将多个PDF文档合并为一个文件。上传PDF后拖拽排序，点击合并即可立即下载结果。全程在欧盟服务器处理，一小时内自动删除。
Combine multiple PDF files into one
Drag & drop files here, or click to browse
PDF · up to 50 MB (free)
Yes. Konomic's merge tool is free with no signup. Free tier allows 20 merges per day with files up to 50 MB each. The merged PDF is delivered without watermark.
Yes. After uploading, drag files into the order you want. You can also split larger PDFs into page ranges before merging if you need granular control.
On the free tier, up to 20 files per operation. Pro ($4.99/mo) and Business ($14.99/mo) allow unlimited files per merge.
Yes. Files are uploaded over TLS 1.3, stored on EU servers (Germany), encrypted at rest, and auto-deleted within 1 hour. Konomic never trains AI models on user files.
Yes. Bookmarks, internal/external hyperlinks, and interactive form fields are preserved from each input PDF in the merged output.
See how Konomic compares to popular merge pdf tools:
上传两个或更多PDF文件
拖拽调整文件顺序
点击「合并PDF」
下载合并后的文档
无隐藏费用，无需信用卡。基础工具永久免费。
TLS加密传输，欧盟服务器处理，文件一小时内自动删除。
大多数操作几秒内完成，无需排队。
直接在浏览器中使用，不占用设备空间。
电脑、手机、平板均可流畅使用。
文件绝不用于AI训练，绝不与第三方共享。
免费版每次最多20个文件，每天3次（注册免费账户后20次）。Pro版无限制。
会。合并时保留书签、超链接和表单字段。
文件通过TLS加密传输，在德国的欧盟服务器处理，一小时内自动删除，绝不用于AI训练。
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