Screen Ruler VS Pixelscan.dev

Chrome extension to inspect elements, measure pixel distances, extract colors and assets, view computed CSS, and validate designs.

Free online tool to detect browser fingerprints, bot automation, VPN/proxy usage, and fingerprint spoofing. Test your digital footprint instantly.

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Precise On-Screen Measurement
Screen Ruler allows users to measure objects on their screen in pixels, centimeters, inches, and other units with high precision, making it ideal for designers and developers who need accurate measurements.
Lightweight and Simple
The application is very lightweight and easy to use, requiring minimal system resources. It doesn't need complex installation and can be picked up quickly without a steep learning curve.
Multiple Measurement Modes
Screen Ruler offers various measurement modes including horizontal, vertical, and 2D measurements, giving users flexibility in how they measure on-screen elements.
Customizable Appearance
Users can adjust the ruler's appearance including transparency, color, and orientation, making it adaptable to different backgrounds and workflows without obstructing the view of the content being measured.
Useful for Design and Development
Screen Ruler is particularly valuable for web designers, UI/UX designers, and front-end developers who need to verify spacing, alignment, and sizing of elements directly on screen without switching to other tools.

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Screen Ruler is a handy, lightweight tool for measuring on-screen elements in pixels, making it a reliable choice for anyone needing precise digital measurements.

Pixelscan.dev is a solid free tool for checking browser fingerprinting, IP reputation, and anti-detect browser configurations, making it useful for privacy-conscious users and professionals who need to verify their anonymity setup.

Provides detailed fingerprint analysis including canvas, WebGL, fonts, and audio fingerprinting
Detects inconsistencies in browser configurations that could reveal automation or spoofing
Checks IP reputation and detects VPN/proxy/datacenter IP usage
Useful for testing anti-detect browsers and multi-accounting setups
Free to use without requiring registration
Provides actionable insights on what fingerprinting vectors need improvement

Web scraping professionals testing bot detection evasion
Digital marketers managing multiple ad accounts
Privacy-focused users wanting to verify their browser's anonymity
QA testers validating anti-fingerprinting tools
Users of anti-detect browsers like Multilogin or GoLogin checking configuration effectiveness
Security researchers studying browser fingerprinting techniques