Convert MKV to GIF
Ethical Tube's free MKV to GIF converter turns clips from MKV videos into animated GIFs, the classic format for short looping animations. It runs entirely in your browser, so your videos are never uploaded, and it's free with no sign-up or watermark.
Files are converted on your device and never uploaded.
- Price
- Free
- Uploads
- None, it runs on your device
- Sign-up
- Not needed
- Batch
- Unlimited files
- Output
- GIF, frame rate and size you choose
- Install
- Nothing to install
How it works
How to convert MKV to GIF
Add your MKV files
Drop MKV files onto the converter, click to choose them, or paste from the clipboard. Add as many as you like.
Check the settings
Pick where the clip starts, how long it runs, its width, and the frame rate.
Download your GIF images
Each file gets its own download button as soon as it's ready. Download all saves everything in one ZIP file.
The formats
MKV and GIF at a glance
What is an MKV file?
MKV (Matroska) is an open container that can hold almost any video and audio codec, plus several audio tracks and subtitles in one file. It's popular for films, TV recordings, and OBS recordings. Many phones, TVs, editors, and QuickTime can't play MKV, so it's often converted to MP4. It opens in VLC, mpv, Plex, Kodi, Windows Media Player on Windows 10 and 11, and many smart TVs. QuickTime, iMovie, and iPhone can't open it.
What is a GIF file?
GIF is a decades-old image format best known for short looping animations. Each frame can use at most 256 colors, which suits simple graphics but makes photos look grainy, and it supports only on-or-off transparency. GIFs have no sound. It opens in every browser, messaging app, and social network, plus Windows Photos, macOS Preview, and image editors.
Good to know
What changes when you convert MKV to GIF
- GIFs have no sound and at most 256 colors per frame, so gradients may show banding.
- GIFs are much bigger than videos. Short clips at 10 to 15 frames per second and 480 pixels wide stay small enough to share.
- Copy-protected (DRM) files can't be converted.
- Very long videos can run out of memory, especially on phones.
FAQ
Questions, answered
Is this MKV to GIF converter free?
Yes. It's completely free, with no sign-up, no watermark, and no limit on how many files you convert. It costs Ethical Tube nothing to run, because the conversion happens on your own device rather than on a server.
Are my files uploaded anywhere?
No. The conversion runs inside your browser with Mediabunny and your browser's WebCodecs video encoders, so your files never leave your device. Once the page has loaded, it even works offline.
How do I keep the GIF small?
Keep the clip short (under 10 seconds), set the width to 480 pixels or less, and use 10 to 15 frames per second. Every extra frame and pixel adds to the size.
Can I convert several MKV files at once?
Yes. Add as many as you like. They're converted one after another, and you can download each GIF file as soon as it's ready or all of them in one ZIP file.
Does it work on iPhone, Android, Mac, and Windows?
Yes. It works in current versions of Chrome, Edge, Safari, and Firefox. Phones handle short clips well, and long or 4K videos convert best on a computer.
What can open a GIF file?
Every browser, messaging app, and social network, plus Windows Photos, macOS Preview, and image editors.
Is there a file size limit?
There's no upload limit because nothing is uploaded. The practical limit is your device's memory: everyday files are fine, and a computer can usually handle videos up to about 2 GB.
Keep converting
Related converters
Start your first recording in seconds
It's free, it runs in your browser, and there's no account to create.
Start recording for free