What does birthchart.io do?
birthchart.io offers nine free tools in English and Simplified Chinese: a birth chart calculator, today’s Moon phase, rising sign, Moon sign, Saturn return, transits, synastry, solar return and Chinese zodiac. No account is required. Birth details are calculated in the browser, with optional local memory that users can turn off or clear. The site explains its calculation methods and limitations, and treats astrological interpretations as symbolic material for reflection rather than scientific predictions.
Who should use birthchart.io?
Astrology enthusiasts and people exploring their birth chart are the clearest fit based on how the product is positioned.
Best fit
Pricing: Free
Platforms: Web (desktop and mobile browsers)
How much does birthchart.io cost?
Free Check the provider’s own page for the latest pricing, packages and terms.
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 23 Oct 2026.
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