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Star Chart Generator

Welcome to our free website for creating digital star map (star chart) posters! Our tool allows you to create a custom starmap featuring the stars and constellations visible from any location on Earth. Simply enter your location, choose the date and time you want to view the stars, and our tool will generate a stunning starmap poster featuring the sky as it would appear at that moment. You can customize the layout and color scheme to suit your preferences. With our digital starmap poster maker, you can bring the beauty and wonder of the night sky into your home or office. Try it out today and start exploring the cosmos in a whole new way!

Create your own customised Star Map poster, from the comfort of your home and download it as a high-quality digital file (SVG, PNG, PDF) to print, cut and frame with pride. Create a beautiful piece of art that is personalised with your choice of wording, size, style and night sky. Get your very own map for free today.
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An example starmap
An Example with background turned on


To find the latitude and longitude you can use this tool, simply enter your address and it will provide you with the coordinates. – Coordinate Tool (Link)

The time should be in the UTC (Universal Time) format, this ensures consistency between coordinates and the position of the night sky. - UTC Tool (Link)

Why use our tool

Our website is run on the client side, ensuring that your personal data is secure and private.

Our star map generator is designed to be incredibly fast, which means you can create a beautiful star map in just a few clicks. Whether you're creating a special gift for a loved one or simply want to decorate your home, our star maps are the perfect addition to any space.

We offer a range of file outputs to choose from, including SVG, PDF, and PNG. This means that you can customize your star map to fit your specific needs, whether you want to print it out on a high-quality poster or include it in a digital project.

So why should you choose our website to create your star map? Our fast and easy-to-use generator, combined with our secure client-side technology and variety of file outputs, make us the perfect choice for anyone looking to create a beautiful and unique star map. Start creating your own custom star map today!


  • Pressing "Preview" will render the design to the screen, the render is scaled and may not reflect the final images size.
  • Pressing one of the "Save" buttons will Cause the image to be saved to your computer.
  • Avoid copying directly from the preview window as it’s image has been scaled down and will be lower quality.

All our “builders” enable you to download as png files, pdf files and svg files. The download has been designed to be quick and doesn’t require a connection to a server. The download will go directly to your browsers downloads folder. PNGs are downloaded as high quality 300dpi or 72dpi images depending on the requirements of the design. The pdf and Svg formats allow you to easily adjust or resize designs later. All our apps are free to use and the downloads are royalty free.

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