Free Audio Compression Software For Mac

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by Brian Fisher • Feb 25,2020 • Proven solutions

You may have seen something about audio or AAC audio formats being 'compressed'. That's talking about making the file size smaller so it can be more easily used on the web. The audio compression is not the same thing as 'data compression', which could be achieved by using WinZip or WinRAR compressing software. For audio compression, different codec (the method to store audio information) has different compression ratio. Also different audio settings will affect the file size to some extent, for example, the bit rate, sample rate, channels, etc.

Best Software to Compress Audio Files

Express Zip Free for Mac File Compression Software is an archiving and compression tool to easily create, edit, manage and extract zipped files and folders. Compress files to reduce size for email transmission or archive data using less disk space when backing up information. Free Inter-application Audio Routing Utility for Mac OS X. Soundflower is a Mac OS X system extension that allows applications to pass audio to other applications. Soundflower is easy to use, it simply presents itself as an audio device, allowing any audio application to send and receive audio with no other support needed. The good news is that there is no shortage of unique, well-designed, Mac free plugins available for download this very instant. The only downside to this renaissance of digital audio software is that there’s simply too much to comb through all by yourself.

IMovie is a popular built-in tool on Mac that you can use not just for video compression but for video editing in general. This software makes the process of compressing a video free and easy. To shrink a video using iMovie, follow the steps below. Open the iMovie app on Mac. The best file compression software will make it easy to compress files for easy storage, while also being able to work with multiple compression file types. Best file compression software 1.

Here we will show you both ways to compress audio on Mac and Windows. The only tool you need is UniConverter, which is not only a video converter, but also audio converter and audio compressor. Mac and Windows versions are both provided.

Get the Best Audio Compressor - UniConverter


  • Compress audio files by adjusting the resolution, bit rate, frame rate and more patermeters.
  • Support almost audio formats, such as MP3, WAV, WMA, AC3, AAC, M4A, OGG, etc.
  • Extract audio from video files.
  • Convert audio/video files to various formats as you need.
  • Download videos from YouTube, Facebook, Vimeo, Vevo, Hulu, Metacafe and more online sites.
  • Allow you to burn videos to DVD if you want.
  • Fully compatible with macOS 10.12 Sierra, Windows 10/8/7/XP/Vista.
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Free Audio Compression Software For Mac

1. Video Tutorial on How to Compress Audio File

First of all, you can watch the video below to get a quick look over how to compress audio files, then follow the detailed steps to resize your audio right away.

2. Step-by-step Guide to Compress Audio Files on Mac

AppsFree audio editor for mac

Step 1. Add audio files to audio compressor

Audio Capture Software For Mac

Free audio compression software for mac os

Open UniConverter for Mac when it has been installed in your computer. To import audio, just drag and drop it to the program. Alternatively, you can go to 'File' > 'Load Media Files' to achieve that.

Step 2. Choose different compression methods

Method 1: Choose a codec with higher audio compression ratio. This method is very effective, but will decrease audio quality apparently. In most case, MP3 is a decent audio format to store compressed audio data with good quality and small file size.

Method 2: Vary audio settings: If you want to keep the original audio format, you can change the audio settings after choose an output format from the list. Generally, the lower the bit rate is set, the smaller the file size will be. For example, an audio file with 128 kbps bit rate can save nearly 1 MB per 5 MB without any major decrease in quality after changing the bit rate to around 90 kbps.

So, depending on your demands, you can either select MP3 or other format, as well as change audio settings or not.

Free Audio Compression Software For Mac Download

Step 3. Start to compress audio files on Mac

The final thing is to click the 'Convert' button to start compressing audio on Mac. You'll get the compressed audio after a while.

Free Audio Recording Software Mac

So now you know what compression is. Cool, huh? If you want to experiment with recording and producing audio, there are lots of tutorials out there on the web. Of course I think you'll like the ones at our Audio Solution section. But I may be biased. Either way, go forth and either impress your friends, make the world safe for better audio, or both! By the way, if you want to compress MP3 files, compress WAV audio files or even compress MP4 videos, just check these pages to get details.

Tips for Using Audio Compression

Video Compression Software For Mac

Audio compress is use everywhere, but there are loss audio compress and lossless audio compress. The former includes Free Lossless Audio Codec (FLAC), Apple Lossless, Dolby TrueHD, RealPlayer Lossless, WMA Lossless, etc., while the latter includes MP3, AAC, WMA, Dolby AC-3, Ogg Vorbis, etc. Lossless compression ratios are around 50-60% of original size, while lossy compression typically creates files of 5 to 20% of the size of the uncompressed original. The ratio will determine how much level your audio is compressed.