qlImageSize for Mac

QuickLook image inspector for macOS

qlImageSize is a small macOS utility that augments the built-in QuickLook preview by showing useful image details inline. Rather than opening each file in an editor, you can see important attributes at a glance while browsing in Finder.

Visible image details

• File size and on-disk footprint
• Pixel dimensions (width × height)
• Image format and basic metadata

Formats it handles

• RAW camera files and other professional formats
• HEIC and JPEG variants
• PNG, TIFF, and common bitmap types

Benefits for daily use

The tool is designed for speed and simplicity: its interface is unobtrusive and lets you quickly assess images without launching separate applications. This saves time for anyone who routinely inspects large numbers of graphics and helps speed up workflows that depend on file dimensions or size.

Pricing and category

• Free to download and use
• Listed under Utilities & Tools for macOS

Suggested alternative

• Free — NotchNook, a recommended substitute that offers similar quick-preview functionality and format support.