1. Introduction

Welcome to MixOfAll ("we," "our," or "us"). We are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you visit our website mixofall.com (the "Site").

2. How We Handle Data Across Our Tools

MixOfAll provides a wide variety of tools. To be completely transparent, we distinguish between our default browser-only tools, optional cloud features, and third-party integrations:

A. Standard In-Browser Tools (Calculators, Converters, Text, PDF & Worksheets)

100% Client-Side Processing: Everyday calculators, unit converters, text counters, worksheet generators, client-side PDF tools, and games execute entirely in your web browser using JavaScript and WebAssembly.
No Account Required: You never need to register, provide an email address, or log in to use standard tools.
Zero Server Uploads: Your entered numbers, documents, text snippets, and generated worksheets never leave your device and are never sent to or stored on our servers.

B. Optional Cloud Features (Exam Builder & Roster Planner)

Optional Google Sign-In: For tools offering multi-device synchronization (such as saving custom exam questions or employee rosters), you may optionally sign in using Google. Authentication is securely managed by Google Firebase Auth.
What Is Collected Upon Login: When you choose to sign in, Firebase securely receives your Google display name, email address, profile avatar URL, and a unique authentication identifier (UID) strictly to identify your account.
Optional Cloud Storage: If signed in, custom question banks, exam drafts, and roster schedules are stored in Google Cloud Firestore under your private account ID.
Guest Mode Always Available: You can use both the Exam Builder and Roster Planner in guest mode without logging in. In guest mode, your data is stored strictly in your browser's local storage.

C. Optional AI Assistant (Roster Planner DeepSeek Integration)

External AI Processing: The Roster Planner includes an optional AI assistant designed to help draft and balance employee schedules.
Data Flow: When you send a query to the AI assistant, your message and relevant roster parameters (such as shift timings and roles) are relayed through our secure backend proxy to DeepSeek's API.
Purpose: Data sent to DeepSeek is processed solely to generate your schedule recommendations in real time. We do not sell your scheduling data or use it for third-party marketing.

3. Cookies and Local Storage

We may use:

Essential Cookies: To ensure the website functions properly.
Local Storage: To save your preferences (like calculator history or game high scores) directly on your device. This data is stored only on your browser and can be cleared at any time.
Analytics Cookies: We may use third-party analytics (like Google Analytics) to understand website traffic patterns. These are anonymized and don't identify individual users.

4. Third-Party Services

To provide high performance, authentication, AI assistance, and ad support, our website integrates the following trusted third-party services:

Google AdSense: We display advertisements through Google AdSense. Google may use cookies or web beacons to serve ads based on your prior visits to our website or other sites. You can opt out of personalized advertising at Google Ads Settings.
Google Firebase (Auth & Firestore): Powers optional Google account sign-in and cloud sync for tools like the Exam Builder and Roster Planner. Data is protected by Google Cloud's enterprise-grade infrastructure.
DeepSeek API: Provides optional natural-language assistant responses in the Roster Planner via our secure proxy.
Google Fonts: Provides typography stylesheets. Google may record technical connection data (e.g. IP address) for font delivery.
CDN Services: We use Content Delivery Networks (including Cloudflare and cdnjs) to securely deliver CSS and JavaScript libraries.

5. Data Security

We take data protection seriously across all tool tiers:

HTTPS Encryption: All communications between your browser and our website are encrypted using standard TLS/SSL protocols.
Default Browser Isolation: Standard tools process data in browser memory without sending payloads across the network.
Firebase Security Rules: For authenticated cloud tools, database security rules ensure only the authenticated user can read or write their own documents.
Server Proxy Safeguards: External API calls (such as DeepSeek) are mediated through our backend proxy to prevent client-side credential exposure.

6. Children's Privacy

Our website is suitable for all ages. We do not knowingly collect any information from children under 13 years of age. Our games and educational tools are designed to be safe for children.

7. Your Rights

You have the right to:

Clear your browser's local storage and cookies at any time
Use browser privacy mode to prevent any data storage
Opt out of personalized advertising through Google's settings
Contact us with any privacy concerns

8. GDPR Compliance (For EU Users)

If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR):

Right of Access: You can request a copy of any personal data we hold about you (note: we typically don't collect personal data).
Right to Rectification: You can request correction of any inaccurate data.
Right to Erasure: You can request deletion of your data ("right to be forgotten").
Right to Data Portability: You can request your data in a machine-readable format.
Right to Object: You can object to processing of your data for direct marketing.
Right to Withdraw Consent: You can withdraw consent at any time by clearing your browser data.

Legal Basis for Processing: We process data based on:

Legitimate Interest: To provide and improve our free tools
Consent: For optional features like localStorage preferences

Data Controller: MixOfAll operates this website. For GDPR requests, contact us at [email protected].

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: [email protected]