Post Previews allows you to preview exactly how your posts will look across all social networks before you post.
You can even see how your text, images, links, and videos will look in the context of your selected social networks.
How to Preview Your Posts
1. When composing a new message, click on Preview on the bottom left.
2. You'll be presented with a new window, allowing you to preview the post in each network you've selected to post to.
What Can I Preview?
With Post Previews, you can see how your video post, single & multi-image post and even link posts will look before you post it.