FAQ

Frequently Asked Questions

Common questions about Grid Maker, the grid drawing method, and how to use our free online tools.

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Features

Everything you need in a faq.

Is it really free?

Yes. All features are free forever. No hidden costs, no premium tiers for basic functionality. MIT open source license.

Do my images get uploaded?

No. Absolutely not. Everything runs in your browser using the Canvas API. Your images never leave your device.

Do I need to register?

No sign-up required. Just open the site and start using it. No email, no account, no password.

What image formats are supported?

Upload: JPG, PNG, GIF, WEBP (up to 20MB). Export: PNG (lossless), JPG (compressed), PDF (print-ready).

Can I use it offline?

Yes! Grid Maker works as a PWA. Install it on your device and use it without an internet connection.

How do I print with accurate measurements?

Select a paper size (A4, Letter, etc.), toggle 'Show Measurements' on, set your margins, and export as PDF. The rulers show real mm/inch dimensions.