Images on the web are usually protected by some copyrights, And if we use those images without permission is illegal. Everybody doesn’t have the budget to buy these licensed photographs and images.
That’s why we need images with public domain and CC0 license.
What is a public domain image?
Public domain images are considered to those images, clip-art, vector whose copyright either has expired or never existed.It means you can use these photos for your commercial use as well as for your personal use. You must be aware of copyright categories, here’s a quick overview of the three main types:
Public Domain-
public domain images are those whose copyrights have expired or whose creators
have relinquished their all rights to the works.
Royalty Free-
Royalty-free images simply mean that if someone purchases an image and pays its fee as well they can use
the image without paying additional royalties or licensing fees. It means the purchaser doesn’t need to give any attribution while using those images.
CC0 images-
CC0 stands for creative Common zero images. CC0 images imply that its owners have released their works with no restrictions at all.
Public Domain or CC0-Licensed Images can be used by anyone for any purpose like you can use for blog, website, app, and for social media as well. Note that CC2.0 requires the user to give attribution for any use.
Here is a list of few website that provides cc0/ public domain images:
Pixabay-
Pixabay has a huge collection of high-resolution public domain photographs, vectors, illustrations.
Negative Space-
This site provides free high-quality Photos with no restrictions. Its all images are CC0 licensed images and completely free to use.
Unsplash-
Get the beautiful and very high-quality free photos from Unsplash.
Realistic Shots-
Collection of free stock photography for personal and commercial use. you can also get 7 new free photographs every day.