Before you send a message, check if your question is already answered here.
Is Tool4i really free?
Yes — 100% free, forever. All 5 health tools are available with no subscription, no premium plan, and no hidden fees.
Do you store my health data?
No. All tool calculations run locally in your browser. Your sleep, steps, meals, weight, and birthday never leave your device.
How do I suggest a new tool?
Use the contact form above or email tools@tool4i.com. We genuinely build tools our community asks for — so tell us what you need!
How long does a reply take?
We aim to reply within 24–48 hours on business days. For urgent matters, email info@graphixhive.com directly.