Sjon
See your images. Instantly.
A fast, lightweight native image viewer for macOS. Open any image and browse the entire folder.
Download for macOS Free · macOS 15+ · Apple SiliconOpen one image. Browse the whole folder.
Double-click any image to open it, then navigate the entire folder with arrow keys, spacebar, or click on the left/right side of the image. Thumbnail bar for visual browsing.
Instant, even on large RAW files.
Built with Swift and AppKit for native speed. Preloads adjacent images for seamless navigation. Handles 40 MB RAW files over SMB without breaking a sweat.
Scroll to zoom. Drag to pan.
Smooth scroll-wheel zoom centered on cursor. Drag to pan. Fit-to-window, actual size, or auto-size window mode. Mini-map navigator when zoomed in.
Everything you need
Every Format
JPEG, PNG, GIF, HEIC, WebP, AVIF, TIFF, BMP, PSD, and RAW formats from Canon, Nikon, Sony, and more.
Zoom & Pan
Scroll to zoom centered on cursor. Drag to pan. Fit, actual size, or auto-size window. Mini-map when zoomed.
EXIF & Histogram
View camera info, lens, GPS, exposure settings. RGB histogram with log scale. Toggle with Tab.
Thumbnails
Scrollable thumbnail bar at the bottom for visual navigation. Click any thumbnail to jump to that image.
Rotation
Rotate clockwise or counter-clockwise. Copy to clipboard, reveal in Finder, delete to Trash.
Keyboard First
Arrow keys, spacebar, backspace, Tab, Escape. Every action has a shortcut. No mouse required.
Display Modes
Fit to window, actual size, or auto-size window to match the image. Persists between sessions.
Smooth Transitions
Crossfade animation between images. Preloads next and previous for instant transitions.
Native macOS
Built with Swift and SwiftUI. Lightweight, fast, and designed for macOS. No Electron, no web views.
Supported Formats
Available Languages
Simple. Free. Private.
No data collection, no analytics, no telemetry. Sjón runs entirely on your Mac. Requires macOS 15 Sequoia or later.