Screen Ruler
UnclaimedInspect, measure, and extract web elements and assets directly in your browser.
Visit WebsiteFreemiumVisit Website
Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Consolidates multiple design and development tools into one extension.
Biggest con
Advanced features are locked behind a one-time purchase.
TL;DR - Screen Ruler
- Inspects web elements, measures distances, and extracts assets directly in Chrome.
- Offers tools for CSS analysis, accessibility checks, and SEO issue detection.
- Consolidates multiple design and development functionalities into one extension.
Pricing: Free plan available
Best for: Growing teams
What is Screen Ruler?
Screen Ruler is a powerful Chrome extension designed for web developers and designers to inspect elements, measure distances, extract assets, and validate designs directly within their browser. It provides a comprehensive suite of tools for analyzing web pages, from basic element inspection and distance measurement to advanced CSS analysis, accessibility checks, and SEO issue detection.
The tool helps streamline the web development and design workflow by consolidating multiple functionalities into one extension, eliminating the need for several standalone tools. It's ideal for ensuring design accuracy, identifying potential issues, and efficiently extracting necessary assets during the development process. The Pro version further enhances capabilities with features like asset extraction, responsive mode testing, technology detection, and advanced CSS visualization tools.
Pros & Cons
Pros
- Consolidates multiple design and development tools into one extension.
- Provides comprehensive inspection and measurement capabilities for web elements.
- Includes advanced features for accessibility, SEO, and responsive design testing.
- Offers a Pro version with powerful asset extraction and CSS visualization tools.
- Trusted by a large user base of developers and designers.
Cons
- Advanced features are locked behind a one-time purchase.
- Only available as a Chrome extension, limiting browser compatibility.
Key Features
Element Inspection (sizes, margins, paddings, tag names, IDs, classes)Distance Measurement between elementsComputed CSS viewing and copyingPage Rulers (horizontal and vertical guides with crosshair)Color Picker (eyedropper tool)Parent/Child Element Selection with keyboard shortcutsElement Screenshots with margins and measurementsAccessibility Issues detection (WCAG contrast failures)
Pricing
Freemium
Screen Ruler offers a generous free tier with optional paid upgrades for advanced features.
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Screen Ruler FAQ
How does Screen Ruler help with validating design accuracy?
Screen Ruler provides features like distance measurement, page rulers with crosshairs, and a customizable layout grid overlay (Pro version) to help designers and developers precisely measure elements, align components, and ensure their implemented designs match the original specifications.
What specific types of accessibility issues can Screen Ruler detect?
Screen Ruler automatically detects and highlights WCAG contrast failures, providing actionable recommendations to help users improve the accessibility of their web pages by ensuring sufficient color contrast for text and other elements.
Can I extract assets like SVGs and vector graphics with Screen Ruler?
Yes, with Screen Ruler Pro, you can extract and download images, SVGs, and other vector assets directly from any webpage, streamlining the process of gathering design resources.
How does the 'Technology Detection' feature work and what kind of information does it provide?
The 'Technology Detection' feature, available in Screen Ruler Pro, identifies the underlying frameworks, libraries, and tools used to build a website. It supports over 180 technologies, giving users insights into the technical stack of any given page.
Does Screen Ruler offer any unique features for inspecting CSS animations and transitions?
Yes, Screen Ruler Pro includes 'Animation Analysis' to visualize CSS animation timing curves and copy animation CSS properties, and 'Transition Inspector' to visualize CSS transitions and timing function curves, providing detailed insights into dynamic CSS effects.
Is it possible to convert an element's computed styles into Tailwind CSS utility classes?
Yes, Screen Ruler Pro features a 'Tailwind CSS Generator' that can instantly convert any selected element's computed styles into equivalent Tailwind utility classes, which is highly beneficial for developers working with Tailwind CSS.
Source: screen-ruler.com