| What it does | Read your screen size, resolution and refresh rate live in your browser
| Free AI BaZi calculator with astronomical precision and plain-English life readings
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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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 screen resolution detection in CSS and physical pixels
- Device pixel ratio measurement
- Browser window size detection
- Display refresh rate checker
- Color range detection
- Physical screen size measurement with bank card
- TV size calculator by seating distance
- Dead pixel test
- Screen comparison tool at scale
- Refresh rate test
| - Four Pillars natal chart calculation with True Solar Time calibration
- Day Master personality archetypes and core element analysis
- 10-Year Da Yun luck cycle forecasting
- 78-pair Synastry matrix for relationship compatibility
- Daily Tong Shu Almanac with auspicious activities and taboos
- Birth-time rectification engine for unknown birth hours
- AI prompts for ChatGPT and Claude interpretation
- Zi Wei Dou Shu (Purple Star Astrology) cross-verification
- Deterministic solar-longitude ephemeris from 1900 to 2100
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| What makes it different | - All measurements run in your browser with no data sent to servers
- Uses bank card calibration to measure actual physical screen size
- Reference data cross-checked against manufacturers' spec sheets
- Distinguishes between diagonal screen size and width/height dimensions
- Shows real panel resolution accounting for display scaling and pixel ratio
| - Astronomical precision using True Solar Time and Equation of Time, not standard clock time
- Zero birth-data monetization and privacy-first browser-based computation
- 100% free with no signup, paywall or feature locks
- 24-hour human response SLA for technical and archival inquiries
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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) | 5 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 4 | 12 |
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| Referring domains (Majestic) | 4 | 3 |
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Screen Dimensions
BaziTools