| What it does | Live screen size checker and display comparison tools
| Free on-screen measuring tools that run in your browser
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Live browser screen dimension detection
- Physical screen measurement in inches
- Screen comparison tool with size visualization
- PPI and aspect ratio calculators
- Source-backed device specification charts
- Device pixel ratio detection
- TV size calculator
- Online ruler tool
- Manufacturer-sourced device database
| - Actual-size ruler in cm, mm and inches
- Bank-card and screen-diagonal calibration
- Top, left and right rulers with drag-to-measure readout
- Full-screen mode and browser-zoom warning
- Image measurement tool
- Length unit converter
- Touch dragging support for phones and tablets
- Local storage of calibration without server uploads
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| What makes it different | - Local browser processing with no personal data storage
- Manufacturer-verified device specifications
- Comprehensive screen measurement for design and development
- True-size visual comparison without subjective estimates
- Distinction between CSS pixels, viewport, and native resolution
| - Calibration step compensates for browsers' inability to detect physical display size
- ISO/IEC 7810 ID-1 standard bank card calibration ensures reproducible accuracy
- All calculations run locally in your browser with no data sent to servers
- Works on any device with a browser and JavaScript enabled
- Content follows standards-based principles with no invented precision or fake reviews
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 25 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 2 |
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| Citation Flow (Majestic) | 31 | 18 |
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| Referring domains (Majestic) | 141 | 10 |
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ScreenSize.net
Online Ruler