This is a Firefox Addon that redirect youtube URL to the embed version to have a cleaner interface for free.

installation

• git clone or export this repo
• go to page "about:debugging#/runtime/this-firefox" (or "about:debugging" then click "This Firefox")
• click on "Load Temporary Add-on…"
• select "manifest.json" file

to have it in private navication

• go to "about:addons"
• select the extension
• for the line "Run in Private Windows", click "Allow"

usage

Load any URL like this : "https://www.youtube.com/watch?v=xxxxx" (click link or enter in the address bar), it will change it to "https://www.youtube.com/embed/xxxxxxxx" and load this page instead.