MKV to OGV - Online Video Converter

Convert MKV to OGV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert MKV to OGV

[+] Drop MKV video here or click to select MKV

Output format

OGV (Theora / Vorbis)

No transcoding (remux only)[i]

Mode[i]

Simple Advanced

Quality[i]

Resolution[i]

About MKV to OGV

Convert MKV to OGV. MKV is an open container holding multiple video, audio, and subtitle tracks. OGV carries Theora video with Vorbis audio in an Ogg container. Hardware support is thin, so convert for phones and editors..

Why convert MKV to OGV?

Smaller files with OGV lossy compression.
Keep animation and transparency where supported.
Private, no upload - runs in your browser.

MKV vs OGV

Animation	Yes	Yes
Transparency	Yes	No
Compression	lossy	lossy
Typical use	MKV is an open container holding multiple video, audio, and subtitle tracks.	OGV carries Theora video with Vorbis audio in an Ogg container.

When not to convert MKV to OGV

Skip OGV for archival masters: lossy compression discards detail, so keep the MKV original.
Flatten transparency first: OGV has no alpha channel, so composite MKV over a background color.

Limits

Starting point: MKV - Multi-track container for video, audio, subtitles. Only the selected tracks carry over, so pick audio and subtitles first. Hardware support is thin, so convert for phones and editors. Encode OGV (Theora / Vorbis) from MKV at a bitrate near the source, and confirm the audio track before converting.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

Related conversions

FAQ

How do I convert MKV to OGV?

Drop your MKV file onto this page, choose quality and codec settings, then click Convert. The result downloads as OGV instantly. All processing runs in your browser.

What codec is used for OGV?

The default codec for OGV is Theora / Vorbis. You can change the video and audio codec in Advanced mode.

How do you store my files?

We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.