Free MKV to SPX Converter

Convert MKV to SPX for free and online, easily convert your video file without needing to download any software or pay any fees

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Maximum file size 200 MB

MKV

Matroska Video

Matroska Video is a container format, based on the Extensible Binary Meta Language (EBML), which is a binary derivative of XML. It is used for storing audio, video, and subtitles.

Main usage

Matroska Video is commonly used for storing high-definition video content, such as movies and TV shows.

    Main features

  • High compression ratio
  • Support for multiple audio and subtitle tracks
  • Support for multiple video tracks

SPX

Ogg Speex

Ogg Speex is an audio compression format designed for speech and is based on the open source Speex codec.

Main usage

Ogg Speex is mainly used for voice over IP (VoIP) applications, such as Skype, and for audio streaming applications, such as online radio.

    Main features

  • Low bitrate
  • High quality speech compression
  • Supports variable bitrate