Data Collection and Processing
数据收集与处理
LocalPDF is designed with privacy as our core principle. All PDF processing operations are performed entirely on your local device. Your files are never uploaded to any server or third-party service.
LocalPDF 以隐私为核心设计原则。所有 PDF 处理操作均在您的本地设备上完成。您的文件绝不会上传至任何服务器或第三方服务。
We do not collect, store, transmit, or share any of your personal data or documents. Your files remain on your device throughout the entire processing workflow.
我们不会收集、存储、传输或分享您的任何个人数据或文档。您的文件在整个处理过程中都保留在您的设备上。
100% Offline: All processing happens locally on your device. Your files never leave your hands.
100% 离线处理：所有操作均在您的设备本地完成，文件绝不离开您的手中。
Local Processing Technology
本地处理技术
LocalPDF uses WebAssembly (WASM) technology to perform PDF operations entirely within your device. This includes:
LocalPDF 使用 WebAssembly (WASM) 技术在您的设备内部完成所有 PDF 操作，包括：
- PDF merging, splitting, and page extraction
- PDF 合并、拆分和页面提取
- Format conversion (PDF to images, images to PDF)
- 格式转换（PDF 转图片、图片转 PDF）
- Compression, rotation, and grayscale conversion
- 压缩、旋转和灰度转换
- Watermarking, page numbering, and encryption
- 水印、页码和加密
- Metadata editing and document flattening
- 元数据编辑和文档扁平化
No Data Collection
无数据收集
LocalPDF does not:
LocalPDF 不会：
- Collect any personal information
- 收集任何个人信息
- Track your usage behavior
- 追踪您的使用行为
- Store your documents on any server
- 在任何服务器上存储您的文档
- Share data with third parties
- 与第三方共享数据
- Display advertisements
- 展示广告
Subscriptions and Payments
订阅与支付
Subscription management is handled by RevenueCat, our trusted payment partner. When you purchase a subscription:
订阅管理由我们可信赖的支付合作伙伴 RevenueCat 处理。当您购买订阅时：
- Payment processing is conducted through the App Store
- 支付通过 App Store 处理
- Billing information is managed by Apple
- 账单信息由 Apple 管理
- We receive only transaction confirmation status
- 我们仅接收交易确认状态
Third-Party Services
第三方服务
LocalPDF may integrate with the following third-party services:
LocalPDF 可能与以下第三方服务集成：
- RevenueCat: For subscription management and billing
- RevenueCat：订阅管理和账单
- Apple: For App Store payments and in-app purchases
- Apple：App Store 支付和应用内购买
Your Rights
您的权利
Since we do not collect your data, you have full control over your information. Your files are processed locally and are only accessible to you.
由于我们不收集您的数据，您对自己的信息拥有完全控制权。您的文件在本地处理，仅您可访问。
Children's Privacy
儿童隐私
LocalPDF is not intended for children under 13 years of age. We do not knowingly collect information from children.
LocalPDF 不面向 13 岁以下儿童。我们不会故意收集儿童信息。
Policy Updates
政策更新
We may update this privacy policy from time to time. Any changes will be reflected on this page. Continued use of the app after changes constitutes acceptance of the updated policy.
我们可能会不时更新本隐私政策。任何更改都将反映在本页面上。更改后继续使用应用即表示接受更新后的政策。
Contact Us
联系我们
If you have any questions about this privacy policy, please contact us at:
如对本隐私政策有任何疑问，请通过以下方式联系我们：
support@localpdf.app