Why should I convert FLV to MKV?

Converting FLV to MKV improves compatibility with modern players and allows inclusion of multiple audio and subtitle tracks along with rich metadata.

Will converting FLV to MKV reduce video quality?

This conversion tool typically remuxes streams without re-encoding, so the original video quality is preserved.

Can I play MKV files on all devices?

While MKV is widely supported, some hardware devices and platforms may lack native MKV playback compatibility depending on the codecs used.

Convert Your Video to the MKV Format

Easily convert your FLV video files to the versatile MKV container format online. Learn why MKV is ideal for high-quality video storage with multiple tracks and how to perform the conversion quickly.

Upload Your File | Maximum Size Upto 25MB

Quick Access To 38 FLV File Conversion Pairs

What Is This Tool?

This tool allows you to convert video files from the FLV format to the MKV format. FLV is a legacy Flash-based container primarily used for web video delivery, while MKV is a modern, flexible multimedia container that supports multiple audio, video, and subtitle tracks along with rich metadata.

How to Use This Tool?

Upload your FLV video file to the converter interface
Select MKV as your desired output format
Adjust any optional settings such as subtitle or audio track inclusion if available
Click the convert button to start the process
Download the converted MKV video file once the conversion completes

Key Features

Converts FLV video files to MKV format without re-encoding to preserve quality
Supports multiplexing multiple audio, video, and subtitle streams into one MKV file
Easy-to-use browser-based interface for quick video conversion
Maintains original video codecs like H.264 during conversion
Enables inclusion of chapters, attachments, and rich metadata in output files

Examples

Convert an archived FLV video from older Flash platforms into MKV to improve compatibility with modern players
Convert FLV web videos to MKV for adding multiple audio languages and subtitles for distribution

Common Use Cases

Archiving legacy FLV videos in a versatile container suitable for modern playback devices
Creating high-quality video files with several audio tracks and subtitles for movie releases
Preparing video review copies with selectable commentary and subtitle formats
Migrating flash-based videos to formats supported by current hardware and software

Tips & Best Practices

Ensure original codecs in FLV are compatible with MKV container to avoid unnecessary re-encoding
Use MKV for videos requiring multiple audio or subtitle tracks for better multimedia experiences
Check playback compatibility for your target devices before finalizing multiple attachments or advanced subtitles
Keep backups of original FLV files prior to conversion in case of any unexpected quality changes

Limitations

FLV depends on outdated Flash technology and may contain codecs not fully supported by all MKV players
MKV playback depends on codecs used inside the container, which might not be compatible with all hardware devices
Advanced MKV features like attachments or uncommon subtitle formats may not work on every player
Conversion quality depends on the original video encoding; the container changes but codecs remain the same

Frequently Asked Questions

Why should I convert FLV to MKV?: Converting FLV to MKV improves compatibility with modern players and allows inclusion of multiple audio and subtitle tracks along with rich metadata.
Will converting FLV to MKV reduce video quality?: This conversion tool typically remuxes streams without re-encoding, so the original video quality is preserved.
Can I play MKV files on all devices?: While MKV is widely supported, some hardware devices and platforms may lack native MKV playback compatibility depending on the codecs used.

Key Terminology

FLV: Flash Video, a legacy container format used for delivering synchronized audio and video through Adobe Flash Player.
MKV: Matroska, an open multimedia container that supports multiple audio, video, subtitle tracks, and metadata within one file.
Remuxing: The process of changing the container format of video and audio streams without re-encoding the original data.

Quick Knowledge Check

What type of format is FLV?

An image format

A Flash-based video container

A text document format

Which of the following is a key advantage of MKV?

Supports multiple audio and subtitle tracks

Designed for low startup latency streaming

Is a proprietary codec

What does the conversion from FLV to MKV typically preserve?

File size compression

Original stream quality via remuxing

Flash-based streaming features