Privacy Policy
Last updated: November 18, 2025
📋 Executive Summary
Your images NEVER leave your device. All processing happens locally in your browser. We don't store files, don't ask for registration, only use anonymous analytics.
1. Data Controller Identity
Data Controller: DoctVault
Contact: info@formatvault.com
Website: https://doctvault.com
Jurisdiction: Spain / European Union
2. Total Privacy Commitment
At DoctVault, your privacy is our absolute priority. Unlike other image converters that upload your files to remote servers:
- 100% local processing: All conversions run in your browser using WebAssembly (WASM).
- Zero uploads: Your images never leave your device.
- No registration: We don't ask for accounts, emails, or passwords.
- No storage: We don't save files on servers.
3. Information We DON'T Collect
| Data Type | Status |
|---|
| Uploaded images | ❌ Never collected |
| Visual content | ❌ Never collected |
| EXIF metadata (GPS, camera) | ❌ Never collected |
| Personal data (name, email) | ❌ Never collected |
4. Information We DO Collect (Anonymous)
To improve our service, we use Google Analytics 4 with anonymous metrics:
4.1. Usage Statistics
- Pages visited: Which sections you browse.
- Time on page: How long you spend on each page.
- Bounce rate: If you leave immediately.
- Conversion events: Source/destination format (without file content).
4.2. Technical Information
- Browser and version: Chrome 120, Firefox 121, Safari 17, etc.
- Operating system: Windows, macOS, Linux, Android, iOS.
- Screen resolution: To optimize responsive design.
- Browser language: To improve translations.
4.3. Approximate Geolocation
- Country and city: Based on IP (we DON'T store exact IP).
- Purpose: Regional statistics (e.g., "70% users from Spain").
5. Legal Basis for Processing (GDPR)
| Data | Legal Basis | Purpose |
|---|
| Anonymous analytics | Legitimate interest | Service improvement |
| Technical cookies | Contractual necessity | Basic functionality |
| Advertising cookies | Consent | Ad personalization |
6. Cookies and Local Storage
6.1. Strictly Necessary Cookies
Essential for basic functionality. DO NOT require consent:
- theme_preference (localStorage): Light/dark mode | Duration: Permanent
- language_preference (localStorage): ES/EN | Duration: Permanent
- conversion_settings (sessionStorage): Format, quality | Duration: Session
6.2. Analytics Cookies (Google Analytics 4)
- _ga: Anonymous unique identifier | Duration: 2 years
- _ga_[container-id]: User session | Duration: 2 years
- _gid: Daily statistics | Duration: 24 hours
- _gat: Rate limiter | Duration: 1 minute
6.3. Advertising Cookies (Google AdSense)
Google AdSense uses third-party cookies to personalize ads. You can:
- Manage preferences at Google Ad Settings
- Opt for non-personalized advertising
- Block advertising cookies in your browser
7. How to Disable Cookies
Instructions by browser:
- Chrome: Settings → Privacy and security → Cookies
- Firefox: Preferences → Privacy → Cookies and site data
- Safari: Preferences → Privacy → Block all cookies
- Edge: Settings → Privacy → Cookies
⚠️ Warning: Disabling cookies may affect functionality (preferences won't be saved).
8. Third-Party Services
8.1. Firebase Hosting (Google Cloud)
- Provider: Google LLC (USA)
- Purpose: Static hosting + global CDN
- Data transferred: IP for server logs (aggregated, not identifiable)
- Safeguards: EU-USA standard contractual clauses
8.2. Google Analytics 4
- Provider: Google LLC (USA)
- Data transferred: Anonymous usage statistics
- Safeguards: Privacy Shield Framework + IP anonymization
8.3. Google AdSense
- Provider: Google LLC (USA)
- Data transferred: Third-party advertising cookies
- User control: Google Ad Settings
9. Data Security
Implemented protection measures:
- Mandatory HTTPS: TLS 1.3 encryption on all connections
- Content Security Policy (CSP): XSS and injection prevention
- Isolated Web Workers: Sandboxed processing without network access
- No backend: No database where information can leak
- Security headers: HSTS, X-Frame-Options, X-Content-Type-Options
10. User Rights (GDPR/CCPA)
According to European (GDPR) and Californian (CCPA) regulations, you have the right to:
| Right | Description | Applicable |
|---|
| Access | Request copy of your data | ❌ N/A (we don't store data) |
| Rectification | Correct inaccurate data | ❌ N/A (we don't store data) |
| Erasure | Right to be forgotten | ❌ N/A (we don't store data) |
| Portability | Export readable data | ❌ N/A (we don't store data) |
| Objection | Reject processing | ✅ Block analytics cookies |
| Restriction | Limit processing | ✅ Disable JavaScript |
To exercise your rights:
Email: info@formatvault.com
Response time: 48-72 business hours
11. Use by Minors
DoctVault does NOT knowingly collect information from children under 13 (16 in EU under GDPR). If you are a parent/guardian and discover your child provided data, contact us to remove it.
12. Data Retention
| Data Type | Retention Period |
|---|
| Processed images | 0 seconds (never uploaded) |
| Google Analytics cookies (_ga) | 2 years (renewable with visits) |
| localStorage preferences | Permanent (until manual deletion) |
| Firebase server logs | 30 days (aggregated, not individual) |
13. Changes to This Policy
We reserve the right to update this policy to reflect changes in:
- Legal regulations (GDPR, CCPA, new laws)
- Third-party services (new analytics, hosting)
- Service functionalities
Change notification: Prominent banner on homepage for 30 days. "Last updated" date always visible.
14. Supervisory Authority
If you believe your privacy rights have been violated, you can file a complaint with:
15. Contact and Support
Data controller contact information:
✅ Your Privacy in 5 Key Points
- 1. Your images NEVER leave your device (100% local processing)
- 2. We DON'T ask for registration, email, password or personal data
- 3. We only use anonymous analytics to improve UX
- 4. We comply 100% with GDPR (EU) and CCPA (California)
- 5. Contact: info@formatvault.com