Instantly preview source code files directly in macOS Finder. No IDE, no config — just lightning-fast syntax highlighting right where you need it.
Designed to feel like it shipped with macOS.
If you can write it, FinderPeek can highlight it — powered by Tree-sitter parsers.
Zero startup time. Built with Swift and optimized for Apple Silicon — previews appear before you blink.
Your code is your business. All parsing and rendering happens locally. No telemetry, no cloud calls — ever.
Hooks directly into macOS Quick Look. Press Space and see your code rendered beautifully without changing your workflow.
FinderPeek adds rich code previews to macOS Quick Look. Select any source file in Finder and press Space — FinderPeek renders syntax-highlighted, readable code instantly using Tree-sitter parsers, without opening an editor or IDE. It supports 30+ languages, runs natively in Swift for near-instant loading on Apple Silicon, and never sends your code anywhere: all parsing happens on-device.
No — FinderPeek is a one-time $4.99 purchase on the Mac App Store. No subscription and no in-app purchases.
30+ languages with proper syntax highlighting, powered by Tree-sitter parsers — covering the vast majority of code you'll encounter day to day.
No. All parsing and rendering happen locally on your Mac. FinderPeek makes no telemetry or cloud calls.
No — FinderPeek hooks directly into macOS Quick Look, so pressing Space on a selected file in Finder is all it takes.