| What it does | Compare two lists to find differences, matches, and near-duplicates
| 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 | - Support for multiple file formats: XLSX, XLS, ODS, CSV, TXT, and spreadsheet pastes
- Multiple output formats: side-by-side, combined, items only, or whole rows
- Copy or download results as TXT or CSV
- Save workflow settings on device for repeated comparisons
- View match details to inspect source rows and matching rules applied
- Processes lists in browser without uploading data
- Handle large datasets: test with 100,000 or 1,000,000 lines
| - 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 processing happens in your browser, so your lists never leave your device
- Free to use with no sign-up required
- Flexible matching rules that adapt to your data: case sensitivity, spaces, hidden characters, and leading zeros
- Works with data from Excel, Google Sheets, and plain text without any conversion needed
| - 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) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 12 |
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| Referring domains (Majestic) | 0 | 3 |
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BaziTools