Marks Ummen

Marks Ummen is an Edge add-on publisher. It has published 1 Edge add-on, including Video Speed Manager. Its Edge add-on has reached 318 users.

Users: 318

Rating: 5.00 (1)

Total active add-ons: 1

Number of previously published add-ons: 0

Marks Ummen

Speed controller for HTML5 videos. Simply manage speed boost, slow down, advance and rewind using keyboard.