Features
Professional measurement tools in a free, browser-based app. No installation, no sign-up.
Polygon Tool
Trace irregular shapes point-by-point. Right-click or click the first point to close.
Rectangle Tool
Click and drag for quick rectangular measurements.
Length Measurement
Measure linear distances between any two points.
Scale Calibration
Set a known dimension on the plan to convert pixels to real-world units.
Unit Conversion
Toggle between sq ft and sq m. Supports feet, meters, inches, and centimeters.
Categories
Group measurements by room type or project phase with subtotals.
Project Files
Download projects as JSON. Re-upload to pick up where you left off.
Auto-Save
Work is saved to local storage automatically. Close the tab and come back later.
Zoom & Pan
Scroll to zoom, drag to pan. Pinch and two-finger gestures on touch devices.
JPG, PNG & PDF
Upload images or PDFs. PDFs are rendered at high resolution via PDF.js.
Export & Import
Save and load .json files with image, measurements, categories, and scale.
100% Client-Side
All processing in your browser. No server uploads, no accounts, no tracking.