Compress MKV

Fast Compression

The tool will do everything for you, just upload your file and select the best setting to reduce its size and keep the quality you need.

Online Tool

The MKV compressor is completely online which means that you don't have to download and install anything to your device.

Secure Encryption

You're the only one who has access to your files because all the communications are performed via secure channels.

Why compress MKV file

MKV is an open multimedia container format also known as Matroska Multimedia Container. It can store audio, video, and text in one file.

You probably need to compress your MKV video to share it to social media like Facebook, Twitter, or Instagram. It'd be also useful if you want to send it through email as all such services have a size limit, for example, Gmail allows only 25 MB for all the files in one email message.

The Online MKV Compressor by Clideo will help you do that with one click and completely online. You can compress any amount of videos a day.

How to compress MKV files without losing quality

Need help?

Visit our Help Center

Step

Add an MKV video

Choose a video from your Mac, Windows, Android, or iPhone. You can also select it from Google Drive, Google Photos, or Dropbox by clicking the blue downward arrow. You can add a file up to 500 MB.

Step

Wait a little

Then select one of the compression options and hit "Compress". Now, wait a few moments, depending on the file size. The tool will compress your video as much as possible according to the selected settings.

Step

Download your video

Your video is ready to be saved! The tool shows you the initial size and the compressed one so you can compare. Download it back to your device or to cloud storage.

Frequently Asked Questions

FAQ

What’s the best way to make an MKV file smaller without lowering its quality?

Choose a compression option that balances smaller file size with high quality.

What method should I use to make my MKV video email-ready?

Pick the strongest compression preset or split your video into smaller sections for individual compression.

Will I get the final file size preview before compressing my MKV file?

Clideo provides an estimate of the file size and compression level before finalizing the process.

What's the maximum file size for compression?

Free users can compress videos up to 500MB in size, while premium users can work with larger files.

Is an account necessary to use the MKV video compressor?

Account creation isn’t required for basic use, though premium users enjoy added benefits like watermark-free output and larger file uploads.

Can I compress files offline using Clideo?

Our web tool needs Internet, but offline compression is possible through the Clideo iPhone compression app.

Can I compress a video on my smartphone without downloading an app?

Yes, Clideo lets you compress videos directly in your mobile browser.

Can the original quality be restored after WMV compression?

The original quality can't be recovered after compression, so we suggest keeping a copy of your uncompressed file.

Explore further

Discover related tools

4.8 5,300 reviews

A most user-friendly, easy-to-manage app, and all online, so there is no downloading or anything complicated - and most of it is FREE too! It has so many features for creating video and audio projects, with clear instructions. Amazing.

Elaine

I am delighted with your website's video editing and image editing tools! The variety of features available is impressive, and the user-friendly interface makes the editing process a breeze. Keep up the fantastic work! Highly recommended!

Hamdy El Shimi

Clideo is a one-stop shop for your creative needs. It is the best because of various reasons. 1– easy to use. 2– perfect tools to work in videos and audio. 3– they are not greedy for money (this is the best thing), very genuine pricing plans for professionals.

Vishal Kukreti

Clideo.com is an awesome video-making site. I really love this all-in-one site for creating videos and all of its awesome features! There’s so much you can do for free which I really like and appreciate! Thanks, Clideo.com!

Dan Gersalia

The best video editor. I've already tried out a lot of video editors, but this is the best one. It has everything in there, unlike others that need a lot of other websites to do different things. Thank you so much.

Lucas Low