MKV to JPG converter
Convert MKV to JPG in your browser. No upload and no account: the file never leaves your device, so the only size limit is your device’s memory.
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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.
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Related conversions
Other ways to convert MKV
Read more about the MKV format and the JPG format, or see every video tool and all video conversions.
Should you convert MKV to JPG?
Yes, whenever you need pictures out of a clip: a thumbnail, a still for a document, or evidence from dashcam footage. The MKV isn’t changed; stills are saved beside it as JPG files.
MKV is a flexible container for any codec, with several audio and subtitle tracks; JPG is a lossy photo format that trades detail you can’t see for much smaller files. Use JPG for photographs you are sending, uploading or printing, especially when a form or app is fussy about formats.
| Property | MKV | JPG |
|---|---|---|
| What it is | A flexible container for any codec, with several audio and subtitle tracks | A lossy photo format that trades detail you can’t see for much smaller files |
| Compression | Lossy | Lossy |
| Best for | Films and series with several languages and subtitle tracks | Photographs that need to open anywhere and stay reasonably small |
How to convert MKV to JPG
- 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
Choose one frame, one per second or every frame, and PNG or JPG.
- 03
Save the stills
Press convert and save the stills. Several files come back together as a ZIP.
What changes when MKV becomes JPG
One frame, or many
Save a single frame at the moment you type, one frame every few seconds, or every frame of a short clip, up to 3,000 stills. Many stills download together as a ZIP.
JPG keeps stills small
JPG stills at quality 90 look the same as the video frame and are a fraction of the size of PNG, which matters when you export hundreds of them.
Stills are only as sharp as the video
A frame from compressed video carries the video’s compression, and fast motion blurs. Pick a moment with little movement for the clearest picture.
This page is put together from our notes on each format, choosing only what is true of MKV and JPG, so every pairing states the same facts the same way. How these pages are made.
Why it doesn’t upload
A still from your own video shouldn’t require sending the whole video to a server. Frames are decoded and saved on your device, and the video never leaves it.
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 JPG. Re-saving a JPG again and again degrades it, because each save compresses the already compressed version. Keep an original and export to JPG once, at the end.
- AVI, WMV, FLV and other older formats use the FFmpeg engine, a one-time 31 MB download.
Questions
How do I get a single frame from an MKV as JPG?
Add the video, choose “One frame”, type the moment in seconds and save it. The JPG is exactly the size of the video frame.
Can I save every frame of an MKV?
Yes. A short clip at 30 frames a second gives 30 JPG files per second, bundled into a ZIP. For long videos, one frame per second is usually enough.
Read more about this
Other tools
- Video to Images Export frames as JPG or PNG, one a second or every single one.
- Video to GIF Turn a few seconds of video into a GIF that plays everywhere.
- Trim Video Cut the start and end off a clip without re-encoding it.
- Video Converter MP4, MOV, MKV, WebM, AVI and a dozen older formats, any direction.