| What it does | Live screen size checker and display comparison tools
| Free online 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
| - Image compression with no visible quality loss
- Merge and shrink multiple PDFs
- Convert MP4 and MOV to GIF without watermark
- AI Excel formula generator from plain English descriptions
- Audio transcription with Whisper AI on-device
- ID photo watermark protector
- HEIC to JPG conversion
- Office-to-PDF converters (Word, Excel, PowerPoint, URL)
- Tools run offline after page loads
- File encryption
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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
| - All processing happens on your device—nothing is sent to servers or stored
- Open source code auditable on GitHub
- No accounts required; works instantly
- Built specifically for sensitive files that should never be uploaded
- No data collection, ads, or analytics on files
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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 | 8 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 31 | 22 |
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| Referring domains (Majestic) | 141 | 12 |
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ScreenSize.net