FreeAstroAPI tools
Free astrology calculators and tools
Calculate a single astrology point in seconds or open a complete workspace for birth charts, horoscopes, transits, solar returns, and ephemerides.
Fast, focused results
Simple astrology calculators
Enter your birth date, exact time, and city to calculate one key chart point with its sign, degree, house, and interpretation.
Sun Sign Calculator
Find your exact Sun sign, zodiac degree, house placement, and focused interpretation.
Open toolMoon Sign Calculator
Calculate your natal Moon sign, exact lunar degree, house, and emotional interpretation.
Open toolRising Sign Calculator
Find your Ascendant sign and exact rising degree from your birth time and location.
Open toolMidheaven Calculator
Calculate your Midheaven sign and MC degree for career, vocation, and public life themes.
Open toolComplete workflows
Advanced astrology tools
Explore full chart calculations, predictive techniques, customizable visuals, and report-building workflows.
Birth Chart Calculator
Generate a natal wheel, planet positions, insights, and a full chart interpretation from birth data.
Open toolDaily Horoscope
Generate a personalized daily reading from birth data, current transits, timing windows, and daily anchors.
Open toolCustom Western Report
Build a deep report request with calculation parameters, evidence toggles, AI instructions, payload preview, and async polling.
Open toolEphemeris Table
Browse a monthly Western ephemeris with selectable planets, lunar points, and zodiac settings.
Open toolChart Designer
Customize a live natal SVG chart with editable colors, rings, line widths, visibility toggles, and exportable API config.
Open toolTransit Timeline
Render monthly transit windows, monthly insights, or yearly slow transits from a saved birth profile.
Open toolTransit Chart
Overlay planetary transits on a natal chart for any date and time, with selectable aspect layers and SVG export.
Open toolSolar Return
Find the exact yearly Sun return and render a relocated solar-return bi-wheel over the natal chart.
Open tool