Simple Apps
A collection of simple, focused macOS utilities.
MarkdownViewer
A simple, native macOS app for viewing Markdown files — like Preview for images, but for .md files.
Download MarkdownViewer.dmg
v1.3.0
Requirements
- macOS 13.0 or later
- Universal binary (Intel + Apple Silicon)
Features
- Full Markdown support: headers, bold, italic, links, code blocks, lists, tables, images, strikethrough, task lists
- Syntax highlighting for fenced code blocks
- Dark mode support
- Open files via File menu, double-click, or drag & drop
- Copy raw Markdown or formatted rich text
Installation
- Download and open the DMG
- Drag MarkdownViewer to your Applications folder
- On first launch, right-click the app and select "Open" (required for apps not from the App Store)
JSONViewer
A simple, native macOS app for viewing JSON files — like Preview for images, but for .json files.
Download JSONViewer.dmg
v1.3.0
Requirements
- macOS 13.0 or later
- Universal binary (Intel + Apple Silicon)
Features
- Syntax highlighting: color-coded keys, strings, numbers, booleans, and null values
- Expand/collapse objects and arrays with click
- Error detection with line highlighting for invalid JSON
- One-click copy to clipboard
- Light/dark mode support
Installation
- Download and open the DMG
- Drag JSONViewer to your Applications folder
- On first launch, right-click the app and select "Open" (required for apps not from the App Store)
3DViewer
A simple, native macOS app for viewing 3D model files — like Preview for images, but for 3D models.
Download ThreeDViewer.dmg
v1.3.0
Requirements
- macOS 13.0 or later
- Universal binary (Intel + Apple Silicon)
Features
- Multiple format support: STL, OBJ, USDZ, PLY, and DAE files
- Interactive controls: orbit, pan, and zoom
- Wireframe mode toggle for inspecting model structure
- Auto-centering and scaling for optimal viewing
- Grid floor for spatial reference
- Light/dark mode support
Installation
- Download and open the DMG
- Drag ThreeDViewer to your Applications folder
- On first launch, right-click the app and select "Open" (required for apps not from the App Store)