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Editors’ Review

Download.com staff

Free MKV to MP4 Converter (64-bit) converts Matroska video files (MKV) into MP4 format. It supports multiple video encoders, including H.264/AVC, H.265/HEVC, and Xvid, as well as AAC and MP3 for audio encoding. It offers predefined profiles for quick configuration and allows manual adjustment of encoding parameters. You can modify bitrate, resolution, aspect ratio, frame rate, color settings, and more. 

Free MKV to MP4 Converter (64-bit) supports batch processing, detailed file property viewing, and saving settings or encoder commands to external files. It is a portable application, storing configurations in INI files without the system registry.

Your video, your way

Free MKV to MP4 Converter (64-bit) provides conversion from MKV to MP4 with configurable multimedia encoding parameters. It includes support for multithreaded processing and compatibility with HTML5 video specifications through specific encoder combinations. However, it has basic adjustments, such as selecting audio tracks, color adjustments, cropping, scaling, rotation, and deinterlacing. It supports two-pass encoding, displays detailed file properties, and lets you create custom profiles and export encoding commands.

The main window shows a file list with video details and a toolbar for quick access to functions. A separate settings window groups encoding options for video, audio, and filters into tabs. Codec selection is handled via drop-down menus, while numerical and slider controls adjust bitrates. A profile system is available from the top menu, allowing you to switch between predefined and saved custom configurations.

Files added via drag-and-drop or menu selection appear in a list with their technical details. The encoding configuration is determined by selecting a profile or adjusting parameters. Pressing convert initiates the process, and progress indicators show the status of each task. It processes files in a specified order and saves them to a designated location. It can also save a BAT file with the conversion commands for external use.

  • Pros

    • Multiple video and audio encoder options
    • Detailed file property display in main window
    • Customizable and savable encoding profiles
    • Portable design without system registry use
  • Cons

    • Limited to basic adjustments

Bottom Line

Simple and powerful

Free MKV to MP4 Converter (64-bit) converts MKV files to MP4. It allows detailed control over video and audio encoding. It includes multiple encoder options and technical file information. The software converts MKV files to MP4, supporting both quick profile-based conversions and detailed custom setups. It also handles batch processing and can save encoder commands for external use, though its editing capabilities are limited to basic adjustments.

What’s new in version 1.2

  • Added H.265/HEVC encoder support
  • Updated x264 and FFmpeg libraries
  • Improved multithreaded encoding performance
  • Expanded language support list


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Full Specifications

GENERAL
Release
Latest update
Version
1.2
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows Vista
  • Windows 10
  • Windows 8
  • Windows 7
  • Windows XP
Additional Requirements
None
POPULARITY
Total Downloads
68,813
Downloads Last Week
208

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Developer’s Description

Convert MKV video files to MP4 format.
Free MKV to MP4 Converter is a absolutely free program that allows you to convert Matroska video files (MKV) to MP4 format.MP4 files created by the program can be played on many portable devices (iPhone, iPod, Samsung Galaxy, Microsoft Surface, HTC, PSP) and fixed media players (WD TV, Xtreamer, Asus O!Play).The video stream from the input file can be encoded using modern video encoders: H.264/AVC, H.265/HEVC, or the old generation, but still very popular Xvid encoder. For encoding audio streams the program uses AAC (Advanced Audio Coding) or MP3 encoder (LAME).At default settings, the application converts files using H.264 video encoder and AAC audio encoder, and automatically selects all the encoding parameters so as to preserve the original video and audio quality. Created MP4 files will be compatible with HTML5 standard, so you can use it on your website.The program includes a number of conversion profiles developed for the typical conversion tasks. More advanced users can customize many video and audio encoding parameters: video and audio codec, video and audio bitrate, display aspect ratio, frames per second, resolution, color conversion to grayscale or sepia, brightness, audio sampling frequency, volume and other.The basic operation of the application is a very simple: just drag and drop MKV files into main window and click Convert button on the toolbar.

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