Privacy Policy
Last Updated: June 2026
Key Declaration
This tool runs 100% in your browser. Your Markdown content, images, and formatting results are never uploaded to our servers.
Data Flow Summary
User inputs Markdown → Browser renders locally → Outputs formatted HTML → User copies → Pastes into WeChat editor. All processing happens in your browser. Images are converted to Base64 via Canvas/FileReader API and stored in IndexedDB (local only). No data is uploaded to any server.
1. Data We Collect
1.1 Automatically Collected (Infrastructure/Security)
- IP address (recorded by Cloudflare CDN) — Security protection, DDoS mitigation, access statistics
- User-Agent / Browser type — Compatibility statistics
- Request timestamps — Security logging
1.2 User Input (Processed Locally, Never Uploaded)
- Markdown text — Stored in browser memory, cleared on refresh/close
- Uploaded images — Stored in browser IndexedDB (Base64), local only
- Editor preferences (theme selection) — Stored in browser localStorage, local only
The above data never leaves your device. We cannot access, view, or recover any of your content.
1.3 Data We Do NOT Collect
- No registration/login required — no email, username, or password collected
- No payment information collected (Phase 1 has no paid features)
- No cookies used for user tracking or ad targeting
- No location data, device fingerprinting, or behavioral profiling
- No data sold or shared with third parties
2. Third-Party Services
- Cloudflare — Website hosting & CDN. Processes IP addresses and User-Agent. Cloudflare Privacy Policy
3. Data Retention
- Cloudflare edge logs — Within 24 hours (CF default)
- Browser local data — Controlled by user, can be cleared anytime
4. Your Rights
Under applicable law (GDPR, CCPA, etc.), you have the right to access, delete, port, and object to processing of your personal data. Since we do not collect or store user content, in most cases our answer will be "we do not have your data."
Contact us to exercise these rights: 3307629938@qq.com
5. Children's Privacy
This service is not directed at children under 16. We do not knowingly collect personal data from children.
6. Security
- All content processing happens locally in your browser (zero data transmission)
- Website served over HTTPS via Cloudflare
- No server-side database, no user data breach risk
7. Changes to This Policy
We may update this privacy policy from time to time. Significant changes will be prominently displayed on the website.
8. Contact Us
Email: 3307629938@qq.com
Website: writerlab.xyz