App: 4Video MKV MP4 Converter
Developer: 4Videosoft Studio
Genres: Photo & Video, Music

Best free MKV to MP4 AVI MP3 AAC AC3 file converter for Mac.
4Video MKV to MP4 Converter is the best free MKV file converting software for Mac users. It is capable of converting Blu-ray MKV movie to MP4, MOV, M4V and audio (MP3, AAC, M4A and OGG) with no quality loss.

Why Choose 4Video Free MKV to MP4 Converter?
1.	Free convert MKV to MP4 MOV M4V MP3 AAC M4A and OGG.
2.	Support 4K, 1080p HD, 720p HD, and SD 480p, 360p video converting.
3.	Compress MKV files in a smaller size.
4.	Clip and merge video and audio files before converting.
5.	Edit video and audio files (watermark, effect, crop, rotate, mirror) (Pro).
6.	Convert MKV files to devices Smart TV (Panasonic, Samsung), iPad, PS4, PS3, QuickTime, iPhone XS/XR/X/8/7/6/5/4, etc. (Pro).

Key Features of this MKV MP4 converter:
1. Free convert MKV to video and audio
•Convert MKV to MP4, MOV and M4V movies on Mac.
•Transcode MKV to MP3, AAC, M4A and OGG audio files to enjoy with portable players.
•Batch converting MKV files to save your time quickly and without quality loss.
•Convert MKV to MP4 with subtitles and audio tracks.
2. Customize output settings
•Adjust video encoder, frame rate, resolution, aspect ratio and bitrate. 
•Set audio encoder, sample rate, channels and bitrate. 
•Convert 2D to 3D, 3D to 3D MKV. 
•Convert MKV to other formats in the HD codec like XviD, H.265, etc. 
3. Edit video effects
•Cut off any time-length video clips from the source video and audio file.
•Merge two or more video files.
•Watermark, effect, mirror, rotate, crop video.
4. Enhance video quality 
•Remove video noise to get rid of white spot.
•Upscale resolution to HD, 4K.
•Reduce video shaking to stabilize the video file.
•Adjust brightness, contrast, saturation and hue automatically.
5. Convert MKV to devices and players
•This Free MKV to MP4 Converter supports playback on multiple devices and players like iPhone XS/XR/X/8 Plus/8/7 Plus/7/SE/6/6 Plus/5s/5c/5/5/4S, iPad 4/mini 3/Air 2, Apple TV, iPod touch, iTunes, QuickTime, Samsung TV, Apple TV, Panasonic TV, PS 4, PS3, and more.
6. Simple but powerful MKV to MP4 video converter
•Support to batch convert MKV to MP4, saving lots of time
•Take snapshot of the video while previewing
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Supported Output Formats: 
4K UHD HEVC formats
1080p/720p HD video formats: H.264/H.265 MP4, MOV, M4V, FLV, XviD AVI, WMV, etc.
Lossless audio formats: FLAC, M4A, etc.
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Works perfectly with macOS High Sierra and Mojave!
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Need help? Please contact us via https://www.4videosoft.com/app-store/contact.html and you will receive a reply within 24 hours.
If you love this app, do not hesitate to leave a review.

Release notes:
1. Fix some bugs.
2. Improve MKV to MP4 conversion quality.
3. Edit subtitle for MKV files.