App: 4Video MP4 MP3 Converter
Developer: 4Videosoft Studio
Genres: Photo & Video, Utilities

Easy-to-use MP4 MP3 converter to convert video and audio file!

MP4 MP3 Converter is a free video and audio converter to help you convert MOV to MP4, convert AVI to MP4, convert MXF/WMV/FLV to MP4, and change other video formats like MPEG, TS, MTS, M2TS, etc. to MP4 with high quality and fast speed. 
Surely, this free MP4 MP3 converter can also extract MP3 audio track from video. It can free convert MP4 to MP3, convert MOV/AVI/MKV to MP3, convert MP3 to FLAC, AAC or other audio formats. 

Key Features of MP4 MP3 Converter:

1. Convert MOV/AVI/MKV/FLV to MP4
•Convert any popular video format like MXF, MPEG, AVI, TS, MTS, M2TS, WMV, FLV, MOV to MP4 with high image and sound quality
•The MP4 video conversion will complete in very short time without any quality loss.

2. Edit video and customize video effects
•Adjust video encoder, frame rate, resolution, aspect ratio and bitrate, as well as audio encoder, sample rate, channels and bitrate. 
•Cut off any time-length video clips and merge two or more video files.
•Add text or image watermark to the output video file.
•Adjust output sound/image effects and enhance video quality.

3. Support any popular video and audio format
•This free video and audio converter enables you to import any frequently-used format to it, such as MP4, MOV, AVI, FLV, MKV, MP3, AAC, M4A, FLAC and more.
•Converted video and audio files are compatible with multiple devices and players like iPhone X/8 Plus/8/7 Plus/7/6s/6s Plus/SE/6 Plus/6/5s/5c/5/4S, iPad Pro/4/mini 4/Air 2, Apple TV, iPod touch 6/5, iTunes, QuickTime Player, and many more.

4. Simple but powerful video converter
•Support batch video/audio conversion, improve MP4 converting efficiency.
•Take snapshot at any specific moment while previewing.
•Support macOS High Sierra and any popular Mac OS.

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Need help? Please contact us via http://www.4videosoft.com/app-store/contact.html and you will receive a reply within 24 hours.

Release notes:
Faster MOV to MP4 converting speed.
Add more output video and audio formats.