FLAC to OGG Converter

Convert FLAC lossless audio to OGG Vorbis. Dramatically reduce file size while maintaining good audio quality, using an open-source and patent-free format.

FLACOGG

Drop your FLAC file here or click to browse

FLAC (.flac) · Max 20 MB

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

What is FLAC?

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

What is OGG?

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

Why Convert FLAC to OGG?

Converting FLAC to OGG is the textbook right way to produce Vorbis files: you start from a lossless master, so the encoder works with every bit of the original audio and the OGG that comes out is as clean as the format can be — no inherited artifacts, no stacked lossy generations. People reach for this conversion for two main reasons. The first is game and web work: OGG is the audio format Unity, Unreal, and Godot treat as first-class and every browser plays natively, and a FLAC sample library or soundtrack needs converting before an engine will take it. The second is portable listening: FLAC files are large and some players and phones handle them awkwardly, while an OGG at quality 6-7 is a fraction of the size and audibly identical in everyday listening. OGG is also fully open and royalty-free, which keeps commercial projects clean. The rule that makes this workflow sound: the FLAC stays as your archival master, the OGG is the delivery copy — if you ever need a different format or bitrate later, re-encode from the FLAC again rather than from the OGG. Conversion runs entirely in your browser; your collection never leaves your machine.

Who Uses This Converter

Game engines & interactive audio

Unity, Unreal, and Godot want OGG. Encode straight from your lossless sources for the cleanest possible assets.

Web playback

Every modern browser plays OGG natively — serve small files without a decoder in sight.

Portable copies of a FLAC library

Shrink lossless albums ~5× for phones and small players while keeping the masters intact.

Open-source projects

OGG is patent-free, so shipping audio stays legally simple.

Frequently Asked Questions

How much smaller is OGG compared to FLAC?

About 70-80% smaller. A 30MB FLAC file becomes roughly 5-7MB as OGG Vorbis at quality level 6, which sounds great for casual listening.

Is OGG Vorbis as good as MP3?

Better, actually. At comparable bitrates, OGG Vorbis delivers superior audio quality to MP3. It's also patent-free and open-source.

Can I convert back to FLAC later?

You can convert OGG to FLAC, but you won't recover the data lost during compression. Always keep your original FLAC files if lossless quality matters to you.

What quality level should I encode at?

Quality 6-7 (roughly 192-224 kbps) is transparent for most music when encoding from lossless. Go higher for critical listening, or lower (q4) for voice and ambience where size matters more.

Is OGG from FLAC better than OGG from MP3?

Meaningfully, yes. Encoding from lossless FLAC gives Vorbis the complete original signal, so there are no stacked artifacts. Encoding from MP3 layers Vorbis loss on top of MP3 loss.

Should I delete the FLACs afterwards?

No — keep them. FLAC is your archival master; the OGG is a delivery copy. If you later want a different format or bitrate, re-encode from the FLAC, not from the OGG.

Is this FLAC to OGG converter free?

Yes. Free users get 5 conversions per month. The output is limited to the first 10 seconds as a preview, with a 20MB input file size limit. Upgrade to Pro for unlimited, full-length conversions.