Load Flash Video as HTML5 Automatically with FlashToHTML5 Safari Extension

Aug 15, 2011 - 9 Comments

Flash to HTML5 Video Player for Mac OS X

FlashToHTML5 is a great Safari extension that will attempt to load all YouTube Flash videos as HTML5 at the highest possible resolution, helping you to maintain a Flash-free Mac OS X installation and thus giving portable Macs more battery life by reducing CPU usage.

FlashToHTML5 plugin is a free download from the developers site

The extension serves the same purpose as the manual HTML5 experimental setting in YouTubes preferences, but if you don’t have a YouTube login then you can’t force HTML5 video anyway.

If you do have to use Flash for other reasons, it’s highly recommended to install a ClickToFlash plugin for Safari or enabling the included click-to-load Flash feature in Chrome, both offer the same benefits that prevent CPU hogging Flash video from automatically loading in the browser.

Nice find this morning from 9to5mac.

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Posted by: William Pearson in Mac OS X, Tips & Tricks


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  1. Moni Duettmann says:

    uNfortunately… that is.

  2. Moni Duettmann says:

    Ubfortunately YouTube meanwhile changed something, and the app doesn’t work anymore… :-(

  3. EldRick says:

    One good reason to continue to use Flash video is the program MySpeed, which allows you to set the playback speed faster or slow-mo, as it suits you, and retains the audio without pitch-shifting.
    Available for OS-X and windows, it makes YouTube and other internet video tolerable.

  4. DanIsAPfisher says:

    I’d just like to point out that the comment above by “Dan” to go to youtube/html5 is a “pfishing” attempt. Please avoid, and mods: please remove his comment.

  5. Dan says:

    Like John, I’ve already joined the HTML5 program at youtube, so vids that can be viewed in HTML5 are. Go to http://www.youtube.com/html5 to enable this for your account. Add ClicktoPlugin to Safari and you have all the Flash control needed for faster, Flash-free browsing.

  6. rsimon24 says:

    DO NOT DOWNLOAD!, its still crappy, laggy and videos never charge, stick to flash, till apple comes with this native.

  7. Chuck the Buck says:

    Flash blocker is good enough, use it when you need it and that’s it. The only use for Flash are annoying web ads, amiiright?

  8. John says:

    I already have this set in YouTube which to me is better than installing another plugin. HTML5 is faster for video anyway, I don’t know why Flash is still in use at all.

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