[有一種緩解的感覺]什麼是最建議的免費網站，將YouTube轉換為MP3？

I like the music of the videos uploaded on YouTube and want to save them on my phone to listen to them anytime, anywhere, but is there any way to convert the videos to MP3 and listen to them offline?

I am sure you are thinking, "Yes." In this article, we will introduce a free site that can safely convert YouTube videos to MP3. We will also explain the causes and solutions for not being able to convert YouTube videos to MP3 with free sites.

5 Free Sites to Convert and Extract YouTube to MP3

Here are 5 free sites that can convert YouTube videos to MP3. We will also briefly explain the features (merits & demerits) and usage of each site.

First, the features of each site are summarized in the table below.

FLVTO

Free website flvto, which has been in service since 2014 and is gaining popularity abroad, is a great site for any music lover who can easily change and save Youtube videos to mp3.

Its features are divided into advantages and disadvantages.

Advantages of using Flvto

• Slightly faster conversion speed.
• Many output formats; in addition to MP3, you can also convert to MP4 and AVI.
• Enter the URL of a playlist you created on YouTube and a list will be listed and you can download each one, no need to copy the URL one by one.
• It is not only compatible with PCs, but also with smartphones.

Disadvantages of using Flvto

• Some videos cannot be converted.
• There are many fake sites out there.
• There are pop-up ads.
• Output MP3 sound quality cannot be specified.

How to use Flvto

1. Copy the URL on the YouTube video site you want to convert to MP3.
2. Open the FLVTO Converter website, paste the copied URL in the "Paste Link" box and click "Convert" to start the conversion process.
3. Click "Download" to save the MP3 files to your PC.

2conv

2conv is characterized by its simplicity and fast conversion speed.

Advantages of using 2conv

• Conversion speed is usually fast.
• Many output formats; besides MP3, it can also convert to MP4 and AVI.
• There are ads, but they are few and unobtrusive. Intuitive and easy to use.
• It can be used not only for PC but also for smartphones.

Disadvantages of using 2conv

• Some videos cannot be converted.
• There are many fake sites out there. Moreover, many ads are pasted on the fake sites, and you should be careful about the reaction of virus software.
• You cannot specify the output MP3 sound quality.

How to use 2conv

1. Copy the URL of the video you want to convert to MP3 format.
2. Go to the 2conv website and paste what you have copied into the field to enter.
3. Select "MP3" and click "Convert".
4. The page will change and you will enter the conversion start screen.
5. After conversion, click "Download" to save the MP3 format file to your PC.

Dirpy

With no ads and a very simple site that is easy to use, dirpy is highly recommended for those who are not too concerned about the conversion speed. It can convert Youtube videos to mp3 format in high quality, and its greatest feature is the ability to cut out a portion of the video before conversion. However, you can convert videos up to 20 minutes in length for free, but if you want to convert videos longer than that, you will need to purchase a premium subscription.

Advantages of using Dirpy

• Many audio formats supported: mp3, m4a, flac, aac, wav
• Very simple, with no visible ads.
• You can add information such as title, artist, comment, genre, etc. to the conversion.
• You can specify the output sound quality.
• You can set the time to cut out and convert only a part of the video.

Disadvantages of using Dirpy

• Free conversion has a time limit, and you need to become a premium user if you want to convert videos longer than 20 minutes.
• Conversion speed is a little slow.

How to use Dirpy

1. Copy the URL of the video you want to convert to MP3 format.
2. Go to the Dirpy website and paste the URL of the YouTube video you copied into the input field.
3. Click "dirpy!" to enter the screen for selecting audio quality and file format.
4. Select the audio format and quality, then click "Record Audio.
5. The download will begin and the screen will display "The file is now available." is displayed on the screen, the download is complete.

Offliberty

Offliberty is a website that allows you to not only download videos as they are, but also convert YouTube videos to MP3 format for storage. It is easy to use and is one of the most popular

Offliberty is one of the most popular sites.

Advantages of using Offliberty

• Easy to view with no malicious ads.
• There is no time limit on how long videos can be converted, so even long videos can be converted.
• It is compatible not only with PCs but also with smartphones.

Disadvantages of using Offliberty

• Output sound quality cannot be specified.
• Conversion speed is slow.
• There is a possibility of failure when converting long videos.

Offliberty is a safe and easy-to-use site, and is recommended for those who are not particular about sound quality.

How to use Offliberty

1. Copy the URL of the video you want to convert.
2. Open Offliberty's website and paste the URL of the YouTube video into the input form in the center.
3. Click "Off" and the conversion will begin.
4. After a short wait, the input form will say "Right-click here to save the link as..." Right-click and select "Save link as..." to save the file to your PC.

y2mate

y2mate is a free site that has become increasingly popular in recent years. y2mate is a fast site for converting Youtube videos to MP3, although sometimes the site may not open.

Advantages of using y2mate

• Fast conversion speed.
• It can be used not only for PC but also for smartphones and tablets.
• You can specify the output MP3 sound quality. Maximum 320Kbps.
• No registration required.
• Can download from various formats.

Disadvantages of using y2mate

• There are pop-up ads.
• Few video quality options.

How to use y2mate

1. Copy and paste the converted video URL into the blank field of y2mate and click the "Start→" button.
2. On the conversion screen that appears, select the quality of the file you want to download, then click the "Download" button on the right.
3. Click the green button "Download.mp3". You can then convert and download the video from Youtube to Mp3.

2. Free sites may not convert YouTube to Mp3

Although all of the free sites mentioned above are easy to use, sometimes you may not be able to convert YouTube to MP3. There are various reasons for this failure, and we will explain the causes and possible solutions now.

Failure to change due to changes in YouTube specifications

Sites such as YouTube regularly impose download restrictions on certain videos or make technical changes to their specifications to prevent video downloads, often making it impossible to download videos. In this case, you will have to use other free sites or wait for updates to the site you are currently using.

Rejection of your security software

If the security software installed on your device determines that the conversion site you are using is a dangerous site or that the downloaded video is dangerous, you may not be able to download the video. In this case, you have two options. One is to add the URL of the conversion site you are using to the exception site of your security software. Or, close the security software when downloading the YouTube video and reopen it after the download is complete.

Change Failure Due to Browser Issues

Sometimes, video downloads are elicited because your browser version is too old or cookies have accumulated. If this is the case, try updating your browser or deleting cookies to fix the problem.

Also, in some cases, you may not be able to download due to extensions you have added to your browser. Turn off any extensions you have added before downloading.

Problems on the part of the free site operator

Your free site may perform maintenance from time to time. Or they may upgrade their versions and the YouTube to MP3 converter may not be available for a while. In this case, wait for the function to be restored or try another service.

3.[With a sense of relief] The most recommended way to convert and extract YouTube to MP3--KeepStreams Downloader

There are free sites to convert YouTube to MP3, but they often fail to convert due to various reasons. When converting with 2conv, it is nice that there are many output formats, but some videos are not supported. dirpy has no ads and is very simple to use, but the conversion speed is a bit slow. Offliberty has no video time limit and can handle longer videos, but often fails.

Also, sites like YouTube have various restrictions to prevent video downloading, so using a free site is fine temporarily, but what if you can't download the video?

We recommend you to use the most recommended method to convert and extract YouTube to MP3 to eliminate this disadvantage--KeepStreams Downloader.

What is KeepStreams Downloader?

KeepStreams Downloader is a video downloader that supports streaming video services such as Netflix, hulu, H-next, Disney Plus, Prime Video, and HBO Max, and can download movies, shows, TV, anime, YouTube, Facebook, Instagram, Twitter, and many other social media. It is a software that allows you to download digital content from various social networks such as YouTube, Facebook, Instagram, Twitter, etc. to your device.

It uses the latest technology to download videos safely and fast. KeepStreams Downloader also offers a trial period to convert and extract YouTube videos to MP3 without any limitations. Unlike the traditional package deal, KeepStreams Downloader can be downloaded for free directly from the Internet and is ready to use immediately.

KeepStreams Download er

How to use KeepStreams Download er

Step 1) Click "Free Download" on the KeepStreams homepage to download KeepStreams.

Step 2) Click the "YouTube" button on the left side of KeepStreams' main screen, and click the "YouTube" symbol in (2) that appears.

Step 3) You will then be taken directly to YouTube, where you can find the video you wish to download.

Step 4) Click the "Ready to Download" button in the upper left corner of the video's playback page.

Step 5) When the settings screen appears, select the episode, quality, audio, and subtitles you wish to download. The audio can be up to 320 kbps. You can also choose between M4A and MP3 as the file format.

Step 6) After completing the settings, click the "Download Now" button. The download will start. You can see what is being downloaded at the bottom left corner of the screen under "Downloading".

Conclusion

To convert YouTube to MP3, free sites like FLVTO, 2conv, Dirpy, Offliberty, y2mate, etc. are often used. However, due to various reasons, you may not be able to convert YouTube videos to MP3, and KeepStreams downloader is safe and fast, so please consider using KeepStreams as the best alternative to convert YouTube videos to MP3.