Ruler: Measure & Align

by mykola.mostovoi@gmail.com · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Pixel-perfect ruler, shape drawing & alignment guides

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#147K

#123K among extensions

Version

1.6

updated 28 Apr 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 21 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 4 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 Ruler: Measure & Align

Professional tool for pixel-perfect measurements and flawless layout alignment directly in your browser. Key Features: 📐 Precise Measurements: Instantly measure elements and draw custom blocks over any web content. 📏 Alignment Lines: Use visual guides to check if your content is perfectly level and consistent. ⚓️ Page Anchoring: Shapes "stick" to the page content and stay in place even when you scroll. ⌨️ Keyboard Fine-Tuning: Use arrow keys to adjust shape dimensions with 1px precision. 🚀 Lightweight & Fast: Designed for performance with zero bloat and no external dependencies. Essential for front-end developers, UI/UX designers, and anyone who demands perfection in web layouts.