Buy QuickLens 1.8.3
One purchase unlocks the full suite of on-screen inspection tools for your Mac: zoom into pixels, sample colors, measure dimensions, and check alignments.
Try it first, or buy outright
QuickLens 1.8.3 is available as a 7-Day Free Trial and as a one-time purchase of $9.99. The app is optimized for OSX Yosemite (10.10) and later.
Every tool in the suite — Lens, Ruler, Frame, Guide, Tape, Monocle, and Crosshair — is included. Each can be used on its own or combined for maximum power on a given task.
System requirement: OSX 10.10 (Yosemite) or later. Check that your Mac meets the requirement before installing.
Questions before you buy? The User Guide walks through getting started, global hotkeys, themes, and preferences.
$9.99one-time
QuickLens 1.8.3 for Mac
- 7-Day Free Trial included
- All 7 tools: Lens, Ruler, Frame, Guide, Tape, Monocle, Crosshair
- Lens zoom from 1X to 64X
- Color sampling in Hex, RGB, HSL, and YCbCr
- Measurements in points, inches, centimeters, millimeters, and picas
- Requires OSX 10.10 or later
Three steps to get started
Getting QuickLens onto your Mac takes only a moment.
Start the trial
Begin with the 7-Day Free Trial and explore the full toolset on your own screen.
Read the guide
Skim the User Guide for getting started, global hotkeys, themes, and app awareness.
Buy the license
Purchase QuickLens for $9.99 whenever you decide to keep it installed on your Mac.
Seven tools, one purchase
Each tool is crafted for a precise on-screen task and can be combined with the others.
See the full Tool Overview or read about what's new in v1.8.3.
QuickLens is a suite of on-screen utilities built for macOS that help designers and developers examine their work with precision. Instead of guessing whether a margin is truly centered or a color truly matches the one on a spec sheet, you can zoom into pixels, sample colors, measure distances, and inspect alignments directly on the screen. The individual tools — Lens, Ruler, Frame, Guide, Tape, Monocle, and Crosshair — each target a different kind of check, and they can be used independently or combined to handle more involved visual tasks.
Color sampling is one of the central reasons to reach for a magnifier like this. QuickLens reads the color beneath your cursor and presents it in a range of useful formats, so you can pull swatches directly from an image, a canvas, or a running application. Combined with pixel-level zoom, the tool makes it straightforward to notice subtle defects such as an off-by-one edge, an unexpected antialiasing artifact, or a shifted element that would otherwise slip past during a quick review.
Measurement and alignment work happens through the ruler, tape, frame, guide, and crosshair components. These overlays let you check horizontal and vertical alignments, verify angles and square edges, draw reference grids, and compare elements against each other in real time. Measurements can be expressed in units such as inches, centimeters, millimeters, and picas, which makes the app equally at home in print layout work and in digital interface design where relative spacing and grid consistency matter.
The app is designed for recent versions of macOS, requiring a system running Yosemite or later, and it runs natively on Retina displays so that zoomed views stay crisp rather than pixelated. A free trial period allows you to try the full suite before deciding, while a one-time purchase covers every tool in the collection with no ongoing subscription. Keyboard shortcuts, light and dark themes, and notification options help the tools stay out of the way until the moment you need to check something down to the pixel.