Privacy Policy

Introduction

Welcome to Zerno ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we handle data. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and developer tools (collectively, the "Service").

Important: All tools on Zerno run entirely in your web browser. Your input data is processed locally on your device and is never sent to our servers or stored by us.

Information We Collect

1. Tool Usage Data

We DO NOT collect or store your input data. All tools (JSON Formatter, Base64 Encoder, UUID Generator, etc.) process data entirely in your browser. Your data never leaves your device.

2. Analytics Data

We use Google Analytics 4 to collect anonymous usage statistics, including:

• Pages viewed and time spent on site
• Browser type, device type, and operating system
• Geographic location (country/city level only)
• Referring website
• Tool usage patterns (which tools are used, not what data is processed)

This data helps us understand how users interact with our tools and improve the Service.

3. Cookies and Local Storage

We use the following types of cookies and local storage:

• Essential Cookies: Required for theme preferences (dark mode) and basic functionality
• Analytics Cookies: Google Analytics cookies to track usage patterns
• Advertising Cookies: Google AdSense may use cookies to display relevant ads

4. No Personal Information

We do not collect, store, or process any personal information such as names, email addresses, or account credentials. The Service is completely anonymous and requires no registration or login.

How We Use Your Information

The limited information we collect is used to:

• Analyze Service usage and improve user experience
• Understand which tools are most popular
• Identify and fix technical issues
• Display relevant advertisements (via Google AdSense)
• Generate aggregate statistics about Service usage

Third-Party Services

Google Analytics

We use Google Analytics 4 to collect anonymous usage statistics. Google Analytics may use cookies to track user behavior. For more information, visit Google's Privacy Policy at https://policies.google.com/privacy.

Google AdSense

We use Google AdSense to display advertisements. Google may use cookies and web beacons to serve ads based on your prior visits to our Service or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.

Cloudflare

Our Service is hosted on Cloudflare Pages. Cloudflare may collect certain technical information for security and performance purposes. View Cloudflare's Privacy Policy at https://www.cloudflare.com/privacypolicy/.

Data Security

We implement appropriate technical and organizational measures to protect the limited data we collect:

• HTTPS encryption for all connections
• No storage of user input data on our servers
• Regular security audits
• Secure hosting infrastructure (Cloudflare)

However, please note that no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.

Your Rights and Choices

Cookie Preferences

You can control cookies through your browser settings. Most browsers allow you to refuse cookies or delete existing cookies. Note that blocking essential cookies may affect Service functionality.

Opt-Out of Analytics

You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Do Not Track

We currently do not respond to "Do Not Track" signals, but we collect minimal data as described in this policy.

Children's Privacy

Our Service is not directed to 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 provided us with personal information, please contact us.

International Users

Our Service is operated from India. If you access the Service from outside India, please be aware that your information may be transferred to, stored, and processed in India and on servers located globally through our hosting provider. By using the Service, you consent to this transfer.

GDPR Compliance (European Users)

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

• Right to Access: Request information about what data we have (minimal, as described above)
• Right to Rectification: Request correction of inaccurate data
• Right to Erasure: Request deletion of your data
• Right to Restrict Processing: Request limitation of data processing
• Right to Data Portability: Request a copy of your data in a portable format
• Right to Object: Object to certain types of processing

To exercise these rights, please contact us using the information below.

California Privacy Rights (CCPA)

If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information we collect and how we use it
• Right to delete personal information
• Right to opt-out of the sale of personal information (we do not sell personal information)
• Right to non-discrimination for exercising your rights

Note: We collect minimal data as described in this policy and do not sell personal information.

Changes to This Privacy 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. We encourage you to review this Privacy Policy periodically for any changes.