Privacy Policy

PRIVACY POLICY
Last Updated: May 14, 2026
1EQUATION OÜ (doing business as GrindEQ), registered in Estonia under registration number 14421159, with its registered address at Sepapaja 6, 15551 Tallinn, Estonia ("Company", "we", "us", or "our"), is committed to protecting your privacy.
This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website grindeq.com (the "Website"), use our online math/document conversion tools, or purchase GrindEQ software licenses. Please read this policy carefully. If you do not agree with the terms of this Privacy Policy, please do not access the Website.
  1. INFORMATION WE COLLECT
    We may collect information about you in a variety of ways. The information we may collect on the Website includes:
    • Personal Data: Personally identifiable information, such as your name, email address, and company name, which you voluntarily provide to us when you register an account, request technical support, or subscribe to our newsletter.
    • Derivative and Technical Data: Information our servers automatically collect when you access the Website, such as your IP address, browser type, operating system, access times, and the pages you viewed directly before and after accessing the Website.
    • Document Data: When you use our online/web conversion tools, we temporarily process the documents, equations, or text files you upload for conversion.
  2. PAYMENT INFORMATION AND THIRD-PARTY PROCESSING
    All financial transactions and software license sales are processed and fulfilled exclusively by Bright Market, LLC (dba FastSpring), our authorized global e-commerce provider and Merchant of Record.
    • We do not collect or store credit card numbers, billing addresses, or bank account details.
    • FastSpring collects your payment information directly and processes it according to their own strict security standards and privacy rules. You can review their policies at FastSpring Privacy Policy.
    • FastSpring shares with us only non-financial transactional data (such as your name, email address, corporate domain, and purchased license key) to allow us to deliver software registration codes and provide technical support.
  3. HOW WE USE YOUR INFORMATION
    Having accurate information about you permits us to provide you with a smooth, efficient, and customized experience. We may use information collected about you via the Website to:
    • Create and manage your GrindEQ customer account.
    • Deliver software registration keys and activation codes.
    • Provide reliable technical support and respond to customer service requests.
    • Process web-based document conversions (uploaded files are immediately and automatically deleted from our servers right after the conversion process is complete).
    • Prevent fraudulent transactions, security breaches, and illegal activities.
  4. DISCLOSURE OF YOUR INFORMATION
    We do not sell, trade, rent, or rent out your personal data to third parties for marketing purposes. We may share information we have collected about you in certain situations, including:
    • By Law or to Protect Rights: If we believe the release of information about you is necessary to respond to legal process, to investigate potential violations of our policies, or to protect the rights, property, and safety of others.
    • Third-Party Service Providers: We may share your data with third-party vendors who perform services for us or on our behalf, such as website hosting, email delivery, and analytics services (e.g., Google Analytics).
  5. COOKIES AND TRACKING TECHNOLOGIES
    We may use cookies, web beacons, tracking pixels, and other tracking technologies on the Website to help customize the Website and improve your user experience. Most web browsers are set to accept cookies by default. You can remove or reject cookies through your browser settings, but please note that such action could affect the availability and functionality of certain features on grindeq.com.
  6. DATA SECURITY AND RETENTION
    We use administrative, technical, and physical security measures to help protect your personal information. While we have taken reasonable steps to secure the personal information you provide to us, please be aware that no security measures are perfect or impenetrable, and no method of data transmission can be guaranteed against any interception or other type of misuse.
    We retain your account and purchase-related data for as long as your account remains active or as needed to provide you with technical support and comply with international legal obligations.
  7. YOUR PRIVACY RIGHTS (INCLUDING CALIFORNIA / US RESIDENTS)
    Depending on your location (including US states like California under CCPA/CalOPPA), you may have the following rights regarding your personal data:
    • The right to request access to and receive copies of the personal data we hold about you.
    • The right to request the rectification or erasure of your personal data.
    • The right to restrict or object to the processing of your data.
    To exercise any of these rights, please contact us at support@grindeq.com. We will respond to your request in accordance with applicable data protection laws.
  8. CONTACT INFORMATION
    For any questions regarding these Terms of Service, please contact us at:
    • Company: 1EQUATION OÜ
    • Address: Sepapaja 6, 15551 Tallinn, Estonia
    • Email: info@1equation.com or info@grindeq.com