Getting Started
开始使用
LocalPDF is designed to be intuitive and easy to use. All PDF processing happens locally on your device, ensuring your files never leave your hands.
LocalPDF 设计简洁直观，易于使用。所有 PDF 处理均在您的设备本地完成，确保您的文件绝不离开您的手中。
Features
功能特点
FAQ
常见问题
Is LocalPDF really offline?
LocalPDF 真的是离线运行吗？
Yes. All PDF processing operations are performed entirely on your device using WebAssembly technology. Your files are never uploaded to any server.
是的。所有 PDF 处理操作均使用 WebAssembly 技术在您的设备上完全本地完成。您的文件绝不会上传至任何服务器。
How do I merge multiple PDFs?
如何合并多个 PDF？
Open the Merge PDF tool, select your files, drag to reorder them, then tap the merge button. Your combined PDF will be ready in seconds.
打开合并 PDF 工具，选择您的文件，拖拽调整顺序，然后点击合并按钮。合并后的 PDF 将在几秒钟内准备就绪。
What formats are supported?
支持哪些格式？
We support PDF, PNG, JPG, Word (DOC/DOCX), PowerPoint (PPT/PPTX), Excel (XLS/XLSX), and plain text formats.
我们支持 PDF、PNG、JPG、Word (DOC/DOCX)、PowerPoint (PPT/PPTX)、Excel (XLS/XLSX) 以及纯文本格式。
How does compression work?
压缩是如何工作的？
Choose from low, medium, or high compression levels. Higher compression reduces file size more aggressively while maintaining readability.
您可以选择低、中、高三种压缩等级。更高压缩会更大程度减小文件体积，同时保持可读性。
Can I add watermarks?
可以添加水印吗？
Yes. Use the Add Watermark feature to add text or image watermarks with customizable opacity, position, and tiling options.
可以。使用添加水印功能可以添加文本或图片水印，并可自定义透明度、位置和平铺方式。
How do I upgrade to Pro?
如何升级到 Pro？
Go to the Profile tab, tap Subscribe, and choose your preferred plan. Pro unlocks all features and removes limitations.
进入"我的"标签页，点击订阅，选择您偏好的方案。Pro 将解锁所有功能并解除限制。
How do I restore my purchase?
如何恢复购买？
Go to Profile > Restore Purchase. If you have an active subscription associated with your Apple ID, it will be restored automatically.
进入"我的" > "恢复购买"。如果您有与 Apple ID 关联的有效订阅，它将自动恢复。
Contact Us
联系我们
For any questions, feedback, or bug reports, please reach out to us at:
如有任何问题、反馈或错误报告，请通过以下方式联系我们：
govomusic@gmail.com
We typically respond within 24-48 hours on business days.
我们通常在工作日 24-48 小时内回复。