Convert Matroska Video (.mkv) to Android Video (.android-video) online for free. Fast, secure video conversion with no watermarks or registration.
Upload your .mkv file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mp4 file when it's ready.
Android devices support a broad range of codecs, but not every combination plays smoothly across the thousands of device models from dozens of manufacturers. Converting MKV to an Android-optimized video profile ensures your file uses H.264 Baseline or Main profile with AAC audio in an MP4 container — the combination guaranteed to work from entry-level phones running Android 5.0 to the latest flagships.
While recent Android versions can play MKV files containing H.264, the container itself causes issues with certain media player apps, the Android share system, and older gallery applications that only scan for MP4 files. Many MKV files also use codecs like VP9 or H.265 at profiles that budget Android devices lack hardware decoders for, causing software decoding that drains battery and stutters on low-end Mediatek or Unisoc chipsets.
Converting to an Android-optimized profile eliminates these compatibility headaches. The output uses H.264 Baseline or Main profile at a resolution and bitrate matched to typical Android screen sizes (1080p or 720p), with AAC-LC audio, and the MP4 container's moov atom placed at the beginning for instant playback without buffering.
FFmpeg re-encodes the MKV video to H.264 Baseline or Main profile at CRF 23, limiting resolution to 1920x1080 and framerate to 30fps. Audio is re-encoded to AAC-LC at 128 kbps stereo. The moov atom is moved to the file header (-movflags +faststart) for progressive playback. If the MKV contains soft subtitles, they are discarded since Android's default player does not render them from MP4 containers.
H.264 at CRF 23 produces visually excellent output for mobile screens where viewers are typically 1-2 feet from a 5-7 inch display. Most people cannot distinguish this from the MKV source at typical mobile viewing distances. The 128 kbps AAC audio is transparent for smartphone speakers and most Bluetooth earbuds. Total file size is typically 50-70% of the original MKV depending on the source codec efficiency.
| Device | MKV | Android Video |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
MKV to Android Video gives you a universally compatible file that plays reliably on every Android device without requiring third-party media players.
Bezpečný přenos
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Ochrana soukromí
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Funguje všude
| No |
8MB free, 50MB Nitro
Jakýkoli prohlížeč, jakékoli zařízení
| Vlastnost | MKV | Android Video |
|---|---|---|
| Celý název | Matroska Video | Android Compatible Video |
| Přípona | .mkv | .mp4 |
| Nejlepší pro | Multiple audio tracks | Android optimized |