To help you convert YouTube to MP4 online, this tutorial reviews the top YouTube to MP4 Converter Tools:
With YouTube to MP4 converter software, you can download and convert videos online without glitches, even if your connection is slow.
If you use the convert youtube to mp4 tool for offline viewing, the video won’t consume bandwidth every time you watch it.
Tools for converting YouTube videos to MP4
Here is a list of the best YouTube to MP4 converters
YouTube to MP4 Converter Comparison
-VideoHunter
-SnapDownloader.
-HitPaw Video Converter.
-Click Downloader
-4K video downloader
-Leawo Video Downloader
-iTubeGo
-WinX HD Video Converter Deluxe is ranked
-VideoProc
-Allavsoft
-YTMp3
-YMP4
-Flvto
-ClipConverter.cc.
-YouTubetoMp3
-Y2mate IO
-NoTube
-The website 2conv.com
-DVDVideoSoft YouTube to MP4 Converter
-Y2mate YouTube To MP4 Converter
Tools for converting YouTube videos to MP4
This tutorial will answer common questions about converting YouTube videos to MP4 format and review the top 10 converter applications to help you decide which is right.
Read also =>> Best Twitter to MP4 Converters
With over 2 billion monthly active users, youtube is the world’s most popular video streaming site and the second most popular online social platform. One billion hours of YouTube videos are viewed every day. Monthly Active Users of Online Social Platforms, in Millions
Platforms for social networking online
The best youtube to mp4 hd converter applications supports batch downloads and conversions, while others only allow you to convert one video at a time. Review the features to decide which one is right for you.
What is a YouTube to MP4 converter app?
You can download YouTube videos in MP4 format and watch them later on almost all devices, including PCs, smartphones, and game consoles, using a YouTube to MP4 converter application.
The second question is: What are the features of YouTube to MP4 Converter?
Answer: You can use this converter to download youtube to mp4 and other social media videos into popular video and audio formats. You can also save and convert videos in batches when you want to save many videos. It is also possible to select the optimum compression, resolution, and format for your device based on preset profiles in some apps.
#3) Why should you save YouTube videos as MP4 files?
Compared to other youtube to mp4 downloader video formats, MPEG-4 or MP4 video format was created by the International Standard Organization (ISO) in 2001.
#4) Is it legal to download YouTube movies as MP4 files?
You are prohibited from downloading copyrighted videos without the original creator’s explicit permission. However, you can legally download non-copyrighted videos for personal use.
Is there an app that converts videos from YouTube to MP4?
First, copy the video URL and paste it into the converter box. Next, select the format and click on Convert. Once the video has been converted, you can download it to your computer or cloud service.
The Video Hunter
VideoHunter Logo Batch downloads videos from 1000+ sites to MP4 1080P, 4K or 8K and MP3 320kbps; You can also download YouTube playlists, channels and subtitles in a click. Free Trial available for Windows & Mac. Price starts at $14.95 for 1 month for 1 PC.
Downloader for Snap
YouTube to mp4 download or MP3. Windows and Mac. Free Trial available for 24 hours.
The price starts at $19.99. Star rating:
Video Converter by HitPaw
Convert YouTube videos to MP4 and download videos from 10000+ websites with a single click. Windows 10/11/8/7 64-bit & mac OS 10.13 or later.
Downloader by clicking
Download videos from any platform using the By Click Downloader logo. Windows, Mac, and Linux platforms are not supported. If you want the free edition, click here. The premium version costs $4.99.
Downloader for 4K videos
YouTube to mp4 iphone 4k Video Downloader Logo Download videos, playlists, channels, private videos, 3D videos, etc. Windows, Mac OS, Ubuntu, & Android. Free Trial for 24 hours. $10 for one year.
Video Downloader by Leawo
Using Leawo, you can download youtube to mp4 1080p videos and music from 1000+ sites and convert them to 180+ formats. Free Trial available.
YouTube Go
iTubeGo Logo Audio and video conversion capabilities. Windows, Mac, and Android. No limitations. It starts at $9.95 per month for 1 PC. The free plan is available.
Deluxe version of WinX Video Converter
Download MP4 video from YouTube and 1000+ sites; convert any video to MP4, MKV, AVI, FLV, and 420+ formats; play offline YouTube videos on iPhone, iPad, Android, and PC;
Fast speed with GPU acceleration. Windows, Mac No Limitation Free version plus paid version:
$29.95 for 1 year/1 PC (35% off)
$39.95 for Lifetime/1PC (33% off)
The Lifetime/2-5 PCs is $69.95 (38% off)
ProcVideo
Video proc-Logo Download & convert any videos and audio from YouTube and 1000+ sites to MP4, MP3, and other 420+ formats; Edit, resize, and adjust large/4K videos, audios, and DVDs easily at fully GPU accelerated speed. No Limit Free Version: Download & convert YouTube to MP4 for Free for Windows, Mac
It’s AllavSoft
Windows and Mac No limitations Free download, $19.99 for premium plan Lossless video conversion, Batch video download, Breakpoint resume.
A YTMP3 file
YTMP3_Logo Convert YouTube videos to MP4 or MP3 formats and download them for free. Suitable for Windows, Mac, Linux, Android, and iOS. Supports videos up to one hour in length.
IDM4
Convert videos from +300 sites to MP4 and MP3 formats and download for free. Windows, Mac, Linux, Android, iOS.
To FLV
No Limitation Free Star_rating_5_of_5 Convert videos from any site to MP4, MP3, and AVI formats and download them for free. Windows, Mac, Linux, Android, iOS.
CCopyConverter.com converts clips
The ClipConverter.cc_Logo converts audio and video URLs to popular formats – MP3, MP4, M4A, AAC, 3GP, AVI, MOV, and MKV – for free. Windows, Mac, Linux, Android, iOS.
The YouTube-to-MP3 converter
YouTubetoMP3_Logo Convert videos from any site to MP3, M4A, AAC, 3GP, MP44, MKV, F4V, and WebM. No Limitation Free. Windows, Mac, Linux, Android, iOS.
Here’s a detailed review of these converters:
VideoHunter (#1)
It is the best tool for batch downloading videos from 1000+ sites to MP4 1080P, 4K or even 8K, and MP3 320kbps. It is also great for downloading YouTube playlists, channels, and subtitles.
The Video Hunter
Using VideoHunter, you can batch download videos from YouTube, Twitter, Instagram, TikTok, and 1000+ platforms in 1080p, 4K, or 8K MP4 format or 320kbps MP3 format. In addition to being convenient and efficient, it can download playlists, channels, and subtitles from YouTube, Dailymotion, and other sites in just one click.
In addition to VideoHunter for desktop, VideoHunter for Android is coming soon, and VideoHunter for Android Pro is free with VideoHunter for Android.
These features include:
Download 1000+ website videos and audio to MP4 and MP3 in one batch.
One-click download of YouTube playlists, channels, and subtitles.
Video resolutions can be set to 720p, 1080p, 4K, and 8K, and audio can be set to 320kbps.
Using the built-in proxy setup, you can download videos with country and region restrictions.
After upgrading to the latest version, you can download videos 6 times faster.
Any video can be downloaded from the Internet to MP4 HD, UHD, or MP3 320kbps with VideoHunter. The fact that it comes with useful additional features such as batch downloading of videos and automatic recognition and downloading of playlists makes it one of the best on this list.
The subscription is $14.95 per month for one device and $39.95 per year for two devices. You can cancel your subscription at any time. Visit the VideoHunter website.
SnapDownloader (#2)
Convert YouTube videos to MP4 or MP3 with this program.
Downloader for Snap
With SnapDownloader, you can download videos from over 900 websites, including YouTube, in MP4 and MP3 formats.
You can download videos in 8K, 4K, QHD, 1080p HD, etc. The platform supports unlimited simultaneous downloads from more than 900 websites.
Aspects:
The download speed of SnapDownloader is fast.
Bypass geo-restrictions with its proxy setup features.
You can schedule downloads at a specific time and date.
YouTube playlists and channels can be downloaded in batches.
With SnapDownloader, you can download videos in three simple steps, paste a link, select output format & quality, and download the video.
You can download SnapDownloader for free. You can use it for 24 hours. SnapDownloader offers two licenses. One is the Personal License ($ 19.99-lifetime license for one computer) and the Family Edition ($ 39.99-lifetime license for three computers). The product offers a 30-day money-back guarantee. Visit the SnapDownloader website.
The third option is HitPaw Video Converter.
With just one click, you can download and convert YouTube videos to MP4 and download videos from 10000+ popular websites, including YouTube, Facebook, and Vimeo.
Dashboard for HitPaw Video Converter
You can convert videos and audio to over 800+ formats for different devices with HitPaw Video Converter. Download media from 1000+ popular websites in one click. You can edit and customize your videos with cut, merge, and more. The video conversion speed is 60X faster with no loss of quality.
Using this super multimedia converter, you can convert any media file to MP4, MP3, AVI, and 500+ other formats without limitations.
These features include:
You can convert video to more than 1000 formats and devices.
You can save videos from over 10000 popular websites with just one click.
With the Windows version, you can download playlists and channels in bulk at ultrafast speeds.
(Windows only) Convert Apple Music, iTunes Music, audiobooks, and podcasts.
Enhance your video experience with add-on video editing features.
90X faster video conversion speed without compromising quality.
We recommend HitPaw Video Converter, a three-in-one video tool that allows users to convert, download, and edit videos efficiently.
Aside from YouTube playlist download, Apple Music download, and Tik Tok download without watermark, HitPaw Video Converter also optimizes the functions of the converter and editor.
A free trial is available for converting and downloading. An annual update license costs $39.95, and a lifetime update license costs $79.95.
The By Click Downloader is #4
The best way to back up your videos from any platform.
Downloader by clicking
With By Click Downloader, you can download YouTube videos to MP3, MP4, or many other formats. It supports downloading videos from other sites as well.
These features include:
HD and 4K videos are available for download.
Various formats can be converted, including MP4, MP3, WAV, and WMV.
Your downloads can be tracked.
Recommendations are personalized.
We conclude that By Click Downloader is the best platform for downloading videos from any platform in any format. Its one-click download mode makes it very easy to use.
Using By Click Downloader is free of charge. It also offers a premium version for $4.99. You can upgrade to 2 PCs with 50% off for $2.99.
The best 4k video downloader
The best YouTube downloader for videos, playlists, channels, private videos, 3D videos, and VR videos.
Downloader for 4K videos
The 4K Video Downloader desktop application lets you download videos, playlists, channels, etc., from YouTube. You can download videos and audio from all popular websites. YouTube subtitles can be extracted. Videos can be downloaded in 4K, 8K, 1080p, and 720p resolutions.
These features include:
You can download private YouTube videos and playlists using the 4K Downloader.
You can download 3D YouTube videos in Mp4, 3GP, FLV, and many other formats.
There is an in-app proxy setup.
With its Smart Mode features, you can apply the required settings to all your devices.
The 4K Video Downloader is an easy-to-use tool for downloading YouTube videos in various formats and qualities. It has a proxy setup feature and extracts YouTube subtitles.
Two paid plans are Personal ($15) and Pro ($45). 4K Video Downloader is free to use.
Leawo Video Downloader is number six.
Convert videos and music to 180+ formats from 1000+ sites.
Dashboard for Leawo
Using Leawo Video Downloader, you can download videos and audio from over 1000 websites, including live-streaming videos from YouTube and Facebook.
These features include:
With Leawo Video Downloader, you can download videos in 720P and 1080P resolutions.
It provides precise information about the video to help you download videos with the right parameters.
Leawo Prof. Media 11 lets you download and convert online videos to various formats, including MP4.
More than 180 video and audio formats can be converted using it.
Despite its smart downloading settings, Leawo Video Downloader provides 6X faster downloads and conversions of videos and music.
The Leawo Video Downloader is free to try. Its 1-year license costs $29.95, and its lifetime license costs $39.95.
iTubeGo (#7)
Converts audio and video best.
YouTube Go
It has converter tools to convert videos and audio to different formats, including MP4. It supports more than 10000 sites to download videos.
More than 20 audio, video, and mobile device formats are supported by iTubeGo, including formats compatible with iPad, iPhone, iPod, and Android. iTubeGo supports Windows, Mac, and iOS.
These features include:
With YouTubeGo, you can download YouTube videos, playlists, and channels.
Video bulk downloads are supported.
Downloading 4K & 8K videos is supported by YouTubeGo.
Videos and music sites can be browsed using its built-in browser.
Audio and video can be cut with their functionality.
The YouTube downloader iTubeGo lets you download videos in SD and UHD qualities such as 480p, 720p, 1080p, 4K & 8K. It is fast.
The price is:
Download the free version here.
It is available in three paid versions: Lifetime Plan ($29.95 lifetime / 1 PC), 1-Month Plan ($9.95 1 month/1 PC), 1-Year Plan ($19.95 1 year/1 PC), and Family Plan ($39.95 lifetime/2-5 PCs).
WinX HD Video Converter Deluxe is ranked #8
This app downloads MP4 video from YouTube and 1000+ sites; converts video to MP4, MKV, AVI, FLV, and 420+ formats; converts YouTube video to iPhone, iPad, Android, and PC for offline playback; has the fastest speed with GPU acceleration.
HD Video Converter Deluxe by Winx
With WinX HD Video Converter Deluxe, you can download YouTube videos and convert them to MP4 format.
Any 4K/HD/SD video can be converted to MP4, MKV, FLV, AVI, and HEVC/H.264, MP3, and more formats, so they can be played on your iPhone, iPad, Android phone, computer, TV, and even PSP.
These features include:
From YouTube, Facebook, Instagram, and 1000+ sites, you can download 8K, 4K, and HD videos.
YouTube playlists and multiple videos can be downloaded simultaneously.
Any video can be converted to MP4, MKV, FLV, AVI, MP3, WMV, and more.
The fastest video processing speed powered by GPU acceleration.
With the High-Quality Engine, you will get flawless output video quality.
4K videos can be compressed to reduce their file size.
You can edit, cut, crop, merge, and add video subtitles.
With WinX HD Video Converter Deluxe, you can download and convert YouTube videos at 47X real-time faster speeds without affecting the original video quality.
The price is:
Download 4K HD videos from YouTube and save them in MP4 format for free.
The paid version supports both downloading and converting videos.
Enjoy a Special Offer For the Full Version When You Download the Free Version
VideoProc (#9)
Download, convert, and compress large/4K videos at fully GPU-accelerated speed from YouTube and 1000+ sites to MP4, MP3, and other formats.
ProcVideo
You can download free videos, channels, and playlists from YouTube and over 1000 online sites with VideoProc.
This program allows you to convert HD/4K/8K videos to MP4, MP3, FLV, MKV, iPhone, iPad, and more with 47x real-time faster video conversion speed.
These features include:
Supports 1000+ sites, including M3U8 and AV1 videos.
With over 420 profiles, you can convert videos to MP4 (H264/HEVC), MKV, AVI, FLV, 3GP, MP3, WAV, etc.
Download videos in 4K/1080p/720p and record live streams.
Faster download speeds & unlimited free downloads.
You can watch live games, sports, or news if you record live streams.
Batch or selectively download videos, music, Watch Later Playlists, and channels.
Video and audio files can be cut, split, cropped, merged, rotated, stabilized, denoised, and compressed.
You can go right with VideoProc if you’re looking for an easy and fast video download & conversion tool. A user-friendly UI and navigation make it easy to use all the features. If you need one-stop video download, conversion, and editing, VideoProc has no competitor.
The price is:
You can download videos and save them as MP4 or MP3 for free. You can also convert and edit short videos for free.
A lifetime license is $37.95; you can download, convert, edit, and record.
You can download the free version of VideoProc or purchase the full version with a discount.
The tenth company is Allavsoft.
For lossless video conversion, batch video downloads and breakpoint resumes.
Avsoft
With Allavsoft, you can download videos from over 1000 websites, including YouTube. The software can also convert the video into MP4 format before downloading it.
Downloading a video is as simple as copying-pasting the URL onto Allavsoft’s interface. Next, select the ‘Automatically Convert to’ command and choose MP4 from the dropdown menu.
These features include:
Resume Breakpoints
You can preview videos without downloading them.
Downloading videos in batches
YouTube VR 360 Videos to download
You can download all videos (even VR ones) from YouTube using Allavsoft and then convert and save them in various formats on your Mac or Windows device.
YTMp3 (#11)
YouTube videos can be converted to MP4 and MP3 formats and downloaded for free using this program.
Dashboard for YTMP3
With this app, you can convert and save videos for any platform. You will need Documents by Readdle from the App Store to save videos to iPhones and iPads.
These features include:
MP4 and MP3 formats are supported.
Videos can be saved to PCs, laptops, Android devices, and iPhones.
If you want to download videos for longer than an hour, you should look for another app. YTMp3 is a good online YouTube to MP4/MP3 converter.
YouTube to MP4 converter is free.
YMP4 (#12)
Convert videos from +300 sites to MP4 and MP3 formats and download them for free.
Dashboard for YMP4
This online video converter can convert and download videos from YouTube and over 300 other sites. The online converter converts and downloads videos quickly but does not support batch downloads.
These features include:
MP4 and MP3 video conversion.
We support YouTube, Daily Motion, and over 300 other sites.
There is no time limit.
You can download and convert videos of any length for free with YMP4’s YouTube to MP4 and MP3 converter. However, you should look for another conversion app if you want batch downloads.
Flvto (#13)
You can convert videos from any site to MP4, MP3, and AVI formats for free.
Dashboard for FLVTO
With Flvto, you can convert any video from any website into available video formats for free. It can be used on macOS, Linux, and Windows and will let you convert and download videos without time limits. It also supports converting videos to HD formats.
These features include:
You can convert videos to MP4, MP3, and AVI formats.
Any video can be converted and downloaded.
There is no time limit.
Using Flvto, you can download and convert videos from any website with no time limit.
ClipConverter.cc (#14)
For free, convert any audio or video URL to MP3, MP4, M4A, AAC, 3GP, AVI, MOV, and MKV.
Dashboard for ClipConverter.cc
With ClipConverter.cc, you can download videos from any URL for free. The best thing about this online video converter is you can choose between 720p, 1080p, 2K, and 4K video formats. To convert and download videos directly from the site, you can install an add-on for Firefox, Chrome, and Safari.
These features include:
You can convert videos to MP3, MP4, M4A, AAC, 3GP, AVI, MOV, and MKV formats.
Video formats supported include 720p, 1080p, 2K, and 4K.
There is no time limit.
Multilingual support is available.
Video converter ClipConverter.cc
is a free and fast online video converter. Most users appreciate the ability to select both the quality and format of the converted video. Using the online video converter tool, you can download and convert videos directly from the site using a browser plugin. This makes the process of converting videos much more convenient.
ClipConverter.cc is the website.
YouTubetoMp3 (#15)
You can convert videos from any site to Mp3, M4a, AAC, 3GP, MP44, MKV, F4V, and WebM formats, adjust volume, and download them for free.
The YouTube-to-MP3 dashboard
YouTubetoMp3 can convert YouTube videos into various audio and video formats.You can choose a volume from zero to 400 per cent depending on your needs. Video can also be converted to different MP3 bit rates, including 128kb, 256kb, and 320kb.
These features include:
You can convert videos to MP3, M4A, AAC, 3GP, MP44, MKV, F4V, and WebM formats.
720p, 1080p, 2K, and 4K video formats are supported.
There is no time limit.
Due to its great flexibility in converting YouTube video files, YouTubetoMp3 is the best video converter tool on this list. YouTubetoMp3 converter lets you convert videos in dozens of audio and video formats and adjust the volume of the converted video. It will always be there for you to control video conversions.
YouTube to MP4 converter for free
YouTubetoMp3 is the website to use
Y2mate IO (#16)
Any audio or video URL can be converted to MP4 format for free using this tool.
Dashboard for Y2MateIO
This app only converts YouTube videos to MP4 format and supports multiple languages, including English, Spanish, Russian, Indonesian, and Portuguese.
These features include:
MP4 conversion is the process of converting videos to MP4.
Multilingual support is available.
Y2mate IO is a great app for converting YouTube videos to MP4 format. Other apps are available if you want to convert videos from other social platforms.
YouTube to MP4 converter for free
Y2mate IO’s website
NoTube (#17)
For free, convert any audio or video URL to MP3, MP4, 3GP, FLV, and M4A.
Dashboard for nanotube
This online tool converts videos from YouTube, Dailymotion, Facebook, Instagram, and Twitter into popular video and audio formats for smartphones, tablets, and PCs.
These features include:
Easily convert videos to MP3, MP4, 3GP, FLV, and M4A.
Downloads from YouTube, Dailymotion, Facebook, Instagram, and Twitter are supported.
There is no time limit.
In summary, a nanotube is a great tool for converting videos from popular social media platforms to audio and video.
Free of charge
NoTube.com
The website 2conv.com is number 18
You can convert YouTube videos to MP4 format for free on any device.
Dashboard for 2Conv.Com
The website 2conv.com lets you convert YouTube videos to MP4, MP3, and AVI formats on any device. You can also download a converter for Mac, Android, or Windows.
These features include:
You can convert videos to MP4, MP3, and AVI formats.
Video formats of standard and premium quality are supported.
There is no time limit.
Formats supported include Mac, Android, and AVI.
You can also download the YouTube to MP4 converter if you prefer a desktop program. 2conv.com is an online application that converts YouTube videos to popular video and audio formats.
Free of charge
2conv.com is the website
DVDVideoSoft YouTube to MP4 Converter (No. 19)
For free conversion of YouTube videos to MP4, AVI, MP3, and iPhone/iPad formats on Mac and Windows.
The DVDVideoSoft YouTube to MP4 Converter Dashboard
YouTube to MP4 Converter from DVDVideoSoft is a desktop application you can download for Windows or Mac computers. In addition to MP4, AVI, MP3, and iPhone/iPad formats, you can also name files automatically based on their numbering, original YouTube title, download date, and resolution.
Below is a list of the best tools for converting AVI to MP4.
Aspects:
Videos can be converted to MP4, AVI, MP3, and iPhone/iPad formats.
File sizes Original and Economy are supported.
There is no time limit.
Multiple videos can be merged together.
Channels can be downloaded in bulk.
The DVDVideoSoft desktop video conversion app can be used on macOS and Windows devices. The program has more features, like automatic custom file names, merging videos, and batch downloading.
Free of charge
DVDVideoSoft YouTube to MP4 Converter website
Y2mate YouTube To MP4 Converter (#20)
It is easy and convenient to download YouTube videos to MP4 in 1080p full HD with Y2Mate YouTube to MP4 HD online converter.
There is no limitation on device, browser, country, etc. Copy and paste the URL into the address box, and you can download your desired videos immediately.
MP4 player Y2mate
These features include:
Downloads videos in 1080p, 4K, and 8K resolutions.
YouTube to MP4 batch downloader
Support 320 kbps audio and customize subtitles.
Video downloads from streaming services like Netflix, HBO, Amazon, Hulu, etc.
Free online and software versions are available.
Regarding batch downloading YouTube videos in high definition up to 4K and 8K, Y2mate YouTube to MP4 HD Converter is the best choice.
You should try Y2mate Downloader, which also supports downloading videos and movies from streaming websites such as Netflix.The online version has a 30-day free trial period and a subscription plan of 9.9/month.
The MP3 Studio (#21)
With this program, you can download and convert YouTube videos at unlimited speeds and at an ultra-high quality of up to 8K.
Studio MP3
With MP3 Studio, users can download and convert YouTube videos into various formats, including MP4, MP3, and many others. Instagram is also supported.
Its speed, quality, and user-friendly design make MP3 Studio one of the most popular options for downloading video from the web.
Aspects
Up to 8K resolution videos can be downloaded.
Download speed is unlimited.
Playlists and channels from YouTube can be downloaded.
Downloading in private
Support for cloud services
Editing ID3 tags
Besides MP3 and MP4, it converts videos and audio into various formats.
YouTube, Instagram, Soundcloud, and more downloads.
Multi-download support is unlimited.
Multiple videos and audio can be downloaded simultaneously from different websites.
A user-friendly interface makes it easy to navigate.
23 languages are supported by the user interface.
MP3 Studio is one of the best YouTube converters currently available.
Pricing for MP3 Studio
Three conversions per day are included in the free version.
Plans for Windows ($5.99), Android ($4.99), and Mac ($5.99).
$25 for a lifetime license with unlimited conversions.
You can get a discount with the promo code STHELP (limited-time offer).
In conclusion
The YouTube to MP4 converter tools reviewed in this tutorial has similar features. All of them can convert YouTube videos to MP4 files.
Recommended reading =>> Best MOV to MP4 Converters
Some tools, such as YouTube2MP3, YMP4, ClickConverter.cc, and Y2Mate, can convert video files from nearly any website, whereas others, such as Y2MP3, 2Conv.com, Y2Mate IO, and DVDVideoSoft Converter, can only convert videos from YouTube.
The best YouTube converter app for downloading entire channels is DVDVideoSoft YouTube to MP4 Converter. Most apps listed here can download and convert only one file at a time.
All the tools in the list can convert free videos for personal use. Copyright videos should be converted and downloaded with permission from the author.