合并 PDF
将多个 PDF 文件合并为单个文档
已选文件
0
总页数
0
输出
merged.pdf
上传 PDF 文件
选择多个 PDF 进行合并
合并设置
快速排序
提示
1. 建议先放封面或目录文件。
2. 可用上下箭头微调合并顺序。
3. 至少需要两个文件才能合并。
使用方法
上传您的文件
拖放文件或点击浏览。您的文件留在浏览器中。
调整设置
配置选项以获得您所需的精确结果。
下载结果
即时处理并下载您的文件——无需等待，无需上传至服务器。
为什么使用此工具
100% 免费
没有隐藏费用，没有付费等级——所有功能完全免费。
无需安装
完全在浏览器中运行。无需下载或安装任何软件。
隐私且安全
您的数据永远不会离开您的设备。不会上传至任何服务器。
支持移动设备
完全响应式设计——在手机、平板或桌面电脑上均可使用。
您的文件保持私密
此工具完全在您的浏览器中处理文件。不会上传至任何服务器——您的数据永远不会离开您的设备。
- 无服务器上传——100% 客户端处理
- 不存储数据——关闭标签页时文件即被丢弃
- 无需账号——无需注册即可立即使用
How to Merge PDFs: Combine Multiple Files Into One Document
Key Points
- Merging PDFs preserves original formatting, fonts, and images from each source file
- Drag-and-drop reordering lets you control the final page sequence before merging
- All processing happens in your browser—no files are uploaded to any server
Combining multiple PDF files into a single document is one of the most common document tasks. Whether you're assembling a report from separate chapters, merging scanned receipts for expense reporting, or compiling application materials, a reliable PDF merger saves time and keeps everything organized in one file.
100%
Client-side · No upload required
Common Use Cases
Business Reports & Proposals
Combine a cover page, executive summary, financial tables, and appendices into a single professional document for clients or stakeholders.
Job Applications & Academic Submissions
Merge your resume, cover letter, transcripts, and certificates into one PDF for online application portals that accept a single file upload.
Invoice & Receipt Compilation
Gather monthly invoices or travel receipts into a single file for accounting, expense reimbursement, or tax filing purposes.
Legal & Contract Documents
Assemble contract pages, addenda, and signature pages into one complete document for filing or distribution.
提示
1. 建议先放封面或目录文件。
2. 可用上下箭头微调合并顺序。
3. 至少需要两个文件才能合并。
For very large merges (50+ pages), allow a few extra seconds for browser processing to complete.
All PDF merging is performed locally in your browser using pdf-lib. No files are uploaded to any server, ensuring complete privacy of your documents.