Matroska 3D Stereoscopic video

Unknown

other

file format

Identify it

Extensions	`.mk3d`
Wikidata	`Q27967520`

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Open it

AndroidOpen sourcereads and writes · Apache Software License 2.0 / GNU General Public License, version 2.0
FFmpeg (WebAssembly)Open sourcereads and writes · GPL-2.0-or-later
Q3273046Open sourcereads and writes · GNU General Public License, version 2.0
Q847465Open sourcewrites · GNU Lesser General Public License, version 2.1 or later
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
GStreamerOpen sourcereads · GNU Library General Public License, version 2.0 or later
HandBrakeOpen sourcereads · GNU General Public License, version 2.0
Kid3Open sourcereads · GNU General Public License / GNU General Public License, version 2.0 or later
libMatroskaOpen sourcereads · GNU Lesser General Public License, version 2.1 or later
PhotoRecOpen sourcereads · GNU General Public License
Q141647658Open sourcereads · Apache Software License 2.0 / MIT License
Q2596578Open sourcereads · GNU General Public License, version 2.0
Q3898244Open sourcereads · BSD licenses / GNU General Public License / GNU Lesser General Public License
VLC media playerOpen sourcereads · GNU Lesser General Public License, version 2.1 or later
xineOpen sourcereads · GNU General Public License
Any Video Converterreads and writes
Movavi Video Editorreads and writes · proprietary license
Media Player (Windows 11)reads
Awave Studioreads
CineAssetreads
EZ CD Audio Converterreads
Freemake Video Converterreads · freeware
LiVESreads
Mp3tagreads · free license
OvenMediaEnginereads
PowerDVDreads · proprietary license
Q300915reads · freeware
SpaceClaimreads

Convert it

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To	With	Fidelity	Command and losses
FLAC (Free Lossless Audio Codec) 1.2.1	FFmpeg (WebAssembly)	Lossless	in browser Lossless for decoded audio; a lossy source stays as degraded as it was.
Waveform Audio	FFmpeg (WebAssembly)	Lossless	in browser Lossless for decoded audio; a lossy source stays as degraded as it was.
Advanced Audio Coding	FFmpeg (WebAssembly)	Lossy	in browser Lossy re-encoding.
Audio/Video Interleaved Format	FFmpeg (WebAssembly)	Lossy	in browser Re-encoded with lossy codecs (H.264/AAC, or VP8/Vorbis for WebM).
GIF 89a	FFmpeg (WebAssembly)	Lossy	in browser 10 frames per second, at most 480 pixels wide, 256 colours, no sound.
MPEG 1/2 Audio Layer 3	FFmpeg (WebAssembly)	Lossy	in browser Lossy re-encoding.
MPEG-4 Part 14	FFmpeg (WebAssembly)	Lossy	in browser Re-encoded with lossy codecs (H.264/AAC, or VP8/Vorbis for WebM).
Ogg	FFmpeg (WebAssembly)	Lossy	in browser Lossy re-encoding.
Ogg Opus Codec Compressed Multimedia File	FFmpeg (WebAssembly)	Lossy	in browser Lossy re-encoding.
Quicktime	FFmpeg (WebAssembly)	Lossy	in browser Re-encoded with lossy codecs (H.264/AAC, or VP8/Vorbis for WebM).
WebM	FFmpeg (WebAssembly)	Lossy	in browser Re-encoded with lossy codecs (H.264/AAC, or VP8/Vorbis for WebM).

Sources

From Wikidata. Updated 2026-10-20.

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