Peek
Peek is a macOS Quick Look extension that adds richer file previews, text search, line and page jumping, and syntax-highlighted viewing in Finder.
What is Peek?
Peek is a native macOS Quick Look extension for people who want more capable file previews in Finder and other apps that use Quick Look. It helps users inspect supported documents without fully opening them, making it useful for developers, writers, and anyone who works with text-based files. Peek adds features such as searching within previews, jumping to line or page numbers, restoring scroll position, and viewing Markdown with formatting and a generated table of contents. It also supports syntax highlighting with selectable themes, which can make source code and structured text easier to read at a glance. The app is published by Big Z Labs LLC and is designed for Mac workflows where fast previewing can save time during file browsing and review.
Key features
- Search within supported Quick Look previews
- Jump directly to line numbers or pages
- Preview Markdown with formatting and a generated table of contents
- View code and text with syntax highlighting themes
- Restore scroll position when reopening previews
- Work from Finder and other apps that support Quick Look
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Safety overview
Status: Mostly safe
Peek is legitimate Mac software for extending Quick Look, and the permissions it may request are tied to its preview shortcut features. Accessibility access and related input monitoring prompts are notable but are described as part of enabling keyboard-driven Quick Look actions. That level of access is more sensitive than a simple viewer app, so it is best to grant it only if you use those features and keep macOS privacy permissions limited to what you need. Removing Peek mainly affects its enhanced preview functions rather than your files themselves.
Recommendation: Keep Peek if you regularly rely on advanced Quick Look previews for Markdown, code, or supported document types. If you no longer use its preview enhancements, you can remove it without harming your documents, though Finder will lose the extra search, jump, and formatting features that Peek adds.
Common paths
/Applications/Peek.app
Container paths
~/Library/Group Containers/9V456WSURS.com.bigzlabs.peekgroup
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