Grid Maker
Free Online Grid Tool for Artists，
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Grid Maker - Free Online Grid Tool for Artists，

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Free & open-source grid tool for artists. 9 grid types — all free, unlike competitors who lock perspective grids, composition overlays & diagonal lines behind paywalls. Includes Art Projector, Paint by Number & Instagram Grid Splitter. 100% private, no sign-up, MIT licensed.

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Maker
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Here is the translation into English: I am a finance professional. Recently, my nephew has been learning to draw and uses composition techniques, which led me to design an online, free, and open‑source tool called GridMaker. In the future, I hope to add more useful features to it.

Finally tried this last night and the no-signup approach is so refreshing. The perspective grid alone makes it worth bookmarking, especially since most tools charge for that one.

The choice to keep perspective grids and diagonal overlays free while competitors gate them is genuinely refreshing for artists on a budget. Love that it runs locally with no sign-up too.

Maker

 Really appreciate that. As artists ourselves, we felt perspective grids and composition overlays are fundamental tools

that shouldn't be paywalled. Open source felt like the right move too — anyone can verify how the tool works and contribute. Thanks for the kind words!

Does the Art Projector feature work with any image file or are there specific format and size limits I should know about before loading my own reference photos?

Maker

 Yes, JPG, PNG, GIF, and WEBP are all supported. There's no hard file size limit — the tool processes everything locally in your browser. In practice, files under 20MB load instantly and work smoothest, but larger files will still work fine.