Privacy Policy

Effective date: December 23, 2025

This Privacy Policy describes how Alkali Engineering, Inc. ("Alkali", "we", "us") collects, uses, and shares information in connection with the Service.

1. Information we collect

Account and profile

  • Email address and basic profile information provided by your identity provider (e.g., Google/Microsoft).
  • Organization and team information you provide (if applicable).

Customer Content (including annotations)

  • Files you upload (e.g., drawings, PDFs) and project data.
  • Markups, notes, measurements, and other annotations created in the Service.

Usage and device data

  • Feature usage, interaction events, logs, and performance data.
  • Approximate device/browser information (e.g., browser type, OS) and IP address.

2. How we use information

We use information to:

  • Provide, maintain, secure, and support the Service.
  • Process transactions and manage subscriptions (if applicable).
  • Monitor reliability, prevent abuse, and debug issues.
  • Improve the Service. In particular, we may use aggregated and/or de-identified signals derived from Customer Content (including annotations and metadata) to improve features and models. We do not sell Customer Content, and we do not publish customer drawings or annotations without permission.

3. How we share information

We may share information with:

  • Service providers (subprocessors): vendors that help us operate the Service (e.g., hosting, database, authentication, analytics, support tools). They may process information only on our instructions.
  • Legal and safety: if required by law or to protect the rights, safety, and security of Alkali, our users, or others.
  • Business transfers: in connection with a merger, acquisition, or asset sale.

We do not sell personal information.

4. Cookies and analytics

We use cookies and similar technologies to operate the Service and understand usage (e.g., performance measurement and product analytics). You can control cookies through your browser settings.

5. Data security

We implement technical and organizational measures designed to protect information. However, no system is 100% secure and we cannot guarantee absolute security.

6. Data retention

We retain information for as long as needed to provide the Service, comply with legal obligations, resolve disputes, and enforce our agreements. If you request deletion, we will delete or de-identify information consistent with applicable law and our legitimate business needs.

7. Your choices

  • Access/update account information through the Service.
  • Request deletion or export by contacting us.
  • If you want to opt out of product-improvement use of Customer Content-derived signals, contact founders@alkali-eng.com.

8. Children

The Service is intended for business use and not directed to children under 13, and we do not knowingly collect personal information from children.

9. Changes

We may update this Privacy Policy from time to time. If changes are material, we will provide notice via the Service or email. The effective date above indicates when this Policy was last updated.

10. Contact

Questions? Contact founders@alkali-eng.com.