What video formats can I convert to MKV using this tool?

While exact supported inputs aren't listed, common formats include MP4, AVI, MOV, WEBM, FLV, MPEG/MPG, and others typically accepted by online MKV converters.

Does converting to MKV reduce the video quality?

If your source codecs are compatible, the tool can remux without re-encoding, preserving original quality. If re-encoding is needed, quality depends on the chosen codec and settings.

Can MKV files be played on all devices?

MKV files are widely supported on desktop players like VLC but may need third-party apps or codecs on some mobile devices and browsers.

MKV File Converter - Convert Videos Online to Matroska Format

Use our MKV File Converter to easily convert your videos to the Matroska (MKV) container format online. Preserve multiple audio tracks, subtitles, and chapter information in a single high-quality file.

Upload Your File | Maximum Size Upto 25MB

Quick Access to 39 MKV File Conversion Pairs

What Is This Tool?

The MKV File Converter is an online tool designed to convert various video files into the MKV (Matroska) container format. MKV is a versatile multimedia container that can hold multiple video, audio, subtitle tracks, chapters, and attachments within one file, commonly with the .mkv extension.

How to Use This Tool?

Upload your source video file in a supported input format (commonly MP4, AVI, MOV, WEBM, etc.)
Select MKV as your target conversion format
Adjust optional settings if available, such as codecs, resolution, audio tracks, and subtitles
Start the conversion and wait for it to complete
Download the converted MKV file to your device

Key Features

Converts video files to the MKV container format supporting multiple streams
Allows preservation of multiple audio and subtitle tracks within one file
Supports various codecs commonly used inside MKV such as H.264, H.265, VP8/VP9 for video and AAC, AC-3, MP3 for audio
Enables combining chapters and attachments like fonts into the final MKV file
Online, no installation required; accessible via browser

Examples

Convert an MP4 video to MKV to include multiple subtitle streams
Package a movie with several language audio tracks and embedded chapter markers in one MKV file
Convert a downloaded AVI file into an MKV container for better playback compatibility on desktop players
Combine separate audio and subtitle files into a single MKV video container

Common Use Cases

Creating videos with multiple audio languages and subtitle options for home viewing
Archiving high-quality videos using flexible codec choices supported by MKV
Preparing video files for playback in desktop applications with broad MKV support
Consolidating separate multimedia streams into a single distributable file

Tips & Best Practices

Ensure source video/audio codecs are compatible with MKV to avoid unnecessary re-encoding
Use MKV when multiple audio, subtitle tracks, and chapters need to be preserved together
Prefer desktop players like VLC or MPC-HC for smooth MKV playback
Consider MP4 or WebM formats for maximum web and mobile device compatibility

Limitations

Some mobile devices and browsers may not natively support MKV playback without additional apps
Exact file size or processing limits for this online tool are not specified
Conversion without re-encoding requires compatible codecs between source and MKV container
Security and privacy details of the conversion process are not provided

Frequently Asked Questions

What video formats can I convert to MKV using this tool?: While exact supported inputs aren't listed, common formats include MP4, AVI, MOV, WEBM, FLV, MPEG/MPG, and others typically accepted by online MKV converters.
Does converting to MKV reduce the video quality?: If your source codecs are compatible, the tool can remux without re-encoding, preserving original quality. If re-encoding is needed, quality depends on the chosen codec and settings.
Can MKV files be played on all devices?: MKV files are widely supported on desktop players like VLC but may need third-party apps or codecs on some mobile devices and browsers.

Key Terminology

MKV (Matroska Video): An open-standard multimedia container format that holds multiple video, audio, subtitle streams, chapters, and attachments in one file.
Codec: Software or hardware that compresses and decompresses digital media to store or transmit video/audio.
Remuxing: The process of changing the container format without altering the actual audio or video data streams.

Quick Knowledge Check

What type of format is MKV?

A video codec

A multimedia container format

An audio format

Which of these is a benefit of converting videos to MKV?

Supports multiple audio and subtitle tracks

Only supports a single video stream

Removes audio tracks

What should you check to avoid quality loss during conversion to MKV?

Source video codec compatibility with MKV

File name length

Screen resolution only