Best 8 You-Tube Audio Downloader Online in 2025 (FREE!)

1. Download4.cc

If you want to convert videos from YouTube and multiple other sites with only one click, Download4.cc is the best tool to go for. You can avail high output quality as well. Besides videos, it also offers various audio formats and quality so you can get what's required for you. Even downloading thumbnails and subtitles in the desired format is not a hassle.

Here are the quick steps to download YouTube audio online using download4.cc:

• 1

  Open the website with the given link and keep the YouTube video URL copied on the clipboard. Paste the copied URL in the input bar.

• 2

  Next, click "Paste URL Now" to access various audio and video formats.

• 3

  Scroll down to the "Audio" section and hit "Download" in front of the desired format!

2. Kapwing

Kapwing is a full-fledged studio that not only converts your YouTube video to MP3 audio but also edits it at an advanced level. It lets you choose the output format, resolution, quality, and file size effortlessly. You can also clean the audio or use the smart cut feature to personalize your target file. Even it is possible to play the audio file before export.

Let's learn how to download a YouTube video online with Kapwing:

• 1

  Open the online tool on your website and click "Start Converting."

• 2

  Insert YouTube video URL in the section under "Click to Upload." It will browse and automatically adds up to the media section.

• 3

  Next, press "Export Project," choose "MP3," and hit "Export as MP3." That's all!

3. DDownr

DDownr helps you download YouTube playlists and videos for free. You can also convert UHD videos to MP4 or MP3 effortlessly. It supports MP3, M4A, MP4, and WebM formats for conversion. Also, you can choose the output file up to 8K resolution. Even copying the link to embed on multiple sites or sharing on social media is not a challenging task to do.

Here are the quick steps to download a YouTube video via DDownr:

• 1

  Open the website and put copied URL in the source section.

• 2

  Expand the "Download" drop-down menu and select the desired audio format.

• 3

  It will automatically start processing, and press the "Download" tab or "Copy Link," whatever you prefer.

4. U2Convert

If you are looking for a clean and straightforward interface, U2Convert must be your way. It helps you in converting YouTube videos to audio files quickly. One more thing, you can choose the bitrate and resolution as desired. It offers a video preview of the copied URL and its details like title, duration, and views. Plus, you are allowed to share the link on social sites.

Let's use U2Convert as YouTube Video Downloader Online:

• 1

  Once you have opened the tool, enter the YouTube link in the "Paste URL" section.

• 2

  It will start converting automatically and shows you the video details and audio & video formats.

• 3

  Scroll down and tap "Download" in front of your desired audio quality. You are all done!

5. MP3Juice

Do you want to convert your YouTube videos into the audio format by searching keywords? If yes, MP3Juice proves to be an efficient online tool. Since it is compatible with several social platforms & devices, you can download YouTube audio files from TikTok, Vimeo, Dailymotion, Twitter, Facebook, etc. Even it enables you to save high-quality audio tracks at an optimal speed.

Here is how to use the MP3Juice tool as YouTube Audio Downloader:

• 1

  Open the website on your browser and paste the copied YouTube link in the source field.

• 2

  Once you press the "Download" icon, the video will appear below. Click "Download" on the video to get all the formats.

• 3

  From the available audio formats, click "Download" for the required quality, and that's all!

6. OKmusi Link to MP3 Converter

OKmusi lets you download YouTube audio by either pasting a URL or using keywords by artists, albums, lyrics, and song names. With the support of a wide range of audio and video formats, it lets you download YouTube audio tracks from almost 250+ sites. Plus, you are able to run it on any device and browser. Even the conversion is easy and safe to perform.

Let's follow a brief tutorial on how to download YouTube audio:

• 1

  Go to the tool website and paste a copied URL to the source.

• 2

  Press the "Download" tab to confirm the video, and click "Download" again.

• 3

  Finally, you need to choose the audio format & resolution and click hit the "Download" button again.

7. Video Grabber

Video Grabber is a comprehensive YouTube HD video downloader. It helps you grab videos from hot online sites like YouTube, Twitch, and more. Not only is it 100% secure and trusted to use, but it also provides you with high download speed. Along with that, you can enjoy your favorite videos offline, except ones with copyright protection. Its unique function is its integration with the screen recording function.

Here is using Video Grabber as YouTube Audio Downloader Online:

• 1

  Once you have opened the website in your browser, paste the copied YouTube link in the input section.

• 2

  Press the big blue "Download" button to the next window.

• 3

  The last step is hitting "Download File," and you are all done!

8. Loader.to

Are you looking for a simple yet advanced YouTube Audio Downloader Online? If yes, Loader.to proves to be an efficient tool with various file formats. It aids you in downloading and converting the complete playlist of up to 20 YouTube videos effortlessly and quickly. Offering a bitrate of a minimum of 350kb/second, it never compromises the audio quality.

Let's know the tutorial to use Loader.to as YouTube Audio Downloader Online:

• 1

  Copy the YouTube video link on the clipboard and put it in the URL bar.

• 2

  The second step is to choose the audio format from the available ones.

• 3

  Next, click "Download," wait for conversion, and hit "Download" again.

Extra Tips: Most Powerful YouTube Audio Converter in 2025

Offline converters are always preferred over online because of their high efficiency, and HitPaw Video Converter stands out as the most comprehensive software of all. It helps you convert YouTube videos to audio or video format by just pasting the URL of your desired file. You can't only perform conversion at 90X speed but also never compromises the output quality.

One more thing, the batch mode helps you download multiple tracks or a complete YouTube playlist at a time. Plus, changing a file's audio or video format is more feasible than ever. Even you can adjust the quality, resolution, and audio file aspects like bitrate, channel, encoder, and others. Lastly, it is possible to personalize your files with the playback speed, cut, and merge functions.

Here is a detailed tutorial on how to use HitPaw Video Converter as YouTube Audio Downloader:

Step 01 Download and install the software version according to your device compatibility. Now, head to the "Download" and "Downloading" sections. Now, you need to click "Paste" URL" to open the pop-up window and enable the ultrafast download.

Step 02 Secondly, copy the URL of the required YouTube video and paste it into the already opened small window. Now, press the "Analysis" button to proceed further.

Step 03 The third and last step is to wait for a little and choose "MP3" as the audio format. Hit the "Download" tab, and you can access the converted or destination folder once done!

Conclusion

Converting or downloading YouTube videos to the desired format is an effortless task if you use any of the tools recommended above. But you must choose the one that lets you finish the task quickly and never affects the target file quality. Besides opting for the desired tool, it is possible to try HitPaw Video Converter if your preference is the best audio quality.

Though offline, you can easily convert YouTube videos directly to MP3 at high speed compared to online tools. Plus, it offers a wide range of editing features!