Privacy Policy

Last Updated: December 7, 2025

Effective Date: December 7, 2025

Introduction

Stacked Playlist Maker ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our web application.

Important: This app uses YouTube API Services. By using this application, you also agree to be bound by the Google Privacy Policy.

Information We Collect

Information You Provide

API Credentials: YouTube Data API key and OAuth 2.0 Client ID that you provide for authentication
File Data: Song lists uploaded via text files (.txt), Excel files (.xlsx), or CSV files (.csv)
YouTube Account Information: Access to your YouTube account when you sign in with Google OAuth

Information Automatically Collected

Local Storage: API keys, OAuth tokens, and user preferences stored locally in your browser
Usage Data: Information about how you interact with the application (stored locally only)

Information We Do NOT Collect

We do NOT collect or store your personal information on any server
We do NOT track your browsing activity outside this application
We do NOT sell, rent, or share your data with third parties
We do NOT store your uploaded files or playlist data on any server

How We Use Your Information

YouTube API Services

We use the YouTube Data API v3 to:

Search for videos based on song titles you provide
Create playlists on your YouTube account (with your explicit authorization)
Add videos to your playlists

Local Processing Only

All data processing happens entirely within your web browser:

File parsing (Excel, CSV, text files)
YouTube search results
Playlist creation and management
API credential storage

                Client-Side Application: This is a client-side web application. 
                All your data stays on your device. We do not have access to your API keys, 
                OAuth tokens, or any data you process through this application.
            

Data Storage and Security

Local Storage

The following data is stored locally in your browser using localStorage:

YouTube Data API v3 key
OAuth 2.0 Client ID
OAuth access tokens
Theme preference (light/dark mode)

Security Measures

HTTPS: All connections to YouTube APIs are encrypted via HTTPS
OAuth 2.0: Industry-standard authentication protocol for YouTube access
No Server Storage: We do not store any of your data on our servers
Local Only: All data processing occurs on your device

Your Responsibility

Keep your API credentials secure and do not share them
Clear your browser's local storage to remove all stored credentials
Use the "Sign Out" and "Clear All" buttons in Settings to remove stored data

Third-Party Services

YouTube API Services

This application uses YouTube API Services. Your use of YouTube API Services is subject to:

Google OAuth

When you sign in with Google, we use OAuth 2.0 to access your YouTube account. Google's privacy policy governs their collection and use of your data during the authentication process.

Your Rights and Choices

Access and Control

View Data: All your data is stored locally in your browser's localStorage
Delete Data: Use the "Clear All" button in Settings or clear your browser's local storage
Revoke Access: Sign out of your YouTube account and revoke access via your Google Account settings
Export Data: Use the "Export" features to download your playlist data

Revoking YouTube Access

You can revoke this application's access to your YouTube account at any time:

Go to your Google Account Permissions
Find "Stacked Playlist Maker" in the list
Click "Remove Access"

Data Retention

We do not retain any of your data. All data is stored locally on your device and is automatically deleted when you:

Clear your browser's cache and local storage
Use the "Clear All" button in the Settings page
Uninstall or stop using your web browser

Children's Privacy

This application is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has used this application, please contact us immediately.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last Updated" date at the top of this policy. You are advised to review this Privacy Policy periodically for any changes.

Contact Information

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

Email: info@supportstacksystems.com
Phone: (802) 266-0866
Business: Support Stack Systems BBLLC
Location: Brattleboro, Vermont

Compliance

This application complies with applicable data protection regulations and YouTube API Services requirements. We are committed to protecting your privacy and handling your data responsibly.