Best Html5 Adobe Flash Mozilla Addons Alternatives

Принудительный вызов HTML5 плеера ВКонтакте даже при наличии Adobe Flash (можно отключить это поведение в настройках аддона).
Force load of HTML5 video player of vk.com even when Abode Flash is avaliable.

Switch All YouTube™ Videos to Flash® Player

Sets Flash objects to 'Low Quality' to improve performance on slower platforms (i.e. older computers, netbooks, and Firefox Mobile).

Controls as and when to display the Flash player and the HTML5 player.

Stops autoplay of YouTube HTML5 videos (WebM). It is Flash-Block equivalent for HTML5 videos.

No need flash plugin on embeded youtube movies

Stops video autoplay and shows the preview thumbnail.

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

Support for replacing the player on YouTube site is in development.

Hide the flash plugin from blocked sites.

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less material resources (CPU, RAM) if your PC doesn't easily support HTML5 videos. Try it!

Toggle to disable/enable HTML5 video.

This extension replaces the Flash player found on the new DI.fm beta website with an HTML5 player. Very basic, but gets the job done.

⚠️ HTML5 video is now YT's default*

This Add-on adds the &html5=1 option to YouTube-URLs during page load. This happens without any user interaction, like clicking a button. Simply turn this Add-on on or off, whether you want to use it or not.

YouTube HTML5 converter

С помощью этого дополнения Вы сможете смотреть самые качественные телеканалы Все каналы работают на базе проигрывателя Adobe Flash, т.е. Вам не нужно устанавливать дополнительно никаких плагинов.

This addon converts old-style flash embeds into new-style iframe embeds. This allows for HTML5 playback without flash.