Privacy Policy
How we collect, use, and protect your data
Last updated: December 28, 2025
At Irin (operated by Sparse Technologies Limited), we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and services, including our calculators, PDF tools, QR code generators, developer tools, and professional tank calibration services.
By using Irin, you agree to the collection and use of information in accordance with this policy. If you do not agree with our policies and practices, please do not use our services.
Table of Contents
- 1. Information We Collect
- 2. How We Use Your Information
- 3. Data Processing and Storage
- 4. How We Share Your Information
- 5. Third-Party Services
- 6. Cookies and Tracking Technologies
- 7. Data Security
- 8. Data Retention
- 9. Your Privacy Rights
- 10. Children's Privacy
- 11. International Data Transfers
- 12. Changes to This Policy
- 13. Contact Us
1. Information We Collect
1.1 Personal Information
When you create an account or use our services, we may collect:
- Account Information: Name, email address, username, password (encrypted)
- Profile Information: Company name, phone number, preferences
- Billing Information: Payment details processed securely through Stripe (we do not store full credit card numbers)
- Communication Data: Messages you send us via contact forms or support requests
1.2 Usage Information
We automatically collect information about how you use our services:
- Device Information: IP address, browser type, operating system, device identifiers
- Usage Data: Pages visited, tools used, features accessed, time spent on pages
- Performance Data: Error logs, diagnostic information, service performance metrics
- Location Data: Approximate location based on IP address
1.3 Content and Files
Depending on which tools you use:
- PDF Tools: Files you upload for processing (temporarily stored, automatically deleted)
- QR Codes: QR code content, designs, logos, and generated codes (if saved to account)
- Calibration Data: Tank specifications, calibration measurements, company logos, generated certificates
- Calculator Inputs: Generally not stored unless you save to your account (premium feature)
2. How We Use Your Information
We use the information we collect for the following purposes:
2.1 Service Delivery
- Provide, operate, and maintain our calculators, PDF tools, QR generators, and calibration services
- Process your transactions and manage your subscriptions
- Generate calibration charts, PDF certificates, and QR codes
- Store your projects, history, and saved calculations (premium users)
2.2 Communication
- Send you account-related notifications and updates
- Respond to your inquiries and support requests
- Send marketing communications (with your consent, opt-out available)
- Notify you about changes to our services or policies
2.3 Improvement and Analytics
- Analyze usage patterns to improve our services
- Develop new features and tools based on user needs
- Monitor and analyze trends, usage, and activities
- Detect, prevent, and address technical issues
2.4 Security and Compliance
- Protect against fraud, abuse, and security threats
- Enforce our Terms of Service
- Comply with legal obligations and regulatory requirements
- Maintain audit trails for calibration compliance (premium calibration users)
3. Data Processing and Storage
3.1 File Processing
Important: Your privacy is paramount when processing files.
- PDF Tools: Files are processed on secure servers and automatically deleted within 1-2 hours
- Client-Side Processing: Many tools process data locally in your browser when possible
- No Content Inspection: We do not inspect, analyze, or use the content of your files
- Encrypted Transmission: All file uploads use SSL/TLS encryption
3.2 Data Storage Locations
- Primary Servers: Hosted on secure cloud infrastructure (AWS/Digital Ocean)
- Database: Encrypted databases for account and subscription data
- File Storage: Secure cloud storage (AWS S3) for saved projects and generated files
- Backups: Regular encrypted backups for data protection and recovery
5. Third-Party Services
We use the following trusted third-party services:
Stripe
Payment processing (PCI-DSS compliant)
Google Analytics
Usage analytics and insights
AWS / Digital Ocean
Cloud hosting and storage
Email Services
Transactional and marketing emails
7. Data Security
We implement industry-standard security measures:
Technical Safeguards
- SSL/TLS encryption for data transmission
- Encrypted databases and file storage
- Regular security audits and updates
- Firewall protection and intrusion detection
Operational Safeguards
- Limited employee access to personal data
- Confidentiality agreements with staff
- Incident response procedures
- Regular security training
Note: No method of transmission over the Internet is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.
8. Data Retention
- Account Data: Retained while your account is active and for a reasonable period after deletion
- Uploaded Files (Temporary): Automatically deleted within 1-2 hours after processing
- Saved Projects: Retained as long as you maintain your account (can be deleted anytime)
- Calibration Records: Retained for compliance purposes (typically 7 years for industry standards)
- Transaction Records: Retained for accounting and tax compliance (typically 7 years)
- Analytics Data: Anonymized and retained for service improvement
9. Your Privacy Rights
Depending on your location, you may have the following rights:
Access
Request a copy of your personal data
Rectification
Update or correct inaccurate information
Erasure
Request deletion of your personal data (subject to legal requirements)
Portability
Receive your data in a structured, machine-readable format
Object
Object to processing of your personal data
Restriction
Request restriction of processing under certain circumstances
Withdraw Consent
Withdraw consent for marketing communications or data processing
To exercise these rights, please contact us using the information provided in the Contact section.
10. Children's Privacy
Our services are not directed to children under the age of 13. We do not knowingly collect personally identifiable 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 immediately. If we become aware that we have collected personal data from children without parental consent, we will take steps to remove that information from our servers.
11. International Data Transfers
Your information may be transferred to and maintained on servers located outside of your country, where data protection laws may differ. By using our services, you consent to the transfer of your information to Nigeria and other countries where we operate.
We take appropriate safeguards to ensure that your personal information remains protected in accordance with this Privacy Policy, regardless of where it is processed.
12. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. When we make changes:
- We will update the "Last updated" date at the top of this policy
- We will notify you via email if changes are material
- We may display a notice on our website
Your continued use of our services after changes become effective constitutes acceptance of the revised policy.
13. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:
Sparse Technologies Limited
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