Privacy Policy

Last updated: 11 October 2026

This Privacy Policy explains how ring-sizer.app (“the Site”, “we”, “us”) collects, uses, and shares information when you visit the Site. The Site is operated by Ivica Lovrić, Croatia. For privacy questions or requests, email afingers.fashion@gmail.com.

1. Who we are (controller)

For personal data processed in connection with this Site, the data controller is Ivica Lovrić, Croatia. Contact: afingers.fashion@gmail.com. You can also use the Contact page.

2. What this Site does

Ring Size Converter is a free utility that converts ring sizes between US, UK, EU, and Japanese systems and millimeter diameter, and offers a printable ring sizer. Conversion calculations run in your browser. We do not require you to create an account.

3. Information we process

Depending on how you use the Site and which vendors load, we may process:

Technical and usage data — such as IP address, browser type, device type, approximate location derived from IP, pages visited, referrer, and timestamps (typically via analytics and advertising vendors).
Cookie and similar identifiers — used by us or third parties for analytics, advertising, fraud prevention, and remembering consent choices.
Communications you send us — if you email us, we process the content of your message and your email address to respond.

We do not ask you to submit ring sizes to a server account. Values typed into the converter stay in your browser session unless you choose to share them with us by email.

4. Legal bases (GDPR)

Where the EU/EEA General Data Protection Regulation (GDPR) or UK GDPR applies, we rely on:

Consent — for non-essential cookies and similar technologies used for personalized advertising and, where required, analytics (managed through Google’s consent / Privacy & messaging tools when enabled for this Site).
Legitimate interests — operating and securing the Site, understanding aggregate traffic, and responding to support requests, balanced against your rights.
Contract / pre-contract steps — where needed to respond to a request you initiate.
Legal obligation — when we must retain or disclose information to comply with law.

5. Cookies and similar technologies

Cookies are small text files stored on your device. Similar technologies include local storage, pixels, and SDKs. This Site may use:

Essential / security — needed to deliver the Site and remember consent choices.
Analytics — to understand how the Site is used (see below).
Advertising — set by Google AdSense and its partners to show ads, measure performance, and (where allowed) personalize ads.

You can control cookies through your browser settings and, where shown, through the consent message on the Site. Blocking some cookies may affect advertising or analytics.

6. Google AdSense and advertising partners

We use Google AdSense (publisher ID related to ca-pub-3230185311918030) to display advertisements. Google and its advertising partners may use cookies and similar technologies to:

Serve ads on this Site
Measure ad performance and prevent fraud/abuse
Personalize ads based on your interests where permitted by consent and policy

Google may process data as an independent controller or as described in its own policies. Learn more:

7. Personalized advertising and opt-out

Where personalized ads are used, you can manage ad personalization and opt out of interest-based advertising through Google and industry tools, including:

Consent for advertising cookies in the European Economic Area, UK, and other consent-required regions is handled via Google’s Privacy & messaging / Consent Management Platform (CMP) configured in AdSense for this Site. We do not use a separate paid third-party CMP. If a consent message appears, your choices there control whether personalized ads and related non-essential cookies are allowed.

8. Analytics

We use analytics to understand traffic and improve the Site:

Google Analytics (GA4) — measurement ID G-QHXDVCNJ5H, provided by Google. See the Google Privacy Policy and Google Analytics Opt-out Browser Add-on.
Vercel Analytics / Speed Insights — when enabled on our hosting platform (Vercel), may collect aggregated performance and usage metrics. See Vercel Analytics privacy information.

Analytics may use cookies or similar identifiers. Where required by law, these technologies are subject to your consent choices.

9. Hosting and infrastructure

The Site is hosted on Vercel. Server logs and edge infrastructure may process IP addresses and request metadata as part of delivering the Site securely. See Vercel’s Privacy Policy.

10. International transfers

Our vendors (including Google and Vercel) may process data in the United States and other countries. Where GDPR applies, transfers rely on appropriate safeguards such as Standard Contractual Clauses or other mechanisms described by those providers.

11. Retention

We retain email correspondence as long as needed to handle your request and for legitimate record-keeping. Analytics and advertising data retention is controlled by the respective vendors according to their settings and policies. You can request deletion of data we hold directly; for vendor-held data we will assist where reasonably possible.

12. Your rights

If GDPR or similar laws apply to you, you may have the right to:

Access your personal data
Rectify inaccurate data
Erase data in certain circumstances
Restrict or object to certain processing
Data portability
Withdraw consent at any time (without affecting prior lawful processing)
Lodge a complaint with a supervisory authority (in Croatia, the Croatian Personal Data Protection Agency — AZOP; or your local EU/EEA authority)

To exercise rights regarding data we control, email afingers.fashion@gmail.com. We may need to verify your request.

13. Children

The Site is not directed at children under 16. We do not knowingly collect personal data from children. If you believe a child has provided personal data to us, contact us and we will take appropriate steps.

14. Changes to this policy

We may update this Privacy Policy from time to time. The “Last updated” date at the top will change when we do. Continued use of the Site after changes means you are informed of the updated policy; where required, we will obtain renewed consent for cookies or ads.

15. Contact

Privacy questions and requests: afingers.fashion@gmail.com
Contact page: https://ring-sizer.app/contact/
Operator: Ivica Lovrić, Croatia