Marked is a native macOS app for previewing Markdown and other text markup languages, as well as HTML and OPML files. You can see rendered, styled versions before publishing. Marked updates with changes whenever you save using the text editor of your choice. In combination with your favorite Markdown editor (or any text editor), Marked is an excellent writing tool. It provides a rich set of features for writers, including Spelling/Grammar checking, tips for simplifying your sentences, and word count, sentence count, sentence complexity, reading time and grade level scoring. Its export features make it easy to create beautiful documents from Markdown files. By the way, you’ll like that this handy Markdown viewer brilliantly runs with any local file, as well as iCloud documents. Spend less time thinking about syntax and formatting and more time creating, and eliminate errors and improve your writing as you go. A perfect app for making both technical and prose writers more productive.