In what order are the PDFs merged?

Files are merged in the order they were added to the upload list, top to bottom.

How many PDFs can I merge at once?

You can merge up to 25 PDF files per request, with up to 750 combined pages.

Not yet - password-protected PDFs aren't supported at this time.

Yes. Combining PDF files into one document is completely free, with no signup and no limit on how many files you merge.

Yes, drag the file thumbnails into the order you want before combining them.

所有工具

上传两个或更多 PDF，按添加顺序合并为一个文件。

拖放要合并的 PDF 添加两个或更多 PDF，将按列表顺序合并选择 PDF

Files merge in the order shown above. Remove and re-add a file to move it to the end.