birthchart.io

birthchart.io offers nine free tools in English and Simplified Chinese: birth charts, rising and Moon signs, today’s Moon phase, Saturn return, transits, synastry, solar return and Chinese zodiac. No account or download is required. Calculations run in your browser, with optional local memory for birth details that can be turned off or cleared. The site explains chart symbols, calculation methods and limitations. Astrological interpretations are symbolic material for reflection, not scientific predictions.