隐私政策
MarkFlow - Doc to Markdown Converter
最后更新：2026年2月4日
一、概述
MarkFlow（"我们"、"本插件"）致力于保护您的隐私。本隐私政策说明了我们如何收集、使用、存储和保护您在使用本 Chrome 浏览器扩展时的个人信息。
二、我们收集的信息
1. 文档内容
- 处理内容：您上传的 PDF、Word、图片等文档内容，用于 OCR 文字识别和格式转换
- 处理方式：文档内容仅在本地浏览器或发送至 OCR 服务器进行处理
- 存储：我们不存储您上传的原始文档内容
2. 使用数据
- 转换历史：最近 50 条转换记录（文件名、状态、时长），存储在本地 Chrome Storage
- 配额信息：每日 OCR 使用次数、当前订阅计划
- 设置偏好：OCR 提供商选择、主题、语言等配置
3. 支付信息（仅付费用户）
- 支付方式：微信支付或支付宝
- 处理流程：通过手动转账方式，支付凭证发送至我们的服务器进行审核
- 存储：订单信息、支付状态、许可证密钥存储在我们的服务器
三、信息使用方式
- 提供文档转换服务（PDF/Word/图片 → Markdown）
- 管理您的每日配额和订阅状态
- 处理支付订单和订阅激活
- 改进服务质量和修复问题
- 发送重要通知（如订阅到期提醒）
四、第三方服务
1. OCR 识别服务
您的文档图片可能发送至以下第三方 OCR 服务进行文字识别：
- PaddleOCR 服务：自建 OCR 服务
- 百度 OCR API：由百度智能云提供
我们采取合理措施保护您的数据安全，但第三方服务的隐私政策亦适用。
2. 支付处理
支付通过微信/支付宝手动转账完成，我们不存储您的支付账户信息。
五、数据存储与安全
1. 本地存储
- 转换历史、设置、配额信息存储在您的浏览器本地（Chrome Storage API）
- 您可以通过清除浏览器数据或卸载扩展来删除这些信息
2. 服务器存储
- 支付订单信息、订阅状态存储在我们的服务器
- 服务器位于中国境内，符合中国网络安全法律法规
3. 安全措施
- HTTPS 加密传输
- 敏感信息（API Key）使用 AES-GCM 本地加密存储
- 定期安全审计和漏洞修复
六、数据共享
我们不会出售您的个人信息。仅在以下情况下共享：
- 经您明确同意
- 法律法规要求或政府机关依法调取
- 保护我们的合法权益
七、Cookie 政策
本插件不使用 Cookie。所有数据通过 Chrome Storage API 本地存储。
八、儿童隐私
本插件面向所有年龄段用户。如果我们发现收集了未满 13 岁儿童的个人信息，将采取措施删除该信息。
九、您的权利
- 访问权：查看我们存储的您的信息
- 删除权：要求删除您的账户和相关数据
- 更正权：更正不准确的信息
- 导出权：以可读格式导出您的数据
- 反对权：反对特定的数据处理活动
行使上述权利，请通过下方联系方式与我们联系。
十、政策变更
我们可能会不时更新本隐私政策。重大变更将通过插件内通知或邮件告知。继续使用本插件即表示您接受更新后的政策。
十一、联系我们
十二、服务条款（摘要）
- 本插件按"现状"提供，不提供任何明示或暗示的保证
- 我们不保证 OCR 识别的 100% 准确性
- 付费订阅不提供退款，除非法律要求
- 用户不得将本插件用于非法用途
- 我们保留随时修改或终止服务的权利
Privacy Policy
MarkFlow - Doc to Markdown Converter
Last Updated: February 4, 2026
1. Overview
MarkFlow ("we", "this extension") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and protect your personal information when using this Chrome browser extension.
2. Information We Collect
1. Document Content
- Content Processed: PDF, Word, and image documents you upload for OCR text recognition and format conversion
- Processing Method: Document content is processed locally in your browser or sent to OCR servers
- Storage: We do not store your original uploaded document content
2. Usage Data
- Conversion History: Recent 50 conversion records (filename, status, duration), stored locally in Chrome Storage
- Quota Information: Daily OCR usage count, current subscription plan
- Settings Preferences: OCR provider selection, theme, language, and other configurations
3. Payment Information (Paid Users Only)
- Payment Methods: WeChat Pay or Alipay
- Processing: Through manual transfer, payment proof is sent to our server for verification
- Storage: Order information, payment status, and license keys stored on our server
3. How We Use Your Information
- Provide document conversion services (PDF/Word/Images → Markdown)
- Manage your daily quota and subscription status
- Process payment orders and subscription activation
- Improve service quality and fix issues
- Send important notifications (e.g., subscription expiry reminders)
4. Third-Party Services
1. OCR Recognition Services
Your document images may be sent to the following third-party OCR services for text recognition:
- PaddleOCR Service: Self-hosted OCR service
- Baidu OCR API: Provided by Baidu Intelligent Cloud
We take reasonable measures to protect your data security, but the privacy policies of third-party services also apply.
2. Payment Processing
Payments are completed via WeChat/Alipay manual transfer. We do not store your payment account information.
5. Data Storage & Security
1. Local Storage
- Conversion history, settings, and quota information are stored locally in your browser (Chrome Storage API)
- You can delete this information by clearing browser data or uninstalling the extension
2. Server Storage
- Payment order information and subscription status are stored on our server
- Server is located within China and complies with Chinese network security laws and regulations
3. Security Measures
- HTTPS encrypted transmission
- Sensitive information (API Keys) stored locally using AES-GCM encryption
- Regular security audits and vulnerability fixes
6. Data Sharing
We will not sell your personal information. We only share it in the following cases:
- With your explicit consent
- Required by laws and regulations or requested by government authorities
- To protect our legitimate rights and interests
7. Cookie Policy
This extension does not use cookies. All data is stored locally through Chrome Storage API.
8. Children's Privacy
This extension is intended for users of all ages. If we discover that we have collected personal information of children under 13, we will take steps to delete that information.
9. Your Rights
- Right to Access: View the information we store about you
- Right to Delete: Request deletion of your account and related data
- Right to Correct: Correct inaccurate information
- Right to Export: Export your data in a readable format
- Right to Object: Object to specific data processing activities
To exercise the above rights, please contact us using the information below.
10. Policy Changes
We may update this Privacy Policy from time to time. Significant changes will be notified through in-app notifications or email. Continued use of this extension indicates your acceptance of the updated policy.
11. Contact Us
12. Terms of Service (Summary)
- This extension is provided "as is" without any express or implied warranties
- We do not guarantee 100% OCR recognition accuracy
- Paid subscriptions are non-refundable unless required by law
- Users must not use this extension for illegal purposes
- We reserve the right to modify or terminate the service at any time