1.Unsplash

With Unsplash you can do a precise search by keywords or just explore its library of available images organized in different collections. If you are looking for photos for the design or lifestyle industry you are in the right place here. The modern, clean and minimalistic style is predominant in the Unsplash’s photos.

2.StockSnap

This site allows you to refine your search according to different criteria, for example the popularity of the images. It is a pretty useful tool because it gives you an idea of what types of images are best appreciated by the general public. The ranking also allows you to see which images are the least downloaded so you can choose the less popular visuals if you want to be sure that your customers haven’t already seen them in other emails.

3.Pexels

This is the best site for you if you don’t have an exact idea of what you are looking for and if you just want to browse some images. Organized in categories, photos here can be the ones that will inspire you for the content of your next newsletter and not the other way around.

4.Free Stock Photos

Free Stock Photos offers a little more limited image bank but its content is organized in many categories. If you are looking for photos that do not have much circulation on the Internet but you can’t afford a photographer for the occasion, Free Stock Photos is the right site for you.

5.Pixabay

Pixabay has more than 910,000 images available: photographs, illustrations or vector graphics, you can find a little bit of everything. Even short videos! The advanced search option allows you to filter results by image types, dimensions, category, orientation, and color.