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: 15 Best YouTube Video 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 12 best YouTube downloader online.

• Best Free Youtube Downloader For Mac
• Free Online Youtube Video Converter For Mac

1. Youtube converter online, free download - Online YouTube to MP3 Converter, Free YouTube Converter, MediaHuman YouTube to MP3 Converter, and many more programs. Best Video Software for the Mac.
2. The Top-Rated Video Downloader. Are you looking for Windows software which allows you to download and convert videos from YouTube to MP3, MP4 or many other formats?
3. Nowadays, there're numerous ways to download YouTube videos online for your choice. You can go with a free online converter, although it's usually time-consuming and suffered from poor quality, or buy a relible YouTube to MP4 converter for Mac, which provides bonus features and online technical support.
4. Using a web browser as a YouTube video to MP3 on Mac converter can be a more advanced and drawn out process compared to using All2MP3 for Mac or the online tool above, but we’ve listed it here as an option for those people who would rather go this route.

Part 1: Top 12 Online HD YouTube Video Downloader that Work

TelechargerUneVideo is a free media converter and notably a youtube mp4 and mp3 converter. You can convert and save a video or a music to various standard formats such as MP4 or MP3. Watch your favorite videos on your PC, Mac, mobile phone, PSP. TelechargerUneVideo is a free media converter and notably a youtube mp4 and mp3 converter. You can convert and save a video or a music to various standard formats such as MP4 or MP3. You can convert and save a video or a music to various standard formats such as MP4 or MP3.

• 1. ClipConverter.CC
• 2. Converto.io
• 3. Video Grabber
• 4. SaveFrom.net
• 5. Catchvideo
• 6. Y2mate
• 7. Online Video Converter
• 8. VidPaw
• 9. YouTubNow
• 10. QDownloader.net
• 11. YouTubemp4.to
• 12. SaveClipBro

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 full HD 1080p, 4K, even 8K. 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. While watching YouTube videos online, you’re allowed to download these high definition videos directly to your PC & Mac or Android & iPhone phones. So when you want to save a HD video from YouTube fast and safely, you can rely on Clip Converter.

Pros:

1. Support download online videos in all kinds of SD,HD & UHD video resolutions, including 720p, 1080p, 4K & 8K
2. Built-in converter directly extractsvideos to audios in formats vary from MP3, M4A to AAC
3. Provide a plugin service to keep online videos to electronic devices

2. Converto.io

YouTube and Google are constantly adjusting and updating their functionalities towards rendering online video download sites inoperable, so don’t be surprised if one of your best online YouTube video downloader sites fails to work or shuts down unexpectedly. For example, KeepVid, once a popular online destination for keeping YouTube HD videos, is no more. But for users, you have to find an alternative for KeepVid. Luckily, there is a nifty alternative on the web when KeepVid doesn’t work, a site called Converto.io. Just pop your source video URL into the site, and click the “Convert” button, the video will soon be stored on your devices.

This online video saving website also gives users the opportunity to save and convert any YouTube video to MP3 and MP4 format without having to jump through hoops. Aside from that, you can also edit file name, modify ID3 tag and cut the audio if you choose download the online video as MP3 audio. That’s not all, to make your MP3 collection look awesome, Converto.io will automatically add album cover to all the MP3 you choose to download.

Pros:

1. Support download YouTube videos online in MP3 audio and MP4 video format
2. Allow editing file name, modifying ID3 tag, cutting MP3 before downloading
3. Integrated with multilingual service

3. Video Grabber

Video Grabber is an all-in-one YouTube online HD video downloader, a web-based YouTube downloader that gives users the possibilities to grab videos from hot online video-sharing sites such as YouTube, Lynda, Twitter, Twitch, LiveLeak, Vevo & TED. Another feature which catches my attention is that Video Grabber handpicks a series of hot videos and places them on its site, so you can watch, search, and download videos through this one-stop service even without heading to the YouTube.

Apart from downloading, it also offers a function of converting videos from YouTube to the formats like MP4, MKV, AVI, MOV, WMV & formats compatible with devices such as Samsung, Huawei, iPad, iPhone, PSP & iPod touch etc. 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, and you can also use this recording feature to record live streaming video on YouTube. What a great application I have to say.

Pros:

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.
3. A built-in recording feature to record live YouTube videos like sports or games.

Cons:

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. It’s a feature sounds a lot like Clip Converter Addon. 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. So: how can you save YouTube HD videos as MP4 online with this SaveFrom? The answer is dead easy.

For example, let’s say that you are playing a YouTube video, the video is quite intriguing, and you are eager to keep it on your devices. Then you install the plugin, and you will take notice of the URL on the address line. At this point, you just add “savefrom.net/” or “sfrom.net/” before the URL starts with “https”, or use short domain names like ”ssyoutube.com” to replace “youtube.com”. Now you just press the Enter key, and you will be redirected to the download page like magic. By now you just choose your downloading parameter, hit download button, then the video will be directly saved to your portable contrivances like computer, mobile phone or SD card without any other superfluous operation.

Pros:

1. Provide an easier way to download videos

Cons:

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.

As it’s a web-based application, so everyone can utilize it to save YouTube videos online without switching any device, as long as you have a browser, no matter if you are using a Windows, Mac, Android, IOS, Linux or other platform. It only supports download online videos in resolution not higher than 720P, that means even if you put a 4K video link on it, it will download this video in 720P eventually.

Pros:

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.

Cons:

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

6. Y2mate

As you may have heard, YouTube is now the world’s 2nd biggest search engine for its huge video contents, and it’s increasing at a high speed very year. Based on that, YouTube downloader tools are becoming more and more popular, and webmasters keep joining the competition and want to get a piece of the pie. Y2mate is one of the team, its Alexa rank grows quickly in 2018, and now it’s between 1k~2k. As an online YouTube video downloader site, Y2mate gives users ability to download & convert video from YouTube, Facebook, Vimeo, YouKu, etc. to MP3, MP4 in HD format.

What makes Y2mate become popular is that it provides two ways for netizens to grab online videos from YouTube to computer for offline playing. One way is common, you just copy and paste the link manually to the specific area, and choose the resolution, then it starts to download. The other way is easier, when you are playing a YouTube video, you just put”pp” after the word “youtube” in the link address line, then it will redirect to the download page. In that way, one can save YouTube videos in a faster way. Apart from that, it promises to keep free always and provide unlimited downloads and and high-speed converter service. And you don’t need to register to use its all features.

Pros:

1. Unlimited downloads and high-speed video converter
2. No registration requirement
3. Support to download YouTube online videos in 1080P full HD as MP4

7. Online Video Converter

What makes a video informative and intriguing? In my opinion, a good video is not only about telling a compelling story or an instructive skill, it’s also about delivering a wonderful visual experience which can give us the feelings of actually being there. That’s the reason why HD & UHD videos in resolutions like 1080P, 2K, 4K & 8K are growing exponentially. Let’s come to the topic, how to save YouTube HD videos and make sure that that are lossless? Well, Online Video Converter is another option that has the ability to save HD videos online without any quality loss.

Online Video Converter is a professional video downloader & YouTube converter online website which can download YouTube videos as MP4, AVI, MOV, MKV, FLV & WEBM formats. The reason why I like this online HD video downloader site is that it’s fully compatible with modern browsers with high-speed download and conversion. And you can easily keep videos offline without any registration from a wide range of online video hosting sites such as YouTube, TeacherTube & Gametrailers etc.. More importantly, Online Video Converter is also good at converting YouTube videos to MP3, just refer to this article: 10 Best YouTube Music Song to MP3 Converter.

Pros:

1. Wide range of online video portals supported & high-speed conversions
2. Unlimited free conversions and downloads
3. Full compatibility with almost every browsers with no registration required

8. VidPaw

When watching a video online, no matter on YouTube, Vimeo, or Dailymotion, what we care most about is the content, either they are interesting or insightful, but most time we just ignore the technology behind the scenes. In reality, the video websites’ efforts to improve the visual effect are usually covered up by the content. Audiences seem to take for granted that streaming videos will become clearer and clearer, instead of exploring what is behind these technologies.

As the largest video-sharing site, YouTube is always at the forefront of the video technology field. It supported 240p resolution video and mono playback originally, slowly it added the support for 480p, 720p, 1080p, 4k & 8k resolutions, then 60fps playback was added to make the screen smoother. So, if you desire to download a HD video from YouTube, apart from utilizing the online sites mentioned above, VidPaw is also a good option.

VidPaw is another web application that makes downloading YouTube high definition videos super easy. All you have to do is copy a YouTube video URL and paste it into the text field, then click the “Start” button, choose the saving quality, and the video will be downloaded in a short time. It’s important to note that you can only download 1080p videos in video-only, without the audio. VidPaw also works for Vimeo, Instagram, Facebook, Nicovideo, Dailymotion, SoundCloud etc..

9. YouTubNow

Streaming video has never been more accessible than these days, but you still have your reasons to download them offline, especially those high definition videos. But when it comes to the copyright of the videos you want to download, as long as you’re downloading a video for your own personal offline use, and not put it online, you are probably okay. And this time, we bring YouTubNow – one of the best HD video & audio downloading service in the world.

YouTubNow provides an intuitive and authentic video download solution for video lovers over the world, making it easy & safe to download YouTube videos, TV shows, musics, playlists, channels, subtitles. It’s an online service, so that you can access in your web browsers, basically you can use it on any device connected to the Internet. Just enter the video link in the box, select a format and click Download button, the video will be saved on your device in a fast speed!

YouTubNow claims not to collect any data about your account, videos you download or else. So if you’re looking for versatile & completely safe online video downloader, look no further.

10. QDownloader.net

Many people’s favorite pastime is watching YouTube videos, and they often watch more YouTube videos than watch cable TV. There’s so many videos to choose from that you can spend hours upon hours on YouTube just watching videos. Some of those videos will help you a lot when trying to figure out how to make an amazing video, how to deal with a computer glitch, or how to learn an instrument. They also have some really great cooking tutorials as well. I’ve learned how to make some of the best fried rice by watching a YouTube video.

It can’t be easier to watch a YouTube video online, but you might still find yourself have the demand for offline videos when streaming a video is not possible, or an offline will make you have a better understanding of key point in a video. Well, then you will need a YouTube video downloader online. Speaking of the best YouTube downloader online, it largely depends on one’s preference indeed. And QDownloader.net is another one that I’d like to introduce.

As an online SD & HD downloader webiste, QDownloader helps you to download & convert YouTube videos into MP4 which you can download readily with high speed. Not only does it has the capability to save videos from YouTube, but also it has a support for Vimeo, Instagram, LiveLeak & BiliBili etc.. With this site, you can quickly view as well as download your loved videos from YouTube without facing any hassle. Like others, this one is also a free online video converter which only requires a stable Internet connection. So, using this tool you don’t have to bother about when, how and what to download.

Tips: When you use QDwonloader to download a HD 1080P video, the site will convert the video at first, then you can save the video offline.

11. YouTubemp4.to

YouTube is a great platform for watching and sharing videos, and it has both free and paid content – which is only available to YouTube Premium users. YouTube Premium is a paid streaming subscription service that provides ad-free streaming of all videos hosted by YouTube, exclusive original content produced in collaboration with the site’s creators. But now, YouTube decides to make a change, trying to make that original content available for free, with ads, to expose it to a wider audience. This is definitely a great news for the YouTube Generation, as they will enjoy more incredible content.

But what if you watched a fantastic video content on YouTube, and want to download it on your phone or computer? Is there an easy option or do you have to put in some extra legwork? Actually, apart from those 10 YouTube downloader online sites above, YouTubemp4.to is also a safe alternative. YouTubemp4.to is a powerful site that facilitates you to find and save your favorite YouTube videos as well as music quickly, easily and absolutely for free. Simply by pasting the YouTube link in the box and click CONVERT button, select the resolution, the video will be downloaded in the highest quality as MP4 format!

Pros:

1. Doesn’t require your email or any personal data
2. Free and highly efficient to download YouTube videos as MP4 online

12. SaveClipBro

We have to admit that we watch tons of YouTube videos on a daily basis! YouTube is a great place where we can watch many kinds of videos, such as Vlogs, Storytime Videos, Tutorials, Gaming & Product Reviews etc.. But when watching a YouTube video online, we are always chained to the Internet connection, if it drops, so does the fun. And there are also occasions that your favorite videos will be taken offline in the future and you will not be able to access them at all. Well, you can download these videos offline as long as you have the right software or website. And SaveClipBro is the last one that can fill my list – 12 best YouTube downloader online sites that will save HD videos for free from YouTube.

SaveClipBro a free & safe site dedicated to download videos from popular video hosting sites, such as YouTube, Vimeo, Instagram, BBC, Freesound and many more. Aside from downloading YouTube videos to MP4, you can also try this site to rip music from YouTube videos using the YouTube to MP3 feature, the music format can be AAC, WMA, WAV and more! As a web-base site, you can use it on your smartphone, laptop, iPhone, Android, PlayStation or any other device as long as it has a browser.

Pros:

1. 100% free, fast and easy to download & convert online HD videos from YouTube
2. Support many video platforms, social media, media libraries & music services
3. Can download videos in 1080P full HD if the highest definition is bigger than it

13. KeepVid (Not Working)

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. A big reason why I like KeepVid is that it supports many popular online video & music sites including YouTube, Lynda and Vevo etc. 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.

Pros:

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

Cons：

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

Note: KeepVid suddenly shut down their online video & audio download service, which is really a bad news for its big fans. But the site still exists and it now provides statistics & tips about online video & music, such as: Ideas about Top 3 Sites to Listen and Download Music.

Part 2: How to Download YouTube HD Videos Online

Compared with desktop video downloader, online video downloader has many advantages. One strong point of online video download site is that it’s time-saving. If you are using an online site, you just go to the website, paste the source link and have the videos downloaded, then you will leave the site and watch these downloaded videos offline or do other things. However, If you want to use a desktop downloader, first you have to download it, then you have to install it on your computer, quite easy but time-wasting.

Now that you’ve seen the top 10 online HD video downloader, It’s time for me to walk you through the step-by-step usage. As these 12 best video downloader online work in the same manner, here I will take Clip Converter as an example to reveal the approach.

Steps 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 come 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.

Final Words

These are all the online YouTube downloader sites picked up for you, any of them is professional and easy to save YouTube high definition videos to MP4 online without installing any desktop software. As every coin has two sides, each site has its pros and cons, now I’d like to hear from you: What’s your #1 takeaway from today’s top 12 online YouTube downloader sites? Or maybe you have a more practical site. Either way, let me know by leaving a quick comment below.

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