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File Converters TIFF and PDF apps Forensic Freeware1) Upload MKV file to convert
Drop files here, or Click to select
2) Set converting MKV to MP4 options
3) Get converted file
Total Movie Converter
Total Movie Converter is a handy solution to convert video files of almost all popular video codecs toAVI, MPG, WMV, MPEG, FLV. In addition, Total Movie Converter is great for converting video for iPad, iPhone, Apple TV, Archos, XBox and others thanks to the new Video To Device feature.
If you make home videos with a HD camera Total Movie Converter will make your videos suitable for the web in two clicks. Use this powerful video converter to rotate your videos or resize them. Total Movie Converter converts video from YouTube, Vimeo, and Sevenload. All you have to do is enter the url. The video converter can also change the codec or system type between all popular video formats. You can also adjust Audio\Video bitrate, Frame Rate, cut any piece of your movie or combine video.💾 Upload Your File: Go to the site, click on «Upload File,» and select your MKV file.
✍️ Set Conversion Options: Choose MP4 as the output format and adjust any additional options if needed.
Convert and Download: Click 👉«Download Converted File»👈 to get your MP4 file.
| File extension | .MKV |
| Category | Video File |
| Description | MKV is not a multimedia compression format, but rather a container format, which incorporates various types of multimedia. Mostly, such files contain audio, video, textual information (subtitles), etc. ñ elements, which may use completely different encoding patterns. MKVís biggest advantages are easy online sharing, low error rate, dissection of files into separate chapters, switchable subtitles, switchable audio- and video tracks, etc. Mostly, MKVs consist of open source elements, and they can be played in a vast number of players on nearly all existing platforms. |
| Associated programs | VLC Media Player |
| Developed by | Steve Lhomme |
| MIME type | video/x-matroska audio/x-matroska |
| Useful links | More detailed information on MKV files |
| Conversion type | MKV to MP4 |
| File extension | .MP4 |
| Category | Audio File |
| Description | MP4 files can contain video and sound data. It is a file container that supports different multimedia content types such as multiple audio streams, subtitles, 2D and 3D image frames. MP4 is also used for streaming media services (online or digital TV). This file type supports the control of transmission speeds for media signal, as well as correcting corrupted frames. Thanks to comparatively low system requirements, MP4 is now the most popular container type for sharing media. |
| Associated programs | Apple QuickTime Player Apple iTunes Microsoft Windows Media Player VideoLAN VLC Media Player |
| Developed by | Moving Picture Experts Group |
| MIME type | |
| Useful links | More detailed information on MP4 files |
MKV (Matroska) is the most capable open-source video container available — it can hold virtually any video codec, multiple audio tracks, subtitles, chapter markers, and metadata in a single file. This flexibility makes MKV the standard format for Blu-ray rips, anime downloads, and high-quality internet video. But MKV's universality as a container does not translate to device compatibility: iPhones, many Smart TVs, PlayStation consoles, and social media platforms either do not support MKV natively or impose restrictions. MP4 is the universal video format that plays everywhere. Converting MKV to MP4 — especially when the video is already encoded as H.264 or H.265 — often requires only a container change with no quality loss, giving you a file that plays on every device without transcoding.
MKV (Matroska Video) is an open-source multimedia container format developed by the Matroska project and first released in 2002. Unlike MP4, which has strict codec constraints, MKV can hold virtually any combination of video codecs (H.264, H.265/HEVC, VP9, AV1, MPEG-2), audio codecs (AAC, MP3, AC-3, DTS, TrueHD, FLAC, Opus), and subtitle formats (SRT, ASS/SSA, PGS, VOBSUB). MKV also supports multiple audio tracks (different languages), selectable subtitle tracks, chapter navigation, and embedded attachments — features used extensively in Blu-ray rip workflows.
| Property | MKV (Matroska) | MP4 (MPEG-4 Part 14) |
|---|---|---|
| Container type | Open-source, flexible | ISO standard, strict codec set |
| Video codecs | H.264, H.265, VP9, AV1, MPEG-2, and more | H.264, H.265, MPEG-4 Part 2 |
| Audio codecs | AAC, MP3, AC-3, DTS, TrueHD, FLAC, Opus | AAC, MP3, AC-3 (limited) |
| Multiple audio tracks | Yes — multiple languages | Yes, but fewer players support switching |
| Subtitle tracks | SRT, ASS, PGS, VOBSUB | TTXT, MOV text (limited) |
| iPhone/iOS support | No native support | Full native support |
| Smart TV support | Varies — often unsupported | Universal |
| Social media upload | Not accepted | Required by most platforms |
The converter analyzes the MKV file to identify the video and audio codec streams inside. When the video is H.264 or H.265 — the most common case for internet and Blu-ray rip MKV files — the converter performs a lossless remux: the video bitstream is moved from the Matroska container into the MP4 container without any re-encoding or quality change. Audio streams in AAC or MP3 format are similarly remuxed without modification. Audio streams in DTS, TrueHD, or FLAC format — not supported in MP4 — are transcoded to AAC. Video in VP9 or AV1 codec format is re-encoded to H.264.
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