Share Preview is a free and open source social media cards tester application for Linux. Using Share Preview, you can preview and test any website social media cards and check how it looks when sharing on Facebook and twitter. Currently it supports Facebook, twitter and Mastodon card meta data details. Social media cards are a way to display your website or webpage image, title, and description on social media platforms. Social Media Cards will help your website to get some love in social media. It is written in rust and released under GNU General Public License v3.0.