Top 5 Applications to Batch Convert MP4 to MP3 Windows/Mac/Online

An MP4 file contains both audio and video, making it larger, which leads to inconveniences in certain situations. However, converting it into MP3 makes it widely compatible with devices and free space, which is ideal for podcasters and musicians. 

The best solution to cater to this problem is to use bulk MP4 to MP3 converters to simplify media management. This article will provide you with the top Windows application to batch convert MP4 to MP3.

Part 1. The Best Bulk MP4 to MP3 Converter – Wondershare UniConverter

Part 2. 4 Other Ways to Batch Convert MP4 to MP3

FAQs about Bulk Converting MP4 to MP3

Conclusion

Part 1. The Best Bulk MP4 to MP3 Converter – Wondershare UniConverter

Part 1. The Best Bulk MP4 to MP3 Converter – Wondershare UniConverter

When looking for a seamless way to turn a large MP4 file into a compressed, accessible MP3 file, you need an efficient tool. In this regard, the ultimate bulk MP4 to MP3 converter is Wondershare UniConverter, which can perform lossless conversion in seconds. Moreover, it can convert audio into 1000 other formats with great accuracy.

With advanced GPU acceleration, users can not only convert but enhance the overall performance of the audio as well. UniConverter batch conversion feature turns MP4 audio files into professionally compressed MP3 files. Users can use the advanced music codec to change the volume and enhance human voice and the music stereo. This conversion tool is an excellent choice for social media creators, DVD users, and more.

Supported OS: Windows, Mac

Key Features About UniConverter Conversion Tool

• Advance Music Settings: UniConverter lets you change other audio settings, like the sample rate bitrate, and set different channels for efficient audio quality.

• Cloud Integration: This conversion tool is integrated with the Cloud, and it automatically saves any type of conversion file. 

• AI Denoiser: In case the audio file contains background noises, like wind, people, and more, enable the denoiser feature after conversion for smooth audio conversion.

• Master Audio Sync: The master audio feature helps you move the track backward and forward in relation to the video track to make it perfectly sync.

Detailed Guide on How to Bulk Convert MP4 to MP3 Using UniConverter

Follow the given steps on how to bulk convert MP4 to MP3 using this excellent conversion tool with efficiency:

Step 1. Install Wondershare UniConverter and Access Converter Feature

After downloading the conversion tool on your device, install and launch it on your screen. From the main window, click the “Converter” feature to get started.

Step 2. Import Multiple MP4 Files For Conversion

On the new “Converter” screen, press anywhere on the “Add or drag files to start conversion” box. Now, select the MP4 files from the dialogue box and import them into this software. Once added, choose the desired “MP3” format from the “Output Format” section.

Step 3. Initiate Bulk Conversion Process

When the MP3 format is selected, hit the “Start All” button at the right corner of the screen. After the conversion process is completed, head to the “Finished” tab and access the converted MP3 audio files.  

Part 2. 4 Other Ways to Batch Convert MP4 to MP3

There are other various, accessible bulk MP4 to MP3 converters that you can utilize to convert MP4 files into MP3 seamlessly. Read through the following list and learn what these tools are capable of:

1. VLC Media Player

This open-source bulk MP4 to MP3 converter supports an array of audio formats and can convert them seamlessly using the fast-conversion speed. Before conversion, users can add various filters to their audio to achieve a smooth audio file. With the audio codec parameters, change the bitrate to different kb/s, set it up to 10 channels, and max the sample rate to 48000 Hz. 

Supported OS: Windows, Linux, macOS, Unix, iOS, and Android

Pros

• There is no spyware or user tracking in this tool, and it keeps your file secure from intruders.
• With no interruption of ads, you can have a smooth conversion process.

Con 

• There are no advanced audio editing or enhancing features.

1. Movavi 

With lightning-speed conversion processing, Movavi is another great tool that can batch convert MP4 to MP3. This tool compresses the MP4 file seamlessly into MP3 without losing quality and ensures smooth playback. Moreover, take advantage of the different MP3 audio downloading KBs from 132 to original bitrate. You can also change the audio adjustment options, like volume, remove noise, and noise level.

Supported OS: Windows and Mac

Pros

• Users can convert a small fragment of the audio file by setting the audio to suitable minutes.
• Compare the changes made after applying other audio editing features.

Con 

• The free trial of audio conversion puts a watermark on the converted audio file.

1. Filestar

Filestar is a master of many skills, one of which is the bulk conversion feature. You can process large quantities of MP4 files, which comes in handy for professors and students on a daily basis. Furthermore, there are variable advanced options for changing VBR, channels, frequency, and more. This bulk MP4 to MP3 converter provides streamlined services to podcasters, musical industries, and more.   

Supported OS: Windows and macOS

Pros

• The processing mechanism is completely safe and secure as it is done locally.
• It has a straightforward and intuitive interface that makes it easy for beginners to navigate.

Con

• Users have to buy their subscription plan before converting audio files.

1. FreeConvert

As an online bulk MP4 to MP3 converter, FreeConvert is an excellent conversion tool with various codecs and advanced options. Users can set the audio rate control to constant or variable bitrate and choose the quality accordingly. Additionally, make your audio stand out by enabling the reverse audio stream option or applying the fade-in and out option.

Supported OS: Web-based.

Pros

• Upload upto 1 GB of MP4 files from computer, Google Drive, Dropbox, and more.
• Creators can set multiple audio trimming times from start to end in an (HH:MM:SS) manner.

Con 

• The conversion speed slows down in case of lengthy conversion files.

1. Convertio 

Convertio is a fast and secure conversion tool that can batch convert MP4 to MP3 free of cost. Moreover, this tool supports over 300+ formats and offers custom settings along with each of them. For example, in MP4 to MP3 conversion, you can change the bitrate to constant or variable, change the channel to mono or stereo, and more.  

Supported OS: Web-based

Pros

• All the conversions take place in the Cloud, which does not take up space on your computer.
• You can download lossless, high-quality MP3 files in the original file format or in a ZIP file.

Con 

• It does not allow more than two conversions with 100MB file size each. 

FAQs about Bulk Converting MP4 to MP3

1. Why would someone need to convert MP4 files to MP3 format?

An MP4 file is larger compared to the MP3 file, which makes the audio-only format more accessible on various devices. Moreover, an MP3 file is more convenient for listening to any type of audio content, like podcasts, lectures, and more without video playback.

2. Are there any quality differences when converting MP4 to MP3?

Yes, when you batch convert MP4 to MP3, the audio compression might reduce the audio quality significantly. However, multiple tools offer different bitrate options ranging from 220 kbps to 85 kbps or low to medium quality. These helps control the audio quality and file size and the higher the bitrates, the better the quality.

3. Can I add metadata to MP3 files during bulk conversion?

There are various online and offline tools that support metadata, such as title, album, and genre, that you can add during or after the conversion process. This information helps you categorize audio files much better, especially when dealing with a large collection.

Conclusion 

To conclude this article, we learned that to extract audio from the MP4 files, you need to convert them into accessible MP3 files. Therefore, we looked at the top 4 bulk MP4 to MP3 converters, which offer advanced audio settings with a seamless conversion process. 

Aside from that, the most recommended conversion tool is still Wondershare UniConverter, which is a Windows application to batch convert MP4 to MP3. It not only converts MP4 to MP3 but also offers audio codecs, where users can control speed, volume, audio sync, and more.