Drop your PDFs here
Or click to choose from your computer
使用方法
Upload your PDFs
上传多个PDF文件
Reorder files
通过拖动或使用排序按钮重新排序
Configure & merge
如需要,配置输出页面大小
专业提示
Tip 1
文件按显示顺序合并
Tip 2
拖动手柄重新排序
Tip 3
自然排序与Windows相同
Or click to choose from your computer
上传多个PDF文件
通过拖动或使用排序按钮重新排序
如需要,配置输出页面大小
文件按显示顺序合并
拖动手柄重新排序
自然排序与Windows相同
快速轻松地将多个PDF文件合并为一个文档。我们的免费工具让您能够合并PDF、重新排列页面并创建专业文档,无需安装软件。
通过将文件拖到上传区域轻松添加文件。支持同时添加多个文件。
通过拖动缩略图来整理文档顺序。一键按字母顺序排序。
保持原始大小或统一为A4、A3或Letter。非常适合混合文档。
您的文件被安全处理。文档在下载后自动删除。
您可以在一次操作中合并最多20个PDF文件。总大小不应超过100MB。
是的。合并过程会保持所有元素的原始质量:文本、图片、字体和格式。
可以。在合并之前,您可以拖动文件来改变顺序。也可以按字母A-Z或Z-A排序。
您可以选择保持原始大小或将所有内容标准化为统一格式(A4、A3、Letter)。
快速轻松地将多个PDF文件合并为一个文档。我们的免费工具让您能够合并PDF、重新排列页面并创建专业文档,无需安装软件。
通过将文件拖到上传区域轻松添加文件。支持同时添加多个文件。
通过拖动缩略图来整理文档顺序。一键按字母顺序排序。
保持原始大小或统一为A4、A3或Letter。非常适合混合文档。
您的文件被安全处理。文档在下载后自动删除。
Internal bookmarks, table-of-contents links, and hyperlinks from each document are preserved in the merged output.
Use the merger from your desktop, tablet, or phone. The responsive interface adapts to any screen size.
Our PDF merger reads the internal structure of each uploaded file and reconstructs them into a single document while preserving every element. Page content streams, embedded fonts, images, bookmarks, and annotations are all carried over faithfully. The tool handles mixed page sizes and orientations seamlessly, and you can optionally normalize all pages to a single format like A4 or Letter. Files are processed in the exact order you arrange them in the interface, giving you full control over the final document structure. The merge operation works at the PDF object level, meaning there is zero quality loss. The tool can handle scanned pages, vector graphics, interactive forms, and even layered PDFs. Processing completes in seconds, and the final file is ready for immediate download.
Security is built into every step of the merge process. Files are uploaded over TLS-encrypted connections, processed in an isolated server environment, and permanently deleted after download. We have no access to your document contents and comply fully with GDPR data protection regulations.
Use the drag-and-drop interface to arrange files in the exact order you want. For large projects, rename files with numeric prefixes (01_, 02_, etc.) before uploading, then use the A-Z sort button to order them instantly.
您可以在一次操作中合并最多20个PDF文件。总大小不应超过100MB。
是的。合并过程会保持所有元素的原始质量:文本、图片、字体和格式。
可以。在合并之前,您可以拖动文件来改变顺序。也可以按字母A-Z或Z-A排序。
您可以选择保持原始大小或将所有内容标准化为统一格式(A4、A3、Letter)。
Yes. Your files are transferred over an encrypted HTTPS connection and processed on secure servers. They are automatically deleted after you download the merged document. We never read, store, or share your content.
Absolutely. The tool preserves the original orientation of each page. If one PDF is portrait and another is landscape, both will appear correctly in the final merged document.
No. The merger is completely free and requires no registration. Simply upload your files, arrange them, and download the result.
Yes. The merger works with any valid PDF regardless of whether it contains scanned images, editable text, forms, or a combination of all three.