Ogg

Writable

video

digital container format

Identify it

Extensions	`.ogg.ogx.ogv.oga.spx.ogm.opus`
MIME types	`application/oggaudio/oggvideo/ogg`
Signatures	`4f6767530002` at byte 0
PRONOM	`fmt/944`
Wikidata	`Q188199`
Library of Congress	`fdd000026`

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Open it

FFmpegOpen sourcereads and writes · LGPL-2.1-or-later / GPL-2.0-or-later
libsndfileOpen sourcereads and writes · GNU Lesser General Public License
Q108353872Open sourcewrites · GNU General Public License, version 3.0
Q191782Open sourcereads and writes · GNU General Public License, version 3.0
SoXOpen sourcereads and writes · GNU General Public License
AndroidOpen sourcereads · Apache Software License 2.0 / GNU General Public License, version 2.0
Apache TikaOpen sourcereads · Apache Software License 2.0
DokielOpen sourcereads · CeCILL / GNU General Public License, version 3.0 / GNU Lesser General Public License, version 3.0 / Mozilla Public License, version 2.0
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
Free Lossless Audio CodecOpen sourcereads · 3-clause BSD License / GNU General Public License, version 2.0 / GNU Library General Public License, version 2.0
GravemanOpen sourcereads · GNU General Public License
GStreamerOpen sourcereads · GNU Library General Public License, version 2.0 or later
LiquidsoapOpen sourcereads · GNU General Public License, version 2.0
Mozilla FirefoxOpen sourcereads · Mozilla Public License, version 2.0
mutagenOpen sourcereads · GNU General Public License, version 2.0
OpaleOpen sourcereads · CeCILL / GNU General Public License, version 3.0 / GNU Lesser General Public License, version 3.0 / Mozilla Public License, version 2.0
OpenFLOpen sourcereads · MIT License
Q117725Open sourcereads · GNU General Public License, version 2.0
Q2596578Open sourcereads · GNU General Public License, version 2.0
Q3898244Open sourcereads · BSD licenses / GNU General Public License / GNU Lesser General Public License
SongRecOpen sourcereads · GNU General Public License, version 3.0
TopazeOpen sourcereads · CeCILL / GNU General Public License, version 3.0 / GNU Lesser General Public License, version 3.0 / Mozilla Public License, version 2.0
VLC media playerOpen sourcereads · GNU Lesser General Public License, version 2.1 or later
xineOpen sourcereads · GNU General Public License
Adobe Auditionwrites
EZ CD Audio Converterreads and writes
FL Studiowrites · proprietary license / shareware
Movavi Video Editorwrites · proprietary license
Sound Forge XP Studioreads and writes
Ableton Livereads · proprietary license
Audify Music Playerreads · proprietary license
CoffeeCup MP3 Rip and Burnreads
diffoscopereads
International Music Score Library Projectreads · Creative Commons Attribution-ShareAlike 4.0 International
IrfanViewreads · freeware
Jaikozreads
JetAudioreads
LiVESreads
Media Player (Windows 11)reads
MediaHuman Audio Converterreads · freeware

And 6 more in the JSON record.

Convert it

To	With	Fidelity	Command and losses
FLAC (Free Lossless Audio Codec) 1.2.1	FFmpeg	Partial	`ffmpeg -i in.ogg out.flac` Audio track only: the video is dropped.
Waveform Audio	FFmpeg	Partial	`ffmpeg -i in.ogg out.wav` Audio track only: the video is dropped.
Matroska 1-4	FFmpeg	Lossy	`ffmpeg -i in.ogg out.mkv` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.
MPEG 1/2 Audio Layer 3	FFmpeg	Lossy	`ffmpeg -i in.ogg out.mp3` Lossy audio only: the video is dropped.
MPEG-4 Part 14	FFmpeg	Lossy	`ffmpeg -i in.ogg out.mp4` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.
WebM	FFmpeg	Lossy	`ffmpeg -i in.ogg out.webm` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.

Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/media/ogg.ksy

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), Just Solve the File Format Problem (File Formats Wiki), Kaitai Struct format gallery, Wikidata. Updated 2026-10-24.

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