R3D to MKV Converter

Easily convert your R3D files to MKV format in the Video category with ConvertOnline's efficient tool.

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What is R3D ?

The R3D file format is a proprietary video file format developed by RED Digital Cinema. It is primarily used for storing high-resolution raw video footage captured by RED cameras.

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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.

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How to Convert R3D to MKV in Just a Few Steps

  1. Upload your R3D file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose MKV as the output format
    The tool will automatically convert your file to MKV.
  3. Start the conversion
    Click the "Convert" button and let our tool handle everything. The conversion only takes a few seconds.
  4. Download your converted file
    Once complete, download your new MKV file instantly.

Start converting R3D to MKV now — it’s fast, safe, and completely online!