Hem — guidesGuides to reading, previewing and editing Markdown on macOS, from the people who build Hem.https://hem.md/enWhy AI answers are full of asterisks and hash signshttps://hem.md/blog/asterisks-in-ai-answers/https://hem.md/blog/asterisks-in-ai-answers/Pasted a ChatGPT or Claude answer and got ** andWed, 23 Sep 2026 00:00:00 GMTChatGPT gave me a .md file. How do I open it on a Mac?https://hem.md/blog/chatgpt-gave-me-an-md-file/https://hem.md/blog/chatgpt-gave-me-an-md-file/Why AI chats hand you .md files, what is inside one, and the quickest ways to read, edit and pass it on as Word, PDF or back to the AI on a Mac.Wed, 23 Sep 2026 00:00:00 GMTHow to edit a .md file without learning Markdownhttps://hem.md/blog/edit-md-file-without-markdown/https://hem.md/blog/edit-md-file-without-markdown/Fix a sentence, make text bold, add a heading, tick a checklist or add a table row in a .md file on a Mac, without typing a single Markdown symbol.Wed, 23 Sep 2026 00:00:00 GMTHow to turn a .md file into a Word document on a Machttps://hem.md/blog/md-to-word-on-mac/https://hem.md/blog/md-to-word-on-mac/Every practical way to get a .md file from ChatGPT or Claude into Word, Pages or Google Docs on a Mac, and what each does to tables and checklists.Wed, 23 Sep 2026 00:00:00 GMTWhat is a .md file? A plain-English explanationhttps://hem.md/blog/what-is-an-md-file/https://hem.md/blog/what-is-an-md-file/A .md file is a plain text document written in Markdown. What the symbols mean, why AI tools use it, and how to open, edit and convert one on a Mac.Wed, 23 Sep 2026 00:00:00 GMTTurning Markdown into a PDF on macOShttps://hem.md/blog/markdown-to-pdf-macos/https://hem.md/blog/markdown-to-pdf-macos/Five ways to get a PDF or a shareable HTML file out of a Markdown document on a Mac, including the ones that keep your diagrams and your maths intact.Sat, 12 Sep 2026 00:00:00 GMTMarkdown apps for the Mac, compared honestlyhttps://hem.md/blog/best-markdown-apps-mac/https://hem.md/blog/best-markdown-apps-mac/Nine Markdown tools for macOS, what each is genuinely best at, and which one to pick depending on whether you are reading, writing or keeping a repository tidy.Wed, 02 Sep 2026 00:00:00 GMTMermaid diagrams on a Mac, without a browser tabhttps://hem.md/blog/mermaid-diagrams-macos/https://hem.md/blog/mermaid-diagrams-macos/Where Mermaid renders on macOS and where it does not, which diagram types are worth using, and how to keep a diagram readable when it grows.Tue, 18 Aug 2026 00:00:00 GMTAGENTS.md, CLAUDE.md, and the docs your agent keeps rewritinghttps://hem.md/blog/reading-agents-md-claude-md/https://hem.md/blog/reading-agents-md-claude-md/Coding agents read and write Markdown all day. A practical setup for keeping those files readable, reviewable and current without living inside an editor.Wed, 29 Jul 2026 00:00:00 GMTWhy Markdown editors wreck your git diffhttps://hem.md/blog/markdown-git-diff-noise/https://hem.md/blog/markdown-git-diff-noise/A one-word fix arrives as a 300-line diff. Here is what WYSIWYG Markdown editors do to your file, why round-tripping loses information, and how to avoid it.Wed, 08 Jul 2026 00:00:00 GMTMarkdown previews in Finder’s Quick Lookhttps://hem.md/blog/markdown-quick-look-finder/https://hem.md/blog/markdown-quick-look-finder/How Quick Look extensions work on modern macOS, why pressing Space shows raw Markdown, and how to get a rendered preview that survives an OS upgrade.Fri, 19 Jun 2026 00:00:00 GMTHow to open .md files on a Machttps://hem.md/blog/open-md-files-on-mac/https://hem.md/blog/open-md-files-on-mac/Six ways to open a Markdown file on macOS, what each one is actually good for, and how to stop double-clicking a README from launching an IDE.Thu, 04 Jun 2026 00:00:00 GMT