Disable ads will help you remove in video ads. Current, the addon working with fptplay site.

Also check out my interested add on below:
https://addons.mozilla.org/en-US/developers/addon/cross-domain-cors

Install

• License: MIT License
• Weekly downloads: 14
• Average daily users: 769
• Rating: 3.3333/5 of 6 ratings
• Created: 2015-09-24 09:15:36
• Last updated: 2017-10-18 17:00:09
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/disable-ads/
• API: @com.virtualjame.disableads