Google Advanced Image Search can search for images by the terms of the license. However, this functionality is not foolproof. Always check the terms of use for individual sites.
Looking for high resolution stock photos for your illustration, comp or design needs? Search morgueFile for free reference images. Yes, they're all completely free. whether you're an illustrator, art director, instructor or looking to add a defining visual to a presentation.
All photos on Pexels are licensed under the Creative Commons Zero (CC0) license. This means the pictures are completely free to be used for any legal purpose.
All photos on StockSnap fall under the Creative Commons CC0 license. That means you can copy, modify, distribute any photo on the site, even for commercial purposes, all without asking permission.
All photos published on Unsplash are licensed under Creative Commons Zero which means you can copy, modify, distribute and use the photos for free, including commercial purposes, without asking permission from or providing attribution to the photographer or Unsplash.
NGA Images is a repository of digital images of the collections of the National Gallery of Art. On this website you can search, browse, share, and download images.
Images available for educational use are designated with the acronym OASC. These may be used online with an attribution to the Met but cannot be altered.