Privacy Policy

1. Overview and Scope

At SheetFlow ("we," "our," or "us"), accessible via https://www.sheetsflow.xyz, the privacy of our visitors is of paramount importance. This Privacy Policy outlines the types of personal and technical data that may be collected or processed when you visit our website, how that data is used, and your rights regarding your personal information.

This policy applies exclusively to our online activities and is valid for visitors to our website regarding information shared with or collected by SheetFlow.

2. Client-Side Tool Processing & Data Privacy

A core architectural principle of SheetFlow is client-side data privacy. Interactive utilities provided on this website—including our Formula Explainer, Date Calculator, and CSV / Delimited Text Cleaner—execute entirely in your browser using client-side JavaScript.

3. Information We Collect

A. Information You Voluntarily Provide

If you contact us directly via email (contact@sheetsflow.xyz) or submit an inquiry through our contact form, we collect the details you provide (such as your name, email address, subject, and the contents of your message) solely to respond to your inquiry.

B. Standard Server Log Files

Like virtually all website hosting platforms, our hosting provider (such as Vercel) logs standard technical visitor requests. These log files may record internet protocol (IP) addresses, browser type, internet service provider (ISP), referring/exit pages, date/time stamps, and approximate general geographic region. These logs are used solely for website security, preventing distributed denial of service (DDoS) attacks, diagnosing technical errors, and administering the site. They are not linked to personally identifiable information.

4. Cookies and Web Storage

Cookies are small text files stored on your device by your web browser. SheetFlow currently uses only essential technical session storage or local storage required for site navigation, user preferences (such as dark/light interface state if selected), or tool session state.

You can configure your browser to refuse all cookies or to alert you when a cookie is placed. Note that disabling essential browser storage may affect site styling preferences.

5. Third-Party Services & Advertising Disclosures

SheetFlow is built to comply with global privacy frameworks and Google Publisher Policies. We maintain full transparency regarding third-party services:

• Analytics Readiness: We do not deploy intrusive user-tracking beacons. In the future, if aggregate privacy-preserving analytics (such as Google Analytics 4 or privacy-focused analytics) are implemented to understand reader navigation, this policy will be updated with opt-out mechanisms.
• Google AdSense & Advertising Networks: SheetFlow may partner with third-party advertising networks, including Google AdSense, to display non-intrusive advertisements that help fund free educational content.
• Third-Party Vendor Cookies: Third-party vendors, including Google, use cookies (such as the DoubleClick cookie) to serve ads based on a user's prior visits to this website or other websites on the Internet.
• Managing Ad Preferences: Users may opt out of personalized advertising by visiting Google's Ads Settings at https://adssettings.google.com/ or by opting out of a third-party vendor's use of cookies for personalized advertising through www.aboutads.info.

6. GDPR and CCPA Data Protection Rights

Depending on your jurisdiction (including the European Economic Area under GDPR and California under CCPA), you hold specific rights regarding your personal information:

• The right to access the personal data we hold about you.
• The right to request rectification of inaccurate data.
• The right to request erasure of your personal data ("right to be forgotten").
• The right to object to or restrict processing of your personal information.
• The right to data portability.

Because we do not maintain user accounts or collect personal databases, we hold minimal, if any, personal information. To exercise any of these rights, please email us at contact@sheetsflow.xyz.

7. Children's Information

Protecting children's privacy online is of utmost importance. SheetFlow does not knowingly collect any Personal Identifiable Information from children under the age of 13. If you believe your child provided this kind of information on our website, we strongly encourage you to contact us immediately, and we will promptly remove such information from our records.

8. Updates to This Policy

We may update our Privacy Policy periodically to reflect technological changes, new educational features, or legal requirements. Any modifications will be posted directly on this page with an updated revision date.