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OGG to FLAC converter

Convert OGG to FLAC in your browser. No upload and no account: the file never leaves your device, so the only size limit is your device’s memory.

I want FLAC
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Related conversions

Need it the other way round? Convert FLAC to OGG

Other ways to convert OGG

Convert other formats to FLAC

Read more about the OGG format and the FLAC format, or see every audio tool and all audio conversions.

Should you convert OGG to FLAC?

A tool wants FLAC input from Ogg audio.

Only when software insists on FLAC. It stores the decoded OGG perfectly, but the detail the OGG discarded is already gone, so the FLAC is bigger without sounding better.

FLAC also plays in more places: most modern players, Android and recent iPhones; some car stereos and older apps don’t.

OGG is open-source lossy audio, common in games and on Android; FLAC is lossless audio at roughly half the size of WAV. Use FLAC to archive music and recordings you may want to convert again later.

OGG and FLAC compared
Property OGG FLAC
Compression Lossy Lossless
Typical quality roughly 96–256 kbps lossless, 16 or 24-bit
Support Has patchy support Opens almost everywhere
Best for Game audio, open-source apps and Android sounds Archiving music and recordings without losing anything
Introduced 2002 2001

How to convert OGG to FLAC

  1. 01

    Add your OGG

    Drop your OGG file onto the box, or click to choose it. It is read from your disk and stays there.

  2. 02

    Check the settings

    The output is already set to FLAC. Change the bitrate if you want to; the defaults suit most files.

  3. 03

    Save the FLAC

    Press convert and save the FLAC. Several files come back together as a ZIP.

What changes when OGG becomes FLAC

Bigger, not better

FLAC can’t restore what OGG compression removed. It does make editing easier and stops further loss, which is why editors and some broadcast systems ask for it.

Expect a much larger file

FLAC is far bigger for the same content. Choose it because something needs FLAC, not to send or store the file. OGG: Similar to or slightly smaller than MP3. FLAC: About 5–7 MB a minute for music.

This page is put together from our notes on each format, choosing only what is true of OGG and FLAC, so every pairing states the same facts the same way. How these pages are made.

Why it doesn’t upload

Recordings are often private: interviews, voice notes, unreleased music. Your browser can decode and encode audio itself, so there is no reason to send it anywhere.

How to check for yourself

Worth knowing

  • About the OGG. The .ogg extension can hold Vorbis, Opus or FLAC audio, so one OGG plays in a player and the next doesn’t.
  • About the FLAC. FLAC made from an MP3 is lossless only in name: it perfectly preserves an already lossy recording, at five times the size.
  • MP3, WAV, M4A, OGG, Opus and FLAC are converted by your browser directly. WMA, AMR, APE, AC3 and the other specialist formats use the FFmpeg engine, a one-time 31 MB download.

Questions

Does converting OGG to FLAC lose quality?

No quality is lost converting to FLAC, though it can’t restore what the OGG already discarded.

Will an FLAC play in my car or on my phone?

FLAC opens almost everywhere: most modern players, Android and recent iPhones; some car stereos and older apps don’t.

Read more about this

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