Last updated: March 18, 2026 · Applies to: Currency Exchange Assistant Chrome Extension
1. Overview
Fanswang (hereinafter "we") developed the "Currency Exchange Assistant" Chrome browser extension. This Privacy Policy explains how we handle data when you use this extension.
🔒 Core commitment: This extension does NOT collect, store, or transmit any personally identifiable information.
2. Data We Do Not Collect
This extension does NOT collect any of the following:
Personal identifiers (name, email, phone number, etc.)
Browsing history or activity logs
Location data
Financial or payment information
Any data that could be used to identify you personally
3. Local Storage
To provide a better experience, the extension stores the following data locally in your browser only. This data is never uploaded to any server:
Data Type
Content
Purpose
Currency Preferences
Last selected source/target currency and amount
Restore your settings on next open
Favorites List
Saved currency pairs
Quick access to frequently used pairs
Rate Cache
Last fetched exchange rates and timestamp
Reduce API requests; enable offline use
You can clear this data at any time via Chrome's extension storage settings.
4. Third-Party API
This extension uses the following public exchange rate API:
exchangerate-api.com: A public, free exchange rate service
Requests only contain the currency code being queried and include no personal user data. Please refer to their privacy policy for details on their data handling.
5. Web Page Access
This extension injects a floating currency converter widget on Shopify and WooCommerce e-commerce pages.
The extension only reads price text on the page to display converted amounts
No page content is recorded or uploaded
No action is taken on non-e-commerce pages
6. Advertising & Tracking
This extension contains no advertising, tracking code, analytics SDKs, or user behavior monitoring of any kind.
7. Children's Privacy
This extension is not directed at children under 13 and does not knowingly collect any personal information from children.
8. Changes to This Policy
If this Privacy Policy changes, we will update this page and revise the "Last updated" date. We encourage you to review this page periodically.
9. Contact Us
If you have any questions about this Privacy Policy, please contact us: