A short, plain-English explanation of what this toolkit does and doesn't do with your information.
Every calculator in this toolkit runs entirely in your browser. The numbers you type in — load weights, MBL, angles, WLL ratings — are never sent to a server, logged, or stored anywhere outside your own device. There are no accounts, no forms that submit data anywhere, and no backend at all behind these tools.
None of the values you enter into any calculator are collected, transmitted, or retained. We store exactly one thing locally on your device:
This toolkit does not currently use analytics or advertising services, so no browsing data, device information, or usage statistics are collected by us or by any third party through these pages.
These pages don't set cookies. The only thing stored is your theme preference, using your browser's localStorage — this is different from a cookie, isn't transmitted to any server, and can be cleared at any time from your browser's settings.
This toolkit uses one third-party service:
fonts.googleapis.com, which may see your IP address as part of that request. See Google's privacy policy for details.These calculators provide general working checks based on standard formulas and common industry practice — they are not a substitute for a certified lifting plan, manufacturer documentation, or sign-off from a competent person or engineer. Always confirm results against the actual rated equipment, tags, and certificates before any lift.
This toolkit is a general-purpose set of engineering reference calculators, not directed at children, and we do not knowingly collect information from anyone, of any age.
If this policy ever changes — for example, if a future feature needed to store or send more than a theme preference — this page will be updated and the date at the top will reflect the change.
Questions about this policy can be directed to whoever provided you with this toolkit.