Legal
Privacy Policy
Last updated: April 2026
The Short Version
0 bytes
of your financial data ever leaves your browser. All calculations run client-side.
No accounts
No signup required. Your inputs are saved in browser local storage only.
Your control
Clear your data anytime via browser settings. Opt out of analytics anytime.
What We Collect
Analytics (Google Analytics 4)
Pages visited, time on page, referral source, device type, approximate location (country level). All anonymized and aggregated. We cannot identify individual users.
Advertising (Google AdSense)
Google AdSense uses cookies for ad personalization. You can opt out at aboutads.info/choices.
Local Storage
Calculator inputs saved in your browser for convenience. Never transmitted. Clear anytime in browser settings.
Cookies
| Type | Purpose | Duration |
|---|---|---|
| Essential | Local storage for calculator inputs | Until cleared |
| Analytics | Google Analytics for site usage | 2 years |
| Advertising | Google AdSense for relevant ads | Managed by Google |
Third-Party Services
Your Rights
Clear your data
Delete local storage anytime through your browser settings.
Opt out of analytics
Install the Google Analytics Opt-out Add-on.
Opt out of personalized ads
Visit aboutads.info/choices or optout.networkadvertising.org.
Questions about this policy: hello@coastfirecalculator.io
This site is not directed at children under 13.