MKV to JPG converter
Save MKV video frames as JPG images, free. One per second, every frame or a single thumbnail. No upload, no sign-up.
Last updated
Quick answer: To save frames from MKV video as JPG images, add the MKV file to the iHateFiles MKV to JPG converter and press Convert. The conversion runs in your browser, so the file is never uploaded, and it is free with no sign-up, watermark or size limit. Saves frames from the video as JPG stills. One a second, every single frame, or a single thumbnail.
Should you convert MKV to JPG?
Worth doing when you need a specific moment out of a MKV as a picture: a thumbnail, a still for a document, or frames to work with individually as JPG files.
Pulling stills out of MKV
Every second of MKV holds twenty-five or more separate pictures. This writes them out as JPG files, either all of them or at an interval you set, which is why a short clip can produce a great many stills.
MKV and JPG side by side
| MKV | JPG | |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | No | No |
| Animation | No | No |
| Written here | Yes | Yes |
What usually goes wrong
About the MKV. MKV and WEBM share a signature because WEBM is a restricted Matroska, so tools sometimes report one as the other. What matters is the codecs inside.
About the JPG. Re-saving a JPG repeatedly degrades it every time, because it re-encodes from the already damaged version. Edit from the original, and export to JPG once at the end.
How to convert MKV to JPG
- Add your MKV file. It is read from your disk and stays there.
- Check the settings. The output format is already set to JPG.
- Press convert and the JPG file is saved back to your device.
Questions
How do I convert MKV to JPG?
Open this page, add your MKV file, and press convert. The file is decoded and re-encoded by your own browser and saved back to your device. Nothing is uploaded.
Is this MKV to JPG converter free?
Yes, completely. There is no account, no sign-in, no watermark and no daily limit, because there is no server doing the work. Your own device does it.
Are my files uploaded anywhere?
No. There is no upload endpoint. The conversion runs inside this browser tab, so your file never leaves your device. You can open your browser's network panel and watch: nothing carrying your file is sent.
Is there a file size limit?
No fixed limit. Because the work happens on your machine there is no server quota. The only ceiling is your own device's memory, which for video means very large files may be slow.
Will converting to JPG lose quality?
JPG is a lossy format, so some detail is discarded. The quality control on this page decides how much. The default is set high enough that most people cannot see the difference.
Can I convert several MKV files at once?
Yes. Add as many as you like and they are converted one after another, then offered as a single ZIP.