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MuCommander, Path Finder, and Leap are probably your best bets out of the 18 options considered. 'Available on Linux, Mac, and Windows' is the primary reason people pick muCommander over the competition. This page is powered by a knowledgeable community that helps you make an informed decision. Go to iTunesPreferencesAdvancedImporting, make sure the 'Import Using' is set to MP3 encoder. From Setting choose 'Custom' and reduce the stereo bit rate to something lower than you are currently using then convert the song you want to make smaller.

by Brian Fisher • Feb 25,2020 • Proven solutions

For music enthusiasts storage space is always a struggling issue, as there is never ending files to be kept. File compression is one of the most straightforward solutions to the problem as it allows you to create more space on your device by reducing the file size. So do not delete your favorite MP3 files when you can reduce MP3 file size. A roundup of the best MP3 compressor tools is given below.

Part 1. Best MP3 Compressor to Shrink MP3 Files

To compress MP3 audio files in best quality output, we recommend UniConverter. This professional program allows compressing your MP3 as well as other popular audio formats in excellent quality output files. The compression of the file takes place by altering the parameters like channel, bit rate, sample rate, quality, and others. The program also facilitates the conversion of MP3 files to other audio formats as needed. The entire process of compression completes in just a few simple steps and is fast.

Get the Best MP3 Compressor:

• Allows compressing MP3 and other audio files in high quality, including WAV, AAC, OGG and more
• Shrink MP3 file size by changing its bit rate, sample rate, quality, encoder, channel, and other parameters
• Facilitates batch processing by adding multiple files at a time
• Super fast compression speed
• Compressed files can be transferred to an array of devices like iPhone, Android, and others
• Facilitates downloading YouTube videos to MP3 format
• Powerful Toolbox: GIF maker, video downloader, video recorder, DVD/CD burner, VR converter, etc.
• Support to Windows and Mac system

Guide to compress MP3 files using UniConverter

Before getting started, you can watch the video below to get a quick look over how to compress MP3 audio files.

Step 1: Run iSkysoft MP3 compressor and add MP3 files

Open UniConverteron your PC and to add local MP3 files click on +Add Files from the Convert tab. You can even drag and drop the files.

Step 2. Choose target format and adjust settings for smaller size

Open the drop-down menu beside Convert all files to: option and from the Audio tab, choose MP3 or other target formats as desired. Select Low-Quality option to reduce the file size.

To further adjust the file parameter settings, click the edit icon or hit on the +Create Custom button that will open a new Settings window. From here change the channel, bit rate, encoder, and sample rate of the file. Click on Create button to confirm the changes.

Step 3. Compress MP3 file

You can see the change in the file size from the Source menu and the Target menu. Finally, click on Convert All button to start converting and compressing your added MP3 files. The processed files get saved at the location mentioned on Output tab. The files can also be managed from the Converted tab on the software interface.

Part 2. How to Compress MP3 with Audacity

Audacity is free and open source application software that facilitates editing of digital audio files including file compression. The program is compatible with Windows, Mac, and Unix like systems. The application once installed allows you to record, export, and import the audio files in an array of formats. Audio file editing can be done using features like cut, copy, paste, and others. Video compression using Audacity can be done by using the encoding and sampling options along with the change in file parameters.

Step 1. Download, install and open Audacity app on your PC. Open the desired MP3 file in the app that you wish to compress.

Step 2. Move to File > Export option

Step 3.Hit on the Options menu and then choose the Bit Rate Mode. Next, choose from the preset available for variable and average constant.

Step 4.Finally, hit on the Save button and then OK to complete the compression process.

Audacity and UniConverter both support MP3 file compression but with a different set of features. The table below compares both the program on various parameters that can be used to make a choice depending on your requirements.

Part 3. Compress MP3 online, free

#1. MP3Smaller

Using this online MP3 converterprogram you can reduce mp3 file size online, free in decent quality. The local files from your PC can be added to the program for the process. 150MB is the maximum file size that can be added to the program for compression. You can choose the size of the file in terms of bitrate so as to reduce the file size accordingly. The processed files can be downloaded from the program interface. To maintain the security, uploaded files are deleted after a time.

Disadvantages of using online tools

Simplicity and no software installation are the benefits associated with online programs. On the flip side, there are a number of disadvantages as well.

• Supports limited file formats for compression as compared to professional tools
• Dependent on internet connectivity
• Limited options to edit file parameters for compression
• Restriction to the file size and number of files that can be added for the process
• Limited additional features

#2. YouCompress

This online app for MP3 compression is simple and fast to use and process your files straight from your browser window. Using the program you just need to add the MP3 files from your PC and they are then compressed using the best settings. Once the MP3 files are reduced in size, you can download the same on your PC from the interface. There is no restriction to the number of files that can be compressed using the software. The sound compressor is safe to use and has no watermark on the files.

#3. Online Converter

Using this online converter you can make MP3 smaller on your PC as well as from online sources using their URL. Maximum supported file size for the process if 200MB. Once the file is added to the interface, you need to choose the quality of the output file from the given options so as to compress the file. Once the file is uploaded and processed, you can download the same form the app interface. There are also options to share the processed files to an array of social networking platforms like Facebook, Twitter, Google+ and others. You can even send the compressed file to your phone and download it there using this music compressor.

Part 4. How does MP3 Compression Work?

For any type of file compression, the compression algorithm is used. When it comes to music or sound, perceptual noise shaping is the technique. The technique is called perceptual as MP3 file features the characteristics of the ear in order to formulate the algorithm.

There are a number of sounds that human ear cannot hear, hear it in a better manner and hear the louder one as compared to the software one. Considering all these factors, it can be said that there are a number of MP3 file parts that can be removed without affecting the quality of the file and these are used for MP3 compression. The lossy format of the MP3 file is created after the compression process for the size reduction.

by Christine Smith • 2020-11-30 21:43:33 • Proven solutions

MP3 (MPEG-1 Audio Layer-3) is a convenient, versatile, and popular way of storing music and other audio files. One of the main advantages lies in its comparatively small file size that saves storage space and bandwidth while sharing data. There are times, however, when you need to convert MP3 files into other audio formats such as WAV, AAC, FLAC, or OGG on your Mac due to compatibility issues with media players and devices. If you are looking for some good MP3 converters for Mac, you are in the right place. The sections in this piece not only inform you about some of the most robust and efficient audio converters, but they also give you a fair idea about the drawbacks those apps may have. This would help you decide which program to pick to fulfill all your conversion-related needs, and which among them is not suitable due to some missing ingredients or features that you feel are essential for your work-specific tasks.

Part 1. Best MP3 Converter for Mac

Wondershare UniConverter tops this list as the best MP3 Converter for Mac available today. It quickly and efficiently converts MP3 to numerous file formats for Windows, Apple devices, Blackberry, Zune, Android, video game consoles, YouTube to MP3 converter Mac and many more. Its main attractions are its quick conversion speeds and high-quality output while being economical on system resources. It also features an intuitive interface that is easy to use and allows for batch MP3 conversion as well.

Wondershare UniConverter - Best MP3 Converter for Mac/Windows

• Supports the most popular video and audio formats, including MP3, MOV, WMV, and device-specific formats.
• Convert to optimized preset for almost all of the devices.
• 30X faster conversion speed than any conventional converters.
• Edit, enhance & personalize your video files.
• Burn and customize your video to DVD with free DVD menu templates.
• Download or record videos from 10,000+ video sharing sites.
• Versatile toolbox combines with video metadata fix, GIF maker, video compressor, and screen recorder.
• Supported OS: macOS 11 Big Sur, 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6, Windows 10/8/7/XP/Vista.

How to Convert Video to MP3 on Mac

Now let's have a quick overview of how Wondershare MP3 converter functions on Mac within three simple steps. Before getting started, install the video to MP3 Converter and

Step 1 Add Target Video into the best MP3 Converter.

Launch Wondershare MP3 converter, click the to import your target video to the program. You can also add your favorite YouTube video for MP3 extraction as long as you download YouTube videos on your Mac beforehand.

Step 2 Select Output Format.

Click the Output Format: and you'll get a full list of output formats, which consists of Recently, Video, Audio, Device and Editing. If you want to convert video to MP3, just go to Audio > MP3 and select a resolution in the right. The same goes for other video or audio formats.

Step 3 Start MP3 Conversion.

Once you're satisfied with the output format, just hit on the Start All buttons in the right bottom corner to start converting video to MP3 or vice verse.

Pros:

• Apart from MP3, Wondershare provides support for over 1000 video and audio formats to which you can convert your media files easily.
• A ton of customization tools is not found in most of the other products on this list.
• Super fast conversion.
• High-quality output.

Cons:

• While Wondershare Converter is easy to use, it may take some time to discover all of its features and use them to their maximum potential.

Conclusion: Mac and Windows users alike will enjoy using this all-purpose software to prepare MP3 files for instant playback on any device easily. Simply select the desired audio format or device from the extensive list of supported options, and your MP3 file will be ready in no time.

Availability: Paid or free trial version

Part 2. Other 7 Top MP3 Converters for Mac

1. Handbrake

Handbrake is an open-source video to MP3 converter for Mac that supports a wide range of formats. Apart from Mac, it is also available for Windows and Linux.

Features: Handbrake comes with a decent amount of features that allow for the conversion of MP3 audio files. It works with the most common audio files and formats and leverages tools such as Libav, x264, and x265. Handbrake is the right choice if you're looking to convert YouTube to MP3 Mac free.

Pros:

● It is open-source and widely available for free download.

● It gives users advanced control with customization settings.

Cons:

● The main disadvantage of using Handbrake is its intimidating interface that is difficult to navigate, especially for first-time users.

Conclusion: Other converters featured in this article have user-friendly interfaces, but the same cannot be said of Handbrake. The program is robust but utilitarian and will take some getting used to.

Availability: Free

2. FFmpeg

FFmpeg is a cross-platform solution to convert audio and video. It's the odd one out in this list as it lacks a graphical user interface. Users are forced to input instructions from the command line/terminal. FFmpeg is a truly free MP3 converter for Mac.

Features: FFmpeg can convert your MP3 files to and from most audio formats. It uses the free FFmpeg encoder and supports many audio and video formats, including MKV, AVI, WAV, MPEG4, ASF, Quicktime, WMV, M4A, MOV and more. FFmpeg also supports batch conversion.

Pros:

● It supports a wide range of codecs and filters.

● It supports most audio/video formats.

Cons:

● Difficult to use for beginners.

● Its official documentation is not clear and can be quite confusing.

Conclusion: While a powerful tool, FFmpeg's lack of a graphical interface makes it unsuitable for the average user. It is not recommended for anyone interested in learning how to convert YouTube video to MP3 on Mac.

Availability: Free

3. Movavi Video Converter

Movavi is a good YouTube to MP3 converter for Mac that will help you to convert your MP3 files to a wide range of formats. It is available for both Windows and Mac.

Features: Movavi Video Converter supports MP3 format well and is quite user friendly. Its user interface has improved in usability and navigation and can convert most of the common video and audio file types. This video converter also comes with predefined settings for various media players such as Windows Media Player and iTunes.

Pros

● Easy to use user interface

● It supports a wide range of audio and video formats

● It allows users to convert YouTube to MP3 Mac

Mp3 File Size Reducer Software For Mac Os X El Capitan

Cons

● Poor support

● Limited period trial version

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Conclusion: While a good choice if you're searching for a YouTube MP3 converter Mac, its trial version isn't free. Some users have complaints against its asking for payment, even in trial versions.

Availability: Paid or free trial version

4. Leawo Video Converter

Leawo Video Converter is a multifunctional converter that allows Mac users to convert MP3 files to most audio formats. Popular among users searching for free YouTube to MP3 converter for Mac. It is available for both Windows and Mac.

Features: This YouTube MP3 converter for Mac is compatible with most audio and video formats. One of the best things about Leawo Video Converter is its ability to convert media files in any combination. For example, you can convert MKV to MP3, MOV to 3GP, etc. It also allows you to optimize videos for playback on specific devices, including media players, iPads, iPods, gaming consoles, etc.

Pros:

● Easy to use interface.

● It allows users to customize conversion settings.

Cons:

Mp3 File Size Reducer Software For Mac Os X 10 13 Download

● It lacks many out-of-the-box tools and features found in other converters on this list.

● It asks that you buy additional features.

● Slow conversion speeds.

Conclusion: Leawo is a capable converter that produces good quality results. However, it comes with a limited feature set and requires that you buy extra features such as disc burning and online video downloading tools as separate modules. Unless you have hours to spare while waiting for Leawo to convert video to MP3 on Mac, we recommend you use a different program.

Availability: Paid or free trial version

5. Xilisoft Audio Converter

Available for both Mac and Windows platforms, Xilisoft Audio Converter holds a renowned place in the market.

Features: Xilisoft Audio Converter can accept audio and video files, and convert them to formats like AAC, AC3, AU, FLAC, MP3, OCG, etc. It is even capable enough to produce lossless output post-conversion.

Pros:

● It can export output files directly to the target devices.

Cons:

● It offers a limited number of output formats.

Conclusion: Even though the basic version can convert audio files, Xilisoft Audio Converter allows you to access many advanced features only in its Pro variant.

Availability: Paid or free trial version

6. Aiseesoft Audio Converter

Audio Converter by Aiseesoft is an efficient tool for Mac and Windows computers and is available for trial, so you can check its features before investing your funds in.

Features: In addition to being an efficient MP3 converter for Mac, the tool can also extract audio from video files, trim the video and audio clips before conversion, and even lets you choose your output preferences.

Pros:

● It supports almost all major formats for conversion.

● It supports batch conversions.

Cons:

● It comes with a price tag.

Conclusion: The tool is, of course, efficient and robust, but the interface lacks many options that are usually available in other similar programs.

Availability: Paid or free trial version

Mp3 File Size Reducer Software For Mac Os X 10 10 5

7. Switch Audio File Converter

Developed by one of the renowned vendors, NCH Software, Switch Audio Converter comes for Windows, macOS, and Android platforms. For PCs, it can run on a 64-bit operating system, thus giving you comparatively better performance.

Features: The tool is capable of extracting audio from video files and DVD, can obtain song details from the online database, allows batch conversion, can be used as a CLI plugin for automated conversions, and much more.

Pros:

● It offers fast conversion.

● It performs automatic normalization.

Cons:

● Advanced features are available only in the Pro version of the app.

Conclusion: Even though the app is pretty robust and extremely efficient if you are new to computers or conversions, all the options the interface and the boxes are populated with may scare you. However, with regular use, you will get familiar with the tool and will learn to use it seamlessly.

Availability: Paid or free trial version

Conclusion

Converting audio files is not as complicated as it may sound to some people. In fact, the process is extremely simple if you have a decent MP3 converter for Mac that is efficient enough to get the task done quickly and without errors. Thankfully Wondershare UniConverter is available for both Mac and Windows platforms with an almost identical interface that helps you locate and access the features, options, and windows without any separate training or learning resources for the two variants.