes sense when you specifically need FLAC compatibility — audiophile player, DAW, archive consolidation, hardware that lists FLAC support.