noun which may take the genitive case particle 'no'
royalty-free
Describes content (images, music, etc.) that can be used without paying royalties, though other license terms may still apply. Often used attributively with の.
See also: ロイヤリティーフリー
You can download royalty-free images on this site.
I used royalty-free music for the video editing.
Compound of 著作権 (copyright) and フリー (free), modeled on English 'copyright-free' or 'royalty-free'.