HTML5 Video Tag Enhancer is a free Chrome add-on developed by Kunihiro Ando. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This program aims to enhance your video watching experience by providing various features and options.

When you visit a webpage with video tags, you will see an icon in the address bar of your browser indicating the availability of this add-on. Simply left-click on the icon to open a pop-up window, or right-click and select "Options" to access the settings.

HTML5 Video Tag Enhancer offers a range of features including color adjustment, a 10-band graphic equalizer, chorus, delay, reverb, playback rate control, and loop functionality. These features allow you to customize the video playback according to your preferences.

The latest version, v2.1, includes bug fixes, while v2.0 introduced a Picture-in-Picture feature. Additionally, v1.5 added a target tag and panel tab for improved usability.

Overall, HTML5 Video Tag Enhancer is a useful Chrome add-on for enhancing your video watching experience. It provides a range of features to customize video playback and is available for free on the Chrome Web Store.