Convert Matroska (MKV) to JPEG Online

NexMedia converts Matroska (MKV) to JPEG online, with nothing to install. No account needed to try it — just drag, drop, done.

How to convert Matroska (MKV) to JPEG

  1. 1

    Upload your file

    Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.

  2. 2

    Convert Matroska (MKV) to JPEG

    NexMedia converts Matroska (MKV) to JPEG on its own servers. Processing time depends on the file size and how busy the queue is.

  3. 3

    Download the converted file

    When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.

About Matroska (MKV)

Matroska (MKV) is an open container format that can hold almost any video and audio codec, any number of audio and subtitle tracks, chapters and attachments.

It is popular for films and series with several audio languages and subtitle tracks, and for archiving video.

Many phones, browsers and TVs do not play MKV files directly, even when they support the codecs inside.

Convert MKV to JPEG online free, no account required — JPEG is the universal lossy photo format.

Change MKV to JPEG without losing quality — convert MKV to JPEG free in your browser.

Why won't my MKV file play on my TV or phone? Most TVs and phones play MP4 or H.264 but not the Matroska container, so converting to MP4 makes the file playable on almost any device.

About JPEG

JPEG is the standard lossy image format, named after the Joint Photographic Experts Group that published it in 1992. It shrinks photos to a fraction of their raw size by discarding fine detail.

Photos from cameras and phones, images on the web and email attachments; every device and app opens it.

JPEG has no transparency, stores 8 bits per colour channel, and loses a little more quality every time it is saved again.

Why convert photos to JPG? It is the one image format every website, app and photo service accepts, and at high quality settings the loss is invisible.

What changes when you convert MKV to JPEG

  • Still JPEG images are taken from the MKV video; motion and sound are not kept.
  • You choose which JPEG frames to take from the MKV: a single moment, a number of evenly spaced frames, or one frame every few seconds.
  • Frames are extracted at the source resolution.

Settings you can change

This conversion runs with default settings; there is nothing to adjust.

Limits

Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.

Your converted JPEG file is kept for 2 hours, then deleted.

See the limits of every plan

MKV to JPEG: questions and answers

Does converting MKV to JPEG reduce quality?

Still JPEG images are taken from the MKV video; motion and sound are not kept.

What is the difference between MKV and JPEG?

MKV is a flexible open container for video with any number of audio and subtitle tracks. JPEG is the universal lossy photo format.

Can I change the settings when converting MKV to JPEG?

This conversion runs with default settings; there is nothing to adjust.

Do I need an account to convert MKV to JPEG?

No. You can convert MKV to JPEG without an account; signing in raises the file-size and daily limits.

How long is my converted JPEG file kept?

The JPEG file you convert from MKV is kept for 2 hours, then deleted automatically.

How many JPEG frames can I take from my MKV?

You choose which JPEG frames to take from the MKV: a single moment, a number of evenly spaced frames, or one frame every few seconds.

Will converting MKV to JPEG change my original file?

No. The conversion reads your MKV and writes a new JPEG file, leaving your original MKV file untouched.

Convert Matroska (MKV) to other formats