5 Best Online YouTube Downloader – Download HD Video Online

When it comes to downloading YouTube HD & UHD videos like 720P, 1080P, 4K & 8K, usually there are two ways for you. One is to install a desktop software, just like Gihosoft TubeGet or you can refer to the article I wrote before: 5 Best Free YouTube Downloader. The other way is to utilize a free online HD video downloader site, then you can download YouTube videos online without taking any extra computer space, which is the topic I want to write in this article. Now come with me to get a quick overview of these 5 best YouTube downloader online.

1. ClipConverter.CC

ClipConverter.CC is a powerful online video downloader, users can use it to download videos from YouTube and other 10,000+ hot websites, and the resolution can up to 4K. Besides, it has a built-in converter which allows users to convert videos to different formats. Moreover, this conversion function also provides users an opportunity to extract audios directly from videos, the audio formats include MP3, M4A and AAC. All these great functions make ClipConverter.CC stand out in online YouTube downloaders. That’s not all, Clip Converter also develops an Addon for  Firefox, Chrome & Safari. This Addon will allow you to add a button on YouTube pages, then you will convert and download your favorite videos directly.

Best online YouTube Downloader


  1. Support all kinds of SD and HD video resolutions, including 4K& 8K
  2. Built-in converter directly extractsvideos to audios in formats vary from MP3, M4A to AAC


  1. When you want to convert videos, it will change the original format to your desired format at first, then starts to download, which may cost you some time

2. KeepVid

KeepVid is a professional and simple free online YouTube downloader for mp3 and videos, you can use it to download YouTube HD videos free online with a few clicks. You just need to copy the URL of the video from YouTube or other sites, paste it in the downloading box and click “Download”, then the downloading information will appear. KeepVid offers 3 choices for you to download: Full Video, Video Only and Audio Only, you need to choose one of them and select the resolution, then right click the mouse and choose “Save link as”, now the video starts to download.

save hd video online


  1. Intuitive interface with simple operations.
  2. Users can choose to download full video, video only or audio only.


  1. Free version has ads and function is limited.
  2. Max resolution is only 720P, while most downloaders can support 4K even 8K.

3. Video Grabber

Video Grabber is an all-in-one YouTube online HD video downloader, a web-based YouTube downloader. You can search and find videos through it directly even without heading to the YouTube. Apart from downloading, it also offers a function of converting videos you download from YouTube to the formats you like. If you think these are all the functions Video Grabber has, then you are totally wrong. It’s also integrated with a screen recording function, which will spare you much trouble of installing another screen capture product. What a great application I have to say.

online hd video downloader


  1. An all-in-one video downloader allows users to search, find, download and convert videos.
  2. Support downloading videos of 1080P and 4K resolution.


  1. Before you use every function you need to download a plugin.

4. SaveFrom.net

The first time you use SaveFrom.net, you have to download a file named SFHlper which allows you to add an extension of chrome, only in this way can you download videos freely. Another bad impression of this application is the ads, just leave it alone. As for downloading, the most impressive function of this product is that it provides an easier & innovative way to download videos – adding letters. You can add “savefrom.net/” or “sfrom.net/” before the URL of the video, or use short domain names like ”ssyoutube.com” to replace “youtube.com”, then you can directly download the video without other superfluous operations.

4k downloader online


  1. Provide an easier way to download videos


  1. Full of annoying ads
  2. Many resolutions only support downloading video without audio

5. Catchvideo

Are you still looking for a simple and solid online YouTube video downloader website that can download YouTube video as MP4 or MP3 online? Then you just can’t ignore Catchvideo, as it’s one of the best online YouTube downloader available that provides robust downloading capabilities. This HD video downloader online comes with an intuitive interface, you can save the video file in available qualities without a glitch. Once you acquire the URL of the original video, choose your ideal video format, then it will download as soon as you click the download button.

Best Free YouTube Downloader Online


  1. Support downloading videos in full video, video only, audio only modes, with a mp3 conversion function.
  2. Come with a list of popular videos for users to watch and download directly.


  1. Can’t support 1080P or ultra HD resolution.

Steps to Download YouTube HD Videos Online

Compared with desktop video downloader, online video downloader has many advantages. Now that you’ve seen the top 5 online HD video downloader, It’s time for me to walk you through the step-by-step usage. Here I will reveal the approach with Clip Converter.

How to Download YouTube Videos Online

  1. Head to YouTube and find the source video you’d like to download, then copy the link on the address line.
  2. Open Clip Converter, now you will see a box, just paste the link of step 1 into it. After the parsing process, now you comes to the video resolution interface.
  3. Select your ideal download resolution and format. If you want to download the video as music, then choose MP3. For better video quality, you need to select 720P/1080P HD or 4K/8K UHD if possible, and then click the Download button.

download hd video online

Final Words

These are all the online YouTube downloader sites picked up for you, any of them is professional and easy to save YouTube videos online without installing any desktop software. As every coin has two sides, each site has its pros and cons, hope this article can help you making a good decision.