Best Ways to Convert MP4 to MP3 Online: Free & Unlimited

What Is the Best MP4 to MP3 Converter Online?

We are now exposed to countless videos and music every day. Many people want to convert MP4 videos to MP3 audio so that they can be played on various devices more conveniently. At this time, you can convert mp4 to mp3 online for free unlimited. Before that, you'd better understand what is an excellent converter.

An excellent converter should include the following advantages:✎...

Security: It needs to protect the privacy and data security of users.

Simplicity: It provides a user-friendly interface and is easy to operate.

Efficiency: It can provide fast conversion speed to convert videos of various sizes.

No restrictions: Many online converters do not limit the number of conversions and file sizes.

Free & Unlimited: 6 Ways to Convert MP4 to MP3 Online

Here, we have collected 6 of the most popular free and reliable websites. They provide professional conversion services and do not limit the size of the video. Let's take a look!

In addition, if you want to know the most efficient way to transfer computer data to iPhone, you can locate the next part of the article.

Option 1. FreeConverter

FreeConverter is one of the most powerful online mp4 to mp3 online converters. It provides a simple operation interface and supports the conversion of multiple file formats. For example, MP4 video is converted to MP3 audio, and other audio and video formats such as AVI, MOV, WAV, AAC, etc. are also supported.

Pros:

• It is completely free, you can use all functions without registration or login.
• FreeConverter supports batch conversion function.
• All uploaded files will be automatically deleted after conversion to ensure privacy.

Option 2. Convertio.co

Convertio.co supports conversion of more than 300 file formats, including video, audio, documents, images, and so on. You can easily convert MP4 videos to MP3 audio, also allows you convert other audio formats such as WAV, AAC, OGG, etc. It provides cloud storage support so that you can sync files directly from Google Drive and Dropbox.

Pros:

• Convertio does not require registration or login.
• Allows users to perform simple online editing, such as cropping audio, adjusting volume, etc.
• It also has no restrictions on file size and number of conversions.

Option 3. YTmp3

For YouTube fans, YTmp3 is a converter that is familiar to you. It is an online tool that focuses on converting YouTube videos to MP3 audio. You can copy and paste the link of the YouTube video on the website, and convert mp4 to mp3 online for free unlimited.

Pros:

• YTmp3 supports high-quality MP3 output.
• YTmp3 is completely free, there is no registration or login required.
• There are no restrictions on file size and number of conversions.

Option 4.  FLVTO

FLVTO supports converting videos from YouTube and other video platforms to multiple audio formats, such as MP3, WAV, AAC, etc. You only need to enter the video link to start the quick conversion. FLVTO also supports downloading the converted files directly to the local computer, which is convenient for users to manage and play. However, there are many pop-up ads on this website, which may affect the user experience.

Pros:

• FLVTO has a fast conversion speed.
• FLVTO provides high-quality audio conversion results, suitable for users with high requirements for sound quality.
• Users can use this tool on different devices, including PC, Mac, and mobile devices.

Option 5. ToMP3.cc

ToMP3.cc is similar to other online sites, allowing you to directly paste the video link and start converting large mp4 to mp3. ToMP3.cc's ad-free interface makes the user experience smoother without having to worry about annoying ads. For those who need a fast, simple, and free video to audio tool, ToMP3.cc is an ideal choice.

Pros:

• ToMP3.cc supports a variety of audio formats, including MP3, WAV, AAC, etc.
• This platform has a simple interface and is very intuitive to use.
• The conversion speed is fast and it provides high-quality audio output.

Option 6. Online Audio Converter

Online Audio Converter is a comprehensive online audio conversion tool. It provides a wealth of customization options, and users can adjust the bit rate, volume, sampling rate, etc. to meet different audio needs. This platform supports batch conversion, which can greatly improve work efficiency.

Pros:

• It has no restrictions on file size and number of conversions.
• The conversion speed is fast and can be completed within a few minutes.
• All uploaded files will be automatically deleted after conversion.

How to Transfer MP4/MP3 from Computer to iPhone

After you convert mp4 to mp3 fpr free unlimited, if you prefer to transfer multiple files from computer to iPhone, FoneTool is the best choice. It is a professional iPhone transfer tool, which can help you transfer videos, music, pictures, contacts, text messages, ringtones, etc., between PC and iPhone/iPad.

Why you choose FoneTool?
★ Safety and reliable with more 10 years experiences.
★ Quickly transfer speed and user-friendly interface.
★ No size limits of transferring large videos.
★ Share data from PC to iPhone/iPhone to PC/one iPhone to another.
★ Send data from one Apple ID to another without limit.
★ Doesn’t remove the existing files on your iPhone.

Free download and install FoneTool on your computer. Here we list the steps to transfer videos from computer to iPhone.

Step 1. Connect the iPhone to the computer by USB cable > Open FoneTool > Go to Phone Transfer > Locate PC to iPhone > Hit Start Transfer.

Step 2. Tap the folder icon to add the files from your computer > Select videos you want to transfer to iPhone. 

Step 3. After uploading all the videos or songs you need > Click Start Transfer to move data to your iPhone from PC.

By the way, FoneTool provides a ringtone conversion feature. You can transfer MP4/MP3 and other files to M4R file for iPhone ringtones. And then you can make a video your ringtone for iPhone easily!

Conclusion

That’s all about the best way to convert MP4 to MP3 online for free and unlimited. In the above article, we introduce 6 most popular free website converters. You can choose according to your needs. Hope you can successfully get the music you want.

In addition, if you want to transfer the converted music or video files to your phone for your enjoyment, you can use FoneTool, a free and professional iOS data management tool.