Perfect For
Markdown for Developers
From README files to API documentation, markdown is the language of open source. Preview your project documentation instantly without leaving Finder.
Why Developers Choose Markdown
Universal format recognized by every major code hosting platform including GitHub, GitLab, and Bitbucket
Version control friendly - plain text diffs make code reviews simple and meaningful
Write documentation alongside your code in any text editor or IDE
Automatically rendered in repositories, making your projects more accessible
Simple syntax that doesn't interrupt your coding flow
Portable and future-proof - no proprietary formats or vendor lock-in
Common Use Cases
README Files
Preview your project's README.md to ensure it looks perfect before pushing. Check formatting, links, and images without switching to a browser.
API Documentation
Review API docs, endpoint descriptions, and integration guides. Markdown's code block support makes technical documentation readable.
CHANGELOG & Release Notes
Keep track of version history and release notes. Preview CHANGELOG.md files to ensure your release documentation is clear and well-formatted.
CONTRIBUTING Guides
Write welcoming contribution guides for your open source projects. Preview formatting for code of conduct, setup instructions, and PR guidelines.
Code Comments & Docs
Many documentation generators use markdown. Preview JSDoc, Rustdoc, or other doc comments rendered as markdown.
Technical Specs
Write and review technical specifications, architecture decision records (ADRs), and design documents in a format that lives with your code.
Why Markdown Peek?
- 1Quick Look integration lets you preview markdown files directly in Finder - select a file and press spacebar
- 2Browse through repository folders and instantly preview any README without opening an app
- 3Toggle between rendered preview and raw markdown to debug formatting issues
- 4GitHub-flavored markdown support ensures your docs look the same locally as they do on GitHub
- 5Syntax highlighting for code blocks in over 100 programming languages
- 6Fast and lightweight - won't slow down your workflow when browsing large repositories
