The mkv converter
secure & eco-friendly

Convert your mkv files to any format.

Drop your files here.

100 MB total combined size

Drop your files here. 100 MB total combined size
or 50 MB per file

Drop your files here. It's ecological

How to convert a mkv file for free online

With Convertall, you can easily convert mkv files to the preferred file extension of your choice. This conversion process is fast, maintains the quality of the files, and provides advanced customization options. Simply select one or multiple files, then specify the desired output format. In just a few moments, your files will be ready for download.
Don't worry about the confidentiality of your files

We prioritize the security of your mkv files. To ensure this, we use a secure SSL connection during the import process, and we encrypt the files end-to-end on our servers using the AES-256 algorithm. After the conversion, no data or history is retained, guaranteeing complete confidentiality of your files.
The most environmentally friendly mkv converter that exists

Choose an environmentally friendly file converter ! With our solution, you can convert your files in an eco-responsible manner by prioritizing environmentally friendly practices such as using renewable energy, reducing CO2 emissions, and promoting sustainability. Our service is fast, secure, and eco-friendly.

How to convert a mkv file on Convertall ?

With these 4 simple steps, you can easily convert your files with ease

Import

Import the files you want to convert from your computer, Dropbox, Google Drive, or a remote URL.
Format

Select the format of your choice for file conversion. Convertall supports the most commonly used formats such as mkv.
Options

You can customize the conversion options according to your needs, such as modifying the quality, etc.
Download

Once the conversion is complete, you can download each file individually or all the files in a compressed folder.

Here is a list of the most frequently asked questions

How long does it take to convert a file ?: The time required to convert a file depends on both its size and type. For example, audio and video files will take longer to convert than text documents due to their larger size and additional preprocessing required.
Regarding the confidentiality of your files: Your data is secured with AES-256 encryption, a widely recognized and robust algorithm used to protect sensitive data. This means that your files are made unreadable and invulnerable, ensuring their security and confidentiality.
What are the limits not to exceed ?: You can import up to 20 files, ensuring that each file does not exceed 50 MB and the total size of all files does not exceed 100 MB. If you wish to import more files without being limited by size, we encourage you to check out our paid offers.
Do I need to install any software ?: Convertall is a free online service that does not require any software installation. Whether you are using a computer, tablet, or smartphone, you simply need to visit the website and choose the {{ category }} files you want to import. Everything happens online without the need for any software installation.

Overall evaluation of the quality of conversion

Our users have given us a rating of 4.7/5 based on 1,797,475 votes.