Privacy Policy

1. Information We Collect

This Service does not require registration. Calculator values—including salary, health and transaction amounts—and the calculations themselves are processed in your browser and are not sent to the application server. The exchange-rate feature is the exception: to retrieve public rate data, it sends the selected currency codes, lookup period and any specific lookup date to this Service's same-origin API. The amount being converted is not included in that request. To preserve records between visits, the following tools store these items in browser localStorage: (1) BMI calculator — height, weight, measurement date and resulting classification. (2) Ovulation calculator — last period start date, cycle length, period duration, calculated ovulation date, daily basal temperature, symptoms, intensity and notes. (3) Bill splitter — settlement history and saved group and participant names. (4) VAT and scientific calculators — calculation history and memory values. (5) Exchange-rate calculator — favourite currencies, entered amounts and display settings. (6) Site-wide — theme and analytics-consent choice. Cycle, temperature and symptom records are sensitive health information, but they never leave the browser or reach the server or operator. You can delete local records with each tool's clear control or by clearing site data. If you submit feedback, the current page name, message and optional email address are sent to and stored by Google Forms so we can reply. To limit submissions and prevent abuse, the server derives a one-way, process-specific temporary identifier from the request IP and keeps it in memory for up to about 10 minutes; the raw IP is not retained in this rate-limit store.

2. Cookies and Automatically Collected Information

The following information may be automatically collected during your use of the Service.

• Service and exchange-rate requests: Hosting and server infrastructure may process IP address, request time, requested path and query (including exchange currency codes, period and lookup date), and browser/device information in standard access logs for delivery, caching, security and error diagnosis. The conversion amount and salary, health or transaction inputs from other calculators are not included in exchange-rate API requests.
• Google Analytics (Google LLC): Only after you expressly allow it in this site's Analytics settings, usage and technical data such as page views, visit duration, approximate location derived from IP address, device and browser information, and online identifiers may be processed to measure and improve the Service.
• Google AdSense (Google LLC): On monetizable content pages, the AdSense tag may load separately from your Analytics choice so it can display Google's European regulations message and transmit advertising choices. In applicable regions, Google's CMP manages advertising consent under the IAB TCF. Depending on your choice and applicable law, cookies, web beacons, IP addresses, device information, and other online identifiers may be processed to deliver and measure ads, limit frequency, prevent fraud and abuse, and—where you have consented—personalize advertising.
• The Google Analytics tag does not load until you expressly allow it in this site's Analytics settings. That choice applies only to Analytics and neither allows nor refuses AdSense advertising. The AdSense tag may load on monetizable content pages before an Analytics choice so it can provide the Google CMP, but it does not load on the Privacy Policy, Terms, About, Contact, Editorial Policy, guide index, or error pages. Google AdSense uses the TCF signal generated by Google's CMP. Google and its partners may process information as described at https://policies.google.com/technologies/partner-sites. Non-personalized ads can still use cookies or identifiers for frequency capping, aggregated reporting, and fraud prevention.
• Where applicable, you can reopen and change the Google CMP advertising choice through Advertising privacy settings in the footer. You can manage personalized-ad choices at https://adssettings.google.com and find additional industry opt-out choices at https://www.aboutads.info/choices.

3. Purpose of Data Processing

Collected information is used only for the following purposes.

• Service usage statistics analysis and improvement
• Advertising delivery, measurement, frequency capping and—only with the required consent—personalization (Google AdSense)
• Error diagnosis, security, fraud prevention and abuse detection

4. Data Retention and Deletion

The Service does not operate accounts or an application database that stores calculator inputs. If exchange currency/period/date queries and standard request information are recorded in operational logs, their retention follows the hosting infrastructure's configuration and policy. The pseudonymous feedback rate-limit identifier expires from server memory within about 10 minutes and disappears earlier if the process restarts. Feedback submitted through the widget—the current page name, message and optional email—is retained in Google Forms until the operator deletes the response. Google Analytics and AdSense data follow their respective retention policies. Browser localStorage data is deleted when you clear it or reset browser data.

5. Third-Party Sharing

We do not sell your personal information. Google may receive usage, device, IP-address and online-identifier data through Google Analytics when you allow Analytics, and through Google AdSense when your Google CMP advertising choice and applicable law permit it. Those choices are independent. Google acts under its own terms and privacy policy; see https://policies.google.com/technologies/partner-sites. Feedback you submit — the current page name, your message and your email address if provided — is stored by Google Forms (Google LLC), the form service we use.

6. Your Rights

You can exercise the following rights at any time.

• Block or delete cookies through your browser settings
• Delete localStorage data directly
• Change your Google Analytics choice at any time through Analytics settings in the footer. On pages where Advertising privacy settings is shown, you can reopen and change the Google CMP advertising choice. The Analytics choice does not change the advertising choice. Withdrawal does not affect processing that occurred before withdrawal.

7. Contact

For privacy-related inquiries, please contact us at:

Email: admin@teck-tani.com