Privacy Policy

Introduction

At jconvert.dev (“we”, “our”, “us”), we are committed to protecting your privacy. This Privacy Policy explains how we handle your information when you use our service.

Your Files & Conversion Data

What We Do NOT Collect

We do NOT collect, store, or transmit:

• Your uploaded files
• Your conversion data
• File contents
• Personal documents
• Any data you process through our tool

How Your Files Are Processed

All file conversions happen entirely in your browser using JavaScript:

1. You upload or paste your data
2. Your browser processes it locally
3. The converted output is generated in your browser
4. You download the result

At no point does your data:

• Leave your device
• Get sent to our servers
• Get stored in any database
• Get shared with third parties (including advertisers)

Data We DO Collect

1. Analytics Data (Google Analytics)

We use Google Analytics to understand how visitors use our site. This includes:

• Pages visited
• Time spent on site
• Browser type and version
• Device type (desktop/mobile)
• Geographic location (country/city level)
• Referral source

This data is anonymized and aggregated.

Opt-out: Use browser extensions like uBlock Origin or enable “Do Not Track”.

2. Advertising Data (Google AdSense)

We display advertisements through Google AdSense to keep our service free.

What AdSense may collect:

• Pages you visit on our site
• Your approximate location (city level)
• Browser and device information
• Your interests (based on browsing history across the web)
• Previous sites you visited (for interest-based ads)

Your choices:

• Opt-out of personalized ads: Google Ad Settings
• See Google's Privacy Policy: policies.google.com/privacy
• Use ad blockers: We won't prevent you from using ad blockers

3. Technical Logs

Our hosting provider (Vercel) may collect:

• IP addresses (for security and performance)
• Access timestamps
• HTTP request headers

These logs are automatically deleted after 30 days.

Cookies

We use cookies to provide and improve our service:

Essential Cookies:

• Preference cookies (dark mode, language settings)
• Stored locally in your browser (localStorage)

Analytics Cookies:

• Google Analytics - to measure site usage
• Can be blocked without affecting functionality

Advertising Cookies:

• Google AdSense - to display and personalize ads
• Used for ad frequency capping and measurement
• Help us keep the service free

Managing Cookies:

• Adjust your browser settings to block cookies
• Use ad blockers if you prefer
• Enable “Do Not Track” in your browser
• Opt-out of personalized ads: Google Ad Settings

Note: Blocking cookies may affect your experience but won't break core functionality.

Third-Party Services

We use the following services:

• Google Analytics (Privacy Policy) - Purpose: Website analytics - Data: Anonymized usage statistics
• Google AdSense (Privacy Policy) - Purpose: Display advertisements - Data: Browsing behavior for ad personalization
• Vercel (Privacy Policy) - Purpose: Website hosting - Data: Technical logs (IP, timestamps)

GDPR Compliance (EU Users)

If you are in the European Union, you have the right to:

• Access your data
• Request deletion of analytics/advertising data
• Object to data processing
• Data portability
• Withdraw consent at any time

To exercise your rights:
Email: [email protected]

Note: Since we don't store your files or personal data, most requests relate to analytics/advertising cookies only.

Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect data from children.

Data Security

• Your files: Processed 100% in your browser - never transmitted
• Analytics/Ads: Standard encryption (HTTPS)
• No databases: We don't store user data

Changes to This Policy

We may update this Privacy Policy. Changes will be posted on this page with an updated “Last updated” date.

Continued use of the Service after changes constitutes acceptance.

Contact Us

Questions about privacy?

Email: [email protected]