Privacy Policy

How we collect, use, and protect your personal information.

Minimal Data

We only collect what's necessary

Never Sold

Your data is never sold to anyone

Your Rights

Full control over your data

Overview

GrimSlate ("we", "us", "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and services.

The short version: We collect minimal data, store your army lists locally, and never sell or share your personal information with third parties for marketing purposes.

Information We Collect

Account Information (Registered Users)

If you choose to create an account, we collect:

  • Email address — Used for account authentication, password recovery, and important service notifications
  • Display name — Used to personalize your experience and identify you within the service
  • Army lists — Synced to cloud for cross-device access (with your consent)

Data Stored Locally (All Users)

The following data is stored in your browser's local storage:

  • Army lists — Your created rosters, including unit selections and configurations
  • App preferences — Display settings and UI preferences

This data never leaves your device unless you choose to sync it with an account.

Usage Analytics

We collect anonymous usage data to improve our service:

  • Page views and navigation — Which sections of the website you visit
  • Feature usage — Which features are most popular
  • Technical information — Device type, browser, and general geographic region
Important: This analytics data is used exclusively for internal purposes to improve the service. We do not sell, share, or provide this data to any third parties for advertising or marketing purposes.

How We Use Your Information

We use collected data to:

  • Provide and maintain the service functionality
  • Authenticate users and manage accounts
  • Sync army lists across devices (for registered users)
  • Understand usage patterns to improve the application
  • Send essential service notifications (account-related only)
  • Diagnose and fix technical issues

Data Sharing & Third Parties

We do not sell your personal data. Your information is never traded, rented, or sold to third parties for marketing, advertising, or any other commercial purpose.

We may share data only in these limited circumstances:

  • Service providers — Hosting, authentication services, and database providers who process data on our behalf
  • Legal requirements — If required by law, court order, or governmental authority
  • With your consent — When you explicitly authorize sharing

Data Retention

  • Account data — Retained while your account is active. You may delete your account at any time.
  • Local storage data — Stored indefinitely in your browser until you clear it.
  • Analytics data — Aggregated data is retained for up to 24 months for trend analysis.

Your Rights

Under applicable data protection laws (including GDPR for EU residents), you have the following rights:

Right to Access

Request a copy of all personal data we hold about you

Right to Rectification

Correct inaccurate or incomplete personal data

Right to Erasure

Request deletion of your personal data and account

Right to Portability

Export your data in a machine-readable format

To exercise any of these rights, please contact us at command@grimslate.com

Cookies & Your Choices

We use cookies and local storage to improve your experience. You have full control over what data we collect:

  • Strictly Necessary — Required for authentication and basic functionality. Cannot be disabled.
  • Anonymous Analytics (Default) — Aggregate usage data only. No personal identifiers. No cross-session tracking. Helps us improve the site.
  • Enhanced Analytics (Opt-in) — With your consent, we remember you across sessions for a personalized experience.
Your Choice: You can manage your cookie preferences at any time by clicking the "Cookies" link in the footer. Anonymous analytics are enabled by default (no consent required under GDPR for aggregate data). Enhanced analytics require explicit consent.

We do not use third-party advertising or marketing cookies.

Children's Privacy

GrimSlate is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately at command@grimslate.com.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of any material changes by posting the updated policy on this page with a new "Last updated" date. For significant changes affecting your rights, we will also send an email notification to registered users.

Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us:

command@grimslate.com

Last updated: January 2026