Privacy Policy

1 Introduction

Welcome to DC QR CODES ("we", "our" or "Service"), a free QR code generator operated by Denis Casian. This Privacy Policy explains how we collect, use, store and protect your information when you use our website at qr.deniscasian.com.

By using DC QR CODES, you agree to the practices described in this policy. If you do not agree with this policy, please do not use our Service.

We are committed to protecting your privacy and being transparent about the data we collect. This policy complies with the General Data Protection Regulation (GDPR) and other applicable data protection laws.

2 What Data We Collect

DC QR CODES is designed with privacy in mind. We do not collect or store QR code content on our servers. All QR codes are generated locally in your browser.

✅ Key principle

The content you enter to generate QR codes (URLs, text, etc.) remains on your device and is not sent to our servers.

Data we may collect:

Anonymous usage data: Information about how you interact with the site (pages visited, time spent, etc.) through analytics services.
Technical information: Browser type, operating system, screen resolution and IP address (anonymized).
Preferences: Language settings and other locally stored preferences.
License data: If you purchase a license, we will store your email address and license key for verification.

3 How We Use Data

We use collected information to:

Provide and improve the Service: To ensure the site works correctly and to identify and fix technical issues.
Analytics and statistics: To understand how the Service is used and to improve it.
Personalization: To provide you with a personalized experience (language, settings).
License verification: To validate purchased licenses and disable ads for licensed users.
Display advertising: To show relevant ads through our advertising partners (for users without a license).

4 Local Storage

DC QR CODES uses browser local storage (localStorage) to save:

QR code history: The last 10 generated QR codes are saved locally for quick access.
Language preferences: Selected language (Romanian or English).
License information: License key and validation status.
Display settings: Preferences for notifications and other settings.

ℹ️ Important

All this data is stored exclusively on your device and is not sent to our servers. You can delete this data at any time through your browser options or through the "Clear All" function in the app.

5 Third-Party Services

We use the following third-party services:

Service	Purpose	Privacy Policy
Cloudflare	Hosting, CDN, Security	Link
Firebase	Authentication, Database	Link
Payhip	Payment processing, Licenses	Link
Adsterra	Advertising	Link
Google Fonts	Web fonts	Link

These third-party services may collect data according to their own privacy policies. We encourage you to read their policies to understand how they process your data.

6 Cookies and Similar Technologies

DC QR CODES may use cookies and similar technologies for:

Essential cookies: Necessary for the site to function.
Preference cookies: To remember your settings.
Advertising cookies: Used by our advertising partners to show relevant ads.
Analytics cookies: To understand how the site is used.

You can control and delete cookies through your browser settings. Note that disabling certain cookies may affect site functionality.

7 Advertising

For users without an active license, DC QR CODES displays ads through the Adsterra network. These ads help us keep the service free.

Adsterra and its partners may collect data about your device and browsing behavior to display personalized ads. This may include:

IP address
Device and browser information
Browsing history
Ad interactions

💡 Disable ads

You can disable ads by purchasing a DC QR CODES Pro license. Users with a valid license will not see ads and their data will not be collected by advertising networks.

8 Your Rights

Under GDPR and other applicable laws, you have the following rights:

Right of access: You can request information about your data that we hold.
Right to rectification: You can request correction of inaccurate data.
Right to erasure: You can request deletion of your data ("right to be forgotten").
Right to restriction: You can request limitation of processing your data.
Right to portability: You can request a copy of your data in a structured format.
Right to object: You can object to processing your data in certain circumstances.

To exercise these rights, please contact us at the address mentioned in the Contact section.

9 Data Security

We take appropriate technical and organizational measures to protect your data, including:

SSL/TLS encryption for all connections
Secure hosting via Cloudflare
Restricted data access
Regular monitoring and audits

However, no method of transmission over the internet or electronic storage is 100% secure. We cannot guarantee absolute data security.

10 Children

DC QR CODES is not intended for children under 16. We do not knowingly collect personal information from children under this age. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

11 Policy Changes

We reserve the right to update this Privacy Policy at any time. Changes will be posted on this page with a new "last updated" date.

We encourage you to periodically check this page to be informed of any changes. Continued use of the Service after changes are posted constitutes acceptance of them.

12 Contact

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

Website: deniscasian.com
Contact page: contact.deniscasian.com

We will respond to your requests as soon as possible, usually within 30 days.