Floating Protractor

by sinam7 · sinam7.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Measure angles on any webpage with a floating protractor tool

Users

158

+24 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#71K

#59K among extensions

Version

1.0.0

updated 10 Jun 2026

Users

monthly, 11 months

Latest, 18 Oct 2026: 158 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months

Latest, 18 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Floating Protractor

📐 Measure angles on any webpage Click extension icon → Drag blue/green lines → See angle instantly Perfect for design validation, CSS rotation checks, and geometry learning. Key Features - Precise 0.1° measurement with dual reference lines - Resize, rotate, and lock position - 15° grid snap for common angles - Shows both inner and outer angles → Developers: Verify CSS transforms and SVG angles → Designers: Check diagonal layouts and rotated elements → Students/Teachers: Learn geometry with online materials Privacy First - No data collection - Works completely offline - No external server connections How to Use 1. Click extension icon (or right-click menu) 2. Drag blue/green handles 3. Angle appears in center Works on all websites | Free | No ads