Privacy Policy of StyleVault

1Introduction

StyleVault ("we," "our," or "this extension") takes your privacy seriously. This privacy policy explains how we collect, use, store, and protect information when you use this browser extension.

2Data Collection

Data We Collect

This extension does not collect, store, or transmit any personally identifiable information for its core features. We only store the following types of data on your device:

1. Custom themes: Theme names and CSS you write or import, stored locally
2. Per-site memory: A map of hostnames to the theme you last applied on that site
3. User preferences: Language (system / English / Chinese), auto-apply, dark-preset preference, and sync toggle
4. Payment cache: Local Pro membership status used to unlock paid features. If you purchase Pro, a payment email provided by the payment provider may also be cached locally

How We Collect Data

All feature data is stored locally on your device through the browser's local storage API (chrome.storage.local). We do not:

• Collect your browsing history
• Transmit feature data to any server we operate
• Share any data with third parties, except as needed to process Pro payments
• Use any analytics or tracking services

3Data Usage

We only use the collected data to:

• Apply preset or custom CSS themes on the current page
• Remember per-site themes and auto-apply them on later visits
• Export or import a local JSON backup when you ask us to
• Verify Pro membership so paid features can be unlocked

4Data Storage

Themes, per-site mappings, settings, and the payment cache are stored locally on your device using the browser's local storage API. Optional JSON backups you export are saved as files you choose. You can delete this data at any time through your browser's extension management page.

5Data Sharing

We do not share, sell, or transmit your themes or site mappings to any third parties. The only exception is Pro payment verification, described below.

6Permission Usage

storage Permission

Used to store themes, per-site mappings, settings, and Pro membership cache locally.

tabs Permission

Used to identify the current site hostname so a remembered theme can be applied. We do not collect browsing history.

Host Permissions (all_urls)

Used so a content script can apply a saved theme on matching pages. Page content is not uploaded.

Host Permission (extensionpay.com)

Used only when you choose to purchase or restore Pro membership.

7Third-Party Services

This extension does not integrate any third-party analytics services, advertising services, or data collection services for its core features.

Pro membership is processed by ExtensionPay (extensionpay.com). If you purchase Pro, ExtensionPay may process your payment details and provide a paid status (and optionally an email) so the extension can unlock paid features. That membership cache is stored locally. Your feature data is never sent to ExtensionPay or to any other third party.

8Data Security

Since feature data is stored locally on your device, data security depends on your device security. We recommend that you:

• Keep your browser and operating system updated
• Use strong passwords to protect your device
• Do not share your device with others

9Your Rights

You have complete control over your data:

• You can delete the extension and all its data at any time through your browser's extension management page
• You can clear your browser's local storage data
• You can uninstall the extension at any time

10Children's Privacy

This extension is not directed to children under the age of 13. We do not knowingly collect personal information from children.

11Privacy Policy Changes

We may update this privacy policy from time to time. Any significant changes will be notified through extension updates. We recommend that you review this privacy policy periodically to stay informed.

12Contact Us

If you have any questions or concerns about this privacy policy, please contact us through:

• Email: yugakhans@gmail.com
• Project Repository: Visit the extension's GitHub repository to submit issues
• Extension Description: Check the extension store page for more information

13Consent

By installing and using this extension, you agree to the terms of this privacy policy. If you do not agree with this privacy policy, please do not use this extension.