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Convert existing YouTube videos in flash to html5

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I'm interested in viewing some YouTube videos at an increased playback speed. I've found out that this is possible by joining the HTML5 trial, which I've successfully done. Now I'm able to most view YouTube videos in html5, but not all. My question is how do I convert existing YouTube videos in flash to html5? Thank you!

YouTube will make anything uploaded in WebM available for viewing in WebM, for users who have opted in to the HTML5 version of the site, but our old videos were encoded in FLV so we had to do some conversion. This tutorial will teach you how to turn your old YouTube videos in flash to HTML5-friendly video files.

What you need to convert YouTube videos in flash to HTML5

All you need is the latest version of iFunia YouTube Converter for Mac, which is an easy-to-use online video downloader and converter. It not only allows you to download common (standard and high-definition) or HTML5 video from YouTube sites, but also enables you to convert FLV videos to any other video and audio formats. Besides, you can also convert videos directly to iPhone, iPod, PSP and other portable devices.

Download iFunia YouTube Converter for Mac now

How to convert existing YouTube videos in flash to html5

Step 1: Download the YouTube videos you want to convert

Drag and drop the URL of the YouTube videos to the interface of the YouTube Converter or Click "Add URL" button to add YouTube video URLs in this Mac YouTube Video downloader. The YouTube videos will start downloading automatically. Make sure your Internet is connected to YouTube website and the URLs of YouTube videos are correct.

And for users who have a local copy of the YouTube FLV videos, just switch to the convert panel and drag&drop all your flash(flv) files to this Flash to HTML5 converter for Mac.

Working in bulk

YouTube Converter for Mac support batch conversion, so you can download and convert multiple YouTube files at a time. Simply drad&drop the YouTube videos which you want to convert into the interface of the YouTube Converter. When all your files are ready, hit the "convert" button to get your encode on.

Step 2: Convert the YouTube videos in flash to HTML5

Once the YouTube video has been downloaded successfully, it'll be removed from the "Download" tab and transferred to "Convert" tab. Just click the "Gear" button at the right side and change the output format you like from the "Convert to" drop-down menu list. Also for the output format, "HTML5 video", "HTML5 audio" are there for you as following list.
"HTML5 Video": convert video to ogg, webM, and mp4.
"HTML5 Audio": convert video/audio to ogg, mp3, wav.

Convert away

Select the best video format for each video file and specify a directory to save the YouTube video files. After all settings has done hit the "Convert" button to start YouTube flash to HTML5 conversion.

I hope this tutorial helps you prep your content for YouTube HTML5 in web video. HTML5 will help lower the barriers to entry again in providing web video to a massive audience, and you’ll certainly want to be on the cusp of it.