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 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 convert flash to html5 friendly video files when it comes to YouTube videos.

What You Need to Convert YouTube Videos in Flash to HTML5

Now that there are good reasons to convert flash to html5, we need a decent software or tool to get started. All you need is iFunia YouTube Downloader Mac which is an easy-to-use online video downloader. It not only allows you to download YouTube videos or other online videos in 720p, 1080p or higher and HTML5 videos, but also enables you to download FLV videos to other video and audio formats.

How to Convert YouTube Flash Videos to HTML5

Is iFunia YouTube Downloader Mac easy to use? How does it work as a YouTube to html5 converter? Let’s find out.


Download iFunia Free YouTube Downloader for Mac Now


Download iFunia Free YouTube Downloader for Mac Now


Step 1: Add YouTube Video URL

1. Download the aforementioned iFunia YouTube Downloader for Mac and get it installed. Go to YouTube and drag and drop video thumbnail to the app’s interface. You can also choose to copy and paste video URL. To download more than one video at a time, you just add multiple URLs. By the way, you can also use this app to download all videos from a YouTube playlist just by adding playlist URL.

youtube downloader for mac

Step 2 Convert YouTube Videos to HTML5

After the URLs are added, YouTube Downloader Mac will list the formats and video quality available for download. To convert YouTube videos to HTML5 videos, you can go to the Format field and select the output format as MP4 and WebM. For HTML5 audios, just choose the output format as WebM, MP3, etc. You can also select any video quality that you want such as HD 720p and Full HD 1080p. Make sure you’ve selected what you want and click the arrow ↓ button to start downloading. To view the downloaded videos, just click the folder icon.

youtube downloader mac choose video format and quality

Hopefully this guide to convert flash to HTML5 would help you prepare 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.