MKV to GIF converter
Convert MKV to GIF in your browser. No upload and no account: the file never leaves your device, so the only size limit is your device’s memory.
Fit Meter
Lower is smaller and choppier. 10 to 15 looks smooth for most clips.
Bytes of your files sent anywhere: 0 B · nothing leaves this tab
Every request this page makes is listed as it happens. You’ll see our own code loading, and for some formats a codec engine, but never your file going out.
- Waiting for network activity…
Check it yourself: open your browser’s developer tools on the Network tab, or turn off Wi-Fi once the page has loaded. The tools keep working.
Related conversions
Need it the other way round? Convert GIF to MKVRead more about the MKV format and the GIF format, or see every video tool and all video conversions.
Should you convert MKV to GIF?
For a few seconds of silent motion that has to play inline everywhere, including emails and chats that block video, yes. For anything longer, or with sound, keep it as a video: GIF is many times larger and limited to 256 colors per frame.
MKV is a flexible container for any codec, with several audio and subtitle tracks; GIF is a 256-color image format best known for short looping animations. Use GIF for a few seconds of silent animation that has to play inline everywhere, including in email clients that block video.
| Property | MKV | GIF |
|---|---|---|
| Usually contains | H.264 or HEVC video with AAC, AC-3 or Opus audio, often plus subtitles | — |
| Support | Has patchy support | Opens everywhere |
| Plays on | VLC, Plex, Kodi and many smart TVs, but not iPhones, most editors or social apps | Every browser, chat app, phone and computer |
| Best for | Films and series with several languages and subtitle tracks | Short, silent loops and reaction images |
| Introduced | 2002 | 1987 |
How to convert MKV to GIF
- 01
Add your MKV
Drop your MKV video onto the box, or click to choose it. It is read from your disk and stays there.
- 02
Check the settings
The output is already set to GIF. Change the quality if you want to; the defaults suit most files.
- 03
Save the GIF
Press convert and save the GIF. Several files come back together as a ZIP.
What changes when MKV becomes GIF
Pick a short part
GIF stores every frame as a separate picture, so size grows with each second. Choose start and end points, a frame rate of 10 to 15 and a width around 480 pixels to keep the file sensible.
Sound and color
GIF has no audio, so the MKV soundtrack is dropped. Colors are reduced to a 256-color palette built from the clip itself, with dithering to smooth gradients.
Expect a much larger file
GIF is far bigger for the same content. Choose it because something needs GIF, not to send or store the file. MKV: Depends entirely on the codec inside. GIF: A five-second animation can easily pass 10 MB.
This page is put together from our notes on each format, choosing only what is true of MKV and GIF, so every pairing states the same facts the same way. How these pages are made.
Why it doesn’t upload
Making a GIF from a clip of your own video shouldn’t mean uploading the whole video first. The frames are picked and encoded on your device, and nothing is sent anywhere.
How to check for yourselfWorth knowing
- About the MKV. Converting an MKV to a single-track format keeps only one audio track and drops soft subtitles unless you pick them.
- About the GIF. A few seconds of video as GIF is often ten times the size of the same clip as MP4, because GIF compresses each frame as a separate picture.
- Converting uses the FFmpeg engine, a one-time 31 MB download.
Questions
How long can the GIF be?
There’s no hard limit, but every second adds several megabytes. Keep it under about 10 seconds at 480 pixels wide for a file that loads quickly in chats and emails.
Will a GIF play on my phone?
GIF opens everywhere: every browser, chat app, phone and computer. Open it in any browser to see it animate; most photo viewers show only the first frame.