Royalty-free, copyright-free, CC0: what the labels actually mean
A plain-English guide to the license words you see on free image sites, and what you can safely do with AI-generated images.
If you make videos, blog posts or games, you have probably downloaded images labelled "royalty-free", "copyright-free" or "CC0". They sound similar, but they promise different things. Knowing the difference saves you from takedown notices later.
Royalty-free
Royalty-free means you don't pay a fee every time you use the file. You may pay once (on paid stock sites) or nothing at all (on free sites like this one), and then you can use it again and again under the license terms.
Royalty-free does not mean "no rules". The license still sets limits. Most royalty-free licenses, including ours, forbid reselling the file as-is or uploading it to another stock site.
Copyright-free
"Copyright-free" is a casual phrase, not a legal license. People use it to mean "I can use this without getting in trouble". In practice it can mean three different things:
- The work is in the public domain (for example, very old artworks whose copyright expired).
- The creator gave up their rights, usually with a CC0 dedication.
- The site simply lets you use it for free, under its own license.
When a site says "copyright-free", look for the actual license page. That page is what protects you.
CC0
CC0 is a Creative Commons tool where the creator waives their copyright as far as the law allows. You can use, change and even sell the work without credit. It is the most permissive option, but the creator can't add conditions such as "don't resell this on another stock site".
Where AI-generated images fit
Copyright rules for AI-generated images are still developing and differ between countries. In some countries an image made purely by AI, without human creative input, may not be protected by copyright at all. In others the rules are less clear.
That is why RoyaltyFreeHub uses a simple, explicit license instead of claiming "no copyright":
- Free for personal and commercial use
- No attribution required
- Edit, crop and combine freely
- Don't resell the original files or build a competing stock site with them
You can read the full text on the License page.
Three habits that keep you safe
- Avoid anything that looks like a real brand, logo, character or person. An AI image can accidentally resemble something protected. We filter these out, but if you spot one, don't use it and press "Report this image".
- Keep the page link. Save the URL of the image page with your project files. If anyone asks where an image came from, you can show the license that applied.
- Change it a little. Cropping, adding text or color grading makes the image part of your own work and reduces the chance that it looks identical to someone else's.
Used this way, free AI images are a quick, low-risk way to fill thumbnails, headers and backgrounds without spending your budget.