YayText is a tool for for creating https://yaytext.com/bold-italic/, https://yaytext.com/bold-italic/, https://yaytext.com/strike/, https://yaytext.com/script/, https://yaytext.com/bubble-text/, https://yaytext.com/tiny-text/, https://yaytext.com/emoji/ https://yaytext.com/emoji/, and more using unicode characters. Text made with this tool can be pasted into Facebook and Twitter posts, etc.
