FLV to MKV Converter

Convert FLV to MKV online quickly and easily. Just upload your file, convert it, and download the MKV in seconds.

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What is FLV ?

FLV (Flash Video) is a file format used to deliver video over the internet using Adobe Flash Player. It is commonly associated with streaming media and is supported by various web browsers and applications.

FLV format  ▶

What is MKV ?

MKV, or Matroska Video, is a versatile multimedia container format that can hold a variety of video, audio, subtitle, and metadata streams. It is widely used for high-definition online video content due to its support for advanced codecs and features such as multiple audio tracks and subtitles.

MKV format  ▶

How to Convert FLV to MKV in Just a Few Steps

  1. Upload your FLV file
    Drag and drop your FLV file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose MKV as output format
    The converter is preset to MKV, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.

Why Convert FLV to MKV file?

FLV (Flash Video) is a dated format that struggles to play on modern devices and software, while MKV is a flexible modern container that holds high-quality video, multiple audio tracks, and subtitles. Converting FLV to MKV brings your old web video into a versatile, up-to-date format favored for movies and media servers.

The conversion keeps your video playable while moving out of the retired Flash format and into a container that supports rich features. If you need the widest compatibility across phones and websites, MP4 is safer, but for a flexible, feature-rich format that plays well on media players supporting it, MKV is an excellent choice. Your original FLV stays untouched.

Start converting FLV to MKV now — it’s fast, safe, and completely online!

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