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Interactive lunar phase simulator showing dual top-down orbital geometry and Earth-based illuminated moon phase visualization.
About this tool
Interactive lunar phase simulator showing dual top-down orbital geometry and Earth-based illuminated moon phase visualization.
Moon Phase Simulator is a free science tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open Moon Phase Simulator on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
A focused workspace for one-off content, data, or planning jobs — open it, use it, done.
Start with a rough input and iterate until the result matches exactly what you need.
Copy or download the output for your project, document, or daily workflow.
Yes — Moon Phase Simulator is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Moon Phase Simulator runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Interactive lunar phase simulator showing dual top-down orbital geometry and Earth-based illuminated moon phase visualization. It's built for quick, everyday science tasks with results you can copy or download straight away.
Yes — Moon Phase Simulator works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.