For some reasons, after you download YouTube video, you might want to convert YouTube Video to AVI HD. To do that, you need a professional YouTube to HD AVI converter. Here in this article, I will show four professional YouTube to HD AVI converting programs, including a YouTube to AVI HD online converter, and together, the relative guide to convert YouTube video to AVI HD will be offered as well. Besides HD AVI, you can convert YouTube videos to 3GP.

Part 1: Convert YouTube Video to AVI HD with Leawo Video Converter

As an all-around video converter software program, Leawo Video Converter enables you to convert video and between different formats with great facility: AVI to MPEG, FLV to MKV, WMV to MOV, MKV to MPEG, even YouTube video to HD AVI, etc. Conversions between audio formats can also be done and you can convert video to audio to get audio off video file for music listening. As a professional video converter, Leawo Video Converter possesses an easy-to-use interface that allows even software green hand to convert files at ease, and the converter is able to convert files in 6 times faster speed while keeping 100% original quality. Leawo Video Converter supports all together 11 kinds of languages: English, German, Japanese, Simplified Chinese, Russian, Hungarian, Armenian, Spanish, French, Portuguese and Dutch. This YouTube video to HD AVI converter is also equipped with various video editing features and parameter adjuster to let you personalize output files, such as video trimming, video watermarking, video cropping, video effecting, turning 2D video into 3D video, and removing video noise. If you are using Mac system, you can switch to Leawo Video Converter for Mac to convert video and audio files.

Download and install the right version of Leawo Video Converter on your computer, and then follow the step-by-step guide below to convert YouTube video to HD AVI with Leawo Video Converter. Here we take Windows version of the converter as an example.

Step 1: Import Source YouTube Video Files
Launch Leawo Video Converter, go to the “Convert” tab, and click “Add Video” button on the sub-menu to load your source YouTube video files. Alternatively, you can directly drag and drop YouTube video files into the program interface. After YouTube video files are imported, you could play back YouTube video files, select subtitles and audio tracks from source YouTube video files, add external subtitles to loaded YouTube video files, edit loaded YouTube video files, etc.

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Step 2: Set HD AVI as Output Format
Click the drop-down box named “MP4 Video” by default next to the “Add Photo” button. On the drop-down list, select “Change” option. Then on the popup Profile window, select “HD AVI” from “HD Video” under “Format” column as output format. Please note that once you change the output format, the name of the drop-down box will change as well.

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Note: If you need, you could click the “Edit” button on the drop-down profile setting box to adjust video and audio parameters like video codec, aspect ratio, frame rate, resolution, audio codec, bit rate, channel, sample rate, etc.

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Step 3: Convert YouTube to HD AVI
Click the big green “Convert” button on the sub-menu bar next to the format setting drop-down box. Then, on the popup sidebar, set output directory. After setting output directory, click the “Convert” button right below. Leawo Video Converter would start to convert YouTube to HD AVI immediately.

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Part 2: Convert YouTube Video to AVI HD with STOIK Video Converter

STOIK Video Converter program is a smart video file converter, designed to convert all videos of yours. STOIK Video Converter is able to convert video files between different formats rapidly. Check out the guide to convert YouTube video to HD AVI with STOIK Video Converter.

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Step 1. Add Source YouTube Video
Click “Load File” to choose and add source YouTube video into the main converting interface.

Step 2. Set HD AVI as Output Format
Choose and select HD AVI as the output video format under Output format box. If necessary, you can click “Customize Format” button to edit video and audio parameters for output format.

Step 3. Convert YouTube Video to HD AVI
Click “Record” button at the bottom to start conversion process from YouTube video to HD AVI. After a while, you can get converted video file in HD AVI format.

Part 3: Convert YouTube Video to AVI HD with EncodeHD

As a simple video converter and powered by an easy-to-use interface, EncodeHD allows you to convert videos on the go without any troubles. Check out the guide below to convert YouTube video to AVI HD with EncodeHD.

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Step 1. Add Source YouTube Video
On the main interface of EncodeHD, click “+” button to add source YouTube video. Multiple video files are supported for batch conversion.

Step 2. Choose HD AVI as Output Video Format
On the output format list, choose and set HD AVI as the output video format in order to convert YouTube video to HD AVI. If you want, you can click “Advanced” button to edit output video parameters.

Step 3. Start to Convert YouTube Video to HD AVI
Click “Start” button at the bottom to start conversion process from YouTube video to HD AVI.

Part 4: Convert YouTube Video to AVI HD with KeepVid

KeepVid is an all-in-one online video toolkit for you to convert video and audio, edit video, compress video online. It is 100% free and safe, and we can use it to convert YouTube to HD AVI. KeepVid is available not only online, but also offline. You can download desktop version of KeepVid Video Converter to have a try. But in most cases, you can use KeepVid online converter to finish many of your video conversion demands. Check out the guide below to convert YouTube video to AVI HD with KeepVid.

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Step 1. Add Source YouTube Video File
Like many video converters, KeepVid offers two ways for you to add source YouTube video file. On one hand, you can directly drag and drop source YouTube video file into this online video converter. On the other, you can click “+” button to choose and add source YouTube file from your computer.

Step 2. Choose HD AVI as Output Video Format
After your YouTube file is imported, you can see the video duration time, video size, and video resolution. To convert YouTube video to HD AVI, you need to choose HD AVI output format from the Output format list, and then you can adjust output video resolution as well. It is suggested that you keep the output video resolution the same as source for better output quality.

Step 3. Start to Convert YouTube to HD AVI
Click “Start Now” button to start to convert YouTube to HD AVI online, and then a processing panel will pop out. It will take a while to complete converting. After it is 100% converted, you will see a sentence read “Congratulations! Your file is ready.” At the same time, you can see the output video format, output video size, and together with output video resolution. Click “Download Now” to download converted video file in HD AVI video format.

Part 5: Download YouTube Video with Leawo Video Downloader

To download YouTube video, we can make use of a third-party computer program to download YouTube videos to computer for offline playback. Here we use Leawo Video Downloader, which is able to download videos and music from 1000+ Sites with 6X Faster Speed. Leawo Video Downloader is efficient as well as user-friendly. As an online video downloader, this professional program is capable of downloading videos from a bunch of popular online video sharing websites like YouTube, Vimeo, Hulu, Dailymotion and Facebook, etc. The professional video downloader supports to output 720P, 1080P HD Videos.

Step 1. Input Video Link
On the main interface of Leawo video downloader, you can directly watch video on YouTube or input/paste a new link in the address bar to open a new link. This YouTube downloader would detect all the downable video sources on the current page and provide you with the option to download them.

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Step 2. Download YouTube Videos
The downloadable video sources would be listed on the sidebar on the right. If you can’t find the sidebar, click the button in the middle of the scroll bar on the right to call it out. Click the Download button on the desired video source to download the video.

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Step 3. Manage Downloaded Videos
All the downloading tasks would be listed in the Downloading Tab, and when the downloads are finished, check them out in Downloaded Tab. If you want to go back to the video page, just click on the address bar.

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