Download for Free. Download for Free. Step 2. Add your MP3 files. Locate the MP3 files you want to convert and drag-and-drop them into the program’s window. The application can convert big batches of files – there’s no limit to how many files you can transfer at once. Step 3. Select MP4 as the output format. Here are some of the best MP4 to MP3 apps for Android devices. 1. Video to MP3 Converter. Price: Free. Extracting audio from video is just one out of many functionalities this app offers. Video to MP3 Converter features both Simple and Advanced MP3 conversion modes so that you can have complete control over the audio extraction process. You will need to extract Audio from Mp4 Videos using Android FFmpeg Library: ffmpeg -i my_video.mp4 -ab 128k -ac 2 -ar 44100 -vn my_audio.mp3 Here is link to the library that does this: Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the CloudConvert API . >MP4 to GIF Converter - CloudConvert is a free & fast online file conversion service. This converter app & compressor supports converting, compressing, changing resolution, Frame rate (FPS), bitrates of a video files. It can also convert app video files into Audio formats like MP3, AAC, AC3, OGG, M4A, WAV etc. Transform your videos into beautiful MP3 soundtracks with Video to MP3 Converter (MP4 to MP3) Today. Use FlexClip's video to audio tool to convert MP4 to MP3 online in seconds. 100% free to use. Try it now. Audio Cutter. Support unlimitted audio formats list MP3, AAC, OGG, OPUS, etc. Very fast and more accurate. No duration limit. Save the audio file as Music, Alarm, Notification or Ringtone. Share and play the audio clip. You can set the audio clip as default notification for your device. You can set the audio clip as default tone for the A beautiful, simple way to convert almost any video to MP4, WebM (vp8), Ogg Theora, or for Android, iPhone, and iPad. Batch conversion, custom sizing, and more! 100% Free and open-source. Download Download Download. Mac Version 3.0 - Linux Source or Download for Windows - KJd3.