Top 10 Best Online YouTube Video Converter 2023 - Free for All

Rosa Reyes
January 06, 2023 Preview 176.1K Preview 1
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YouTube is the most popular video-sharing website in the whole world for you to grab or upload videos. But it doesn’t allow anyone to download videos directly. If you want to download YouTube videos, you need a downloader tool for YouTube video download online. In addition, when playing the downloaded YouTube videos on some digital players, you would find the format of the video is not compatible with the rig. At this point, you’d better resort to a conversion tool, such as the best online YouTube converter.

This article would introduce the top 10 best online YouTube video converter options, each of them are not fully perfect, but can give the basic conversion function. You can choose one of them to finish your simple conversion tasks.


Top 10 Best Online YouTube Video Converter Reviews

1. MP3Converter (New)


MP3Converter is one of the best music converters and mp3 search engines which can be used to download and convert YouTube videos to MP3, MP4, WEBM, 3GP, and F4V songs in high quality. YouTube to MP3 Converter allows high-speed conversion of files and is compatible with several video websites, including Facebook, Vimeo, VK, Instagram, Soundcloud, Dailymotion, Metacafe, Vevo, and AOL.

1. Keepvid (Unavailable)


KeepVid is born as an online YouTube video converter, and now develops an ultimate video & music downloader for Mac and Windows. It allows you to download videos from most video websites like YouTube, Facebook, Twitch.Tv, Vimeo, Dailymotion and many more. Just input the URL to download. Its output formats might include MP4, M4A, FLV, 3GP, WEBM, and MP3. It is also a good YouTube to mp4 converter free online.

2. OnlineVideoConverter v3.0

OnlineVideoConverter v3.0

Online Video Converter v3.0 is a free YouTube video converter that converts YouTube videos to other formats. As far as I know, it supports more output formats than Clipconverter. You can convert YouTube to FLAC, YouTube to MP4 online with it. But the conversion speed is much slower.

Supported audio formats Supported video formats

3. Convert2MP3


Convert2MP3 can help you download your music for free and convert your favorite videos from YouTube, Dailymotion, Vevo, and Clipfish online to MP3, MP4 and more. It’s free and there is no registration needed. It can be one of the best online YouTube video converter options, if you don’t have much advanced requirement on the output quality. It is also a good YouTube to mp4 converter free online.

Supported audio formats Supported video formats

4. Flvto


Flvto is user-friendly and clean. It doesn’t have a malicious banner or redundant video display. As a simple free YouTube video converter, it supports to download and convert online videos to MP3, MP4, MP4 HD, AVI, AVI HD. Lots of video websites are supported as well.

Simply paste the URL of your favorite YouTube video and download it to the target format. The output format of this best online YouTube converter is pretty limited, so you may unable to convert video to the format that you want.

5. MP3Fiber

YouTube MP3

MP3Fiber is a simple online YouTube video converter for transferring videos to MP3, just input a YouTube URL, then it will help you convert YouTube to MP3. It does not only support YouTube, but also Vimeo, VK, SoundCloud, Metacafe and many more. Besides, you can use it to convert YouTube to MP4, AAC, M4A, F4V, and 3GP format.

What makes us anxious is that MP3Fiber best online YouTube converter is known for offering the malware and infection-free conversion to its users. Even there are two download buttons to throw dust in your eyes. Be sure to click the "Download Now" button, rather than the "DOWNLOAD MP3" button.

6. Online-convert

This online YouTube video converter lets you convert media easily and quickly from many supported sites. It supports a lot of different source formats and helps to convert to many popular audio & video formats, like converting YouTube to FLAC, converting YouTube to MP3, MP4, etc. It also can help you convert to image, eBook, and document, etc. But this best online YouTube video converter needs you to download YouTube video files firstly and then load the local YouTube video to the converter. So it’s not easy to convert YouTube videos. Moreover, the input maximum file size is 100 MB.

Supported audio formats Supported video formats

7. Office-converter


Office-converter can assist you to convert any video on the website through the URL including YouTube video URL. Or you can click “Add files” to load your local video files or provide the direct URL link to the image/music/document/ebook file to convert. With this best online YouTube converter, you can achieve the basic tasks in your work.

8. Clipconverter


Clip Converter is a free online media conversion application, which allows you to record, convert and download nearly any audio or video URL to common formats. Its converting speed is faster than other online video converters. You can choose the video quality and edit conversion options before converting your video, which is also the main feature of ClipConverter. But its supported formats are limited and listed as follows:

Direct download from Audio Video
YouTube (HQ and HD), Google video, Sevenload, Myspace, Dailymotion(HQ), Vimeo(HQ), Metacafe, MyVideo, Veoh, SoundCloud MP3, M4A, AAC MP4, 3GP, AVI, MOV

9. Catch-video


Catch-video is a good free YouTube video converter. You can enter the video link from a video provider like YouTube or Dailymotion or search for a keyword, then click the "Catch!" button then the application will display all the formats for this video (WEBM, MP4, FLV, 3GP, M4A). You can download the video in supported formats. However, you might always receive error said that “This video contains copyright material or music”.

10. Yonverter


Yonverter free YouTube converter can convert your YouTube videos to 3GP/ MP4 video formats or MP3 audio format and download them to your PC or mobile phone. It has a simple website style, no unhappy advertise that diverts your attention.

Tips: Many articles in some websites have discussed the problem on how to download YouTube videos, but obviously, in some articles, they said Zamzar can help you to download YouTube videos, what a mistake it is, because Zamzar stopped providing support for downloading videos from YouTube after receiving a C&D order from Google's legal department. This mistake should be pointed out for not misleading users.

Quick View of the Best Online YouTube Converter (In no particular order)

YouTube Converter Output Formats Support Sites Batch Convert Adjust Quality Edit Fliters
MP3Converter 5 10+ No Choose Quality No
KeepVid 20+ 20+ No Yes Basic
OnlineVideoConverter v3.0 14 15+ No Yes No
Convert2MP3 10 3 No No No
Flvto 5 5+ No No No
MP3Fiber 9 8 No No No
Online-convert 80+ Local Video No Yes Basic
Office-converter 30+ Only YouTube No Yes No
Clipconverter 8 Only YouTube No Yes Basic
Catch-video 5 4+ No No No
Yonverter 3 Only YouTube No No No
Cisdem Video Converter 200+ 1000+ Yes Yes Powerful, dedicated

According to the table above, we can see it at a glance that Cisdem Video Converter takes an absolutely dominant position. For the best online YouTube video converters, it’s a complete defeat in this battle, needless to say KeepVid was shut down on March 21, 2018 due to copyright problems.

So while you’re looking for the best online YouTube converters, please also take a look at dedicated desktop tools.

The Best Desktop Video Converter You Might Be Interested in

Cisdem Video Converter is an easy and great tool that can satisfy all your needs for converting video on Mac or Windows. It is able to download YouTube 1080p videos online, and convert between all kinds of popular video & audio formats, what's more, you can create 2D to 3D, and do much editing to enhance the video visual effect.

Free Download   Free Download

Step 1Launch Cisdem Video Converter

Run the YouTube converter software on your computer. You will be taken to the convert tab. The first thing you need to do is switch to the download tab.

Convert Online YouTube Videos Step 1

Step 2Download Online YouTube Videos

Copy YouTube links and paste them to the download bar at the bottom. Then click the downward arrow on the side to start downloading YouTube videos in batch.

Convert Online YouTube Videos Step 2

Step 3Convert YouTube Videos to Other Formats

Move downloaded YouTube videos to convert tab. Pick your preferred output video/audio formats freely. Then convert videos to your desired formats. Before converting online YouTube videos, you can customize them with editing tools.

Convert Online YouTube Videos Step 3

The output format profile is well categorized by the device type, it is easier for you to convert video for iPhone, iPad, Apple TV, PSP, Samsung, etc. You can do more format conversions without any limit, such as:

YouTube to Audio YouTube to Video
FLAC, AAC, AC3, AIFF, APE, MP3, MP2, M4A, OGG, WAV, WMA, MKV, etc. FLV, MP4, WebM, AVI,VOB, MKV, MOV, M4V, 3GP, MOD, TOD, VRO, AMV, DIVX, ISO, etc., and HD video format (H.264/MPEG4 AVC Video, AVCHD, HD AVI, HD MPEG2 Video, HD MP4, HD TS, HD MOV, HD VOB, HD WMV Video), etc.

Final Words

These best online YouTube video converters are free and can satisfy your converting needs, but they don’t support all kinds of video formats and some even take you much time to convert or download videos. And most of all, you can’t edit your videos, in most cases, you have to make your own personalized videos, but these free online video converter tools are unable to help you make it. If you want to get a professional video converter, please give a try on Cisdem Video Converter.

Rosa Reyes
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Rosa has worked in Mac software industry for more than eight years. She believes that the purpose of software is to make life better and work more productively. In addition to writing, Rosa is also an avid runner.

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  • Jerrware Hersh

    Fantastic - this post provides exactly what I was looking for. I need a program to convert my YouTube video to Flac. In your recommendations, I found several of them can finish this task.

    6 years ago Reply

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