Privacy Policy
Last updated: October 16, 2025
1. Introduction
At Syltken, we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our online tools and services.
Our Privacy Commitment:
We do NOT collect, store, or transmit your input data. All processing happens locally in your browser.
2. Information We Do NOT Collect
Our tools are designed with privacy-first principles:
- Input Data: JSON content, UUIDs, URLs, or any data you process using our tools
- File Contents: Any files you upload or download through our tools
- Personal Information: Names, email addresses, phone numbers, or addresses
- Login Credentials: We don't require accounts or authentication
- Payment Information: Our tools are completely free
3. Information We May Collect
We may collect limited, non-personal information for service improvement:
Technical Information:
- Browser type and version
- Operating system
- IP address (anonymized)
- Page views and navigation patterns
- Time spent on pages
- Referral sources
Usage Analytics:
- Which tools are used most frequently
- Feature usage patterns
- Error rates and performance metrics
- General geographic location (country/region level)
4. Google AdSense and Advertising
We use Google AdSense to display advertisements that help maintain our free service:
- Cookie Usage: Google may use cookies to serve relevant ads based on your browsing history
- Ad Personalization: You can opt out of personalized ads through Google's Ad Settings
- Third-Party Access: Google may collect information as described in their privacy policy
- Revenue Purpose: Ad revenue helps cover hosting, maintenance, and development costs
For more information about Google's data practices, visit: Google Privacy Policy
5. How We Use Information
The limited information we collect is used solely for:
- Improving tool performance and user experience
- Understanding which features are most valuable
- Identifying and fixing technical issues
- Preventing abuse and ensuring service availability
- Complying with legal requirements if necessary
6. Client-Side Processing
How Our Tools Work:
- Local Processing: All JSON parsing, UUID generation, and validation happens in your browser
- No Server Upload: Your data never leaves your device
- Memory Only: Processed data exists only in your browser's memory
- No Storage: We don't save your input to any database or file system
7. Cookies and Local Storage
We may use cookies and local storage for:
- Preferences: Remembering your tool settings and preferences
- Analytics: Understanding website usage patterns
- Advertising: Google AdSense cookies for ad delivery
- Performance: Caching for faster loading times
You can control cookie settings through your browser preferences.
8. Third-Party Services
We may integrate with third-party services:
- Google AdSense: For displaying advertisements
- Google Analytics: For website usage analytics (if implemented)
- CDN Services: For faster content delivery
- Hosting Providers: For website infrastructure
These services have their own privacy policies and terms of service.
9. Your Rights and Choices
You have the right to:
- Opt-out: Disable cookies through your browser settings
- Ad Settings: Control ad personalization through Google's Ad Settings
- Do Not Track: Use browser "Do Not Track" settings
- Data Portability: Since we don't store your data, there's nothing to export
- Access: Request information about any data we may have
10. Policy Updates
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. We encourage you to review this policy periodically.
11. Contact Us
If you have questions about this Privacy Policy or our data practices, please contact us through our email support@syltken.com.
Bottom Line: We don't collect your input data. Our tools work entirely in your browser for maximum privacy. We only collect minimal, anonymized usage statistics to improve our service and display ads to keep the tools free.