合并 PDF
将多个 PDF 文件合并为一个文档。在下面拖放您的文件。
将您的 PDF 拖到此处
或 点击选择
仅限 PDF — 每个文件最大 100 MB — 至少 2 个文件
Publicité
具体结果
典型文件的真实压缩示例
之前 / 之后
单独文件
1 个单个 PDF
12
PDF 最大数量
10s
平均时间
按模式减小
“我原来有 8 份单独的报告，现在是一份干净的 PDF。谢谢！”
Free PDF Merger Online — Combine PDFs Without Quality Loss
Combine multiple PDF files into one perfectly ordered document in seconds. No software installation, no account required — just upload, arrange and download. Files are automatically deleted after 1 hour.
How to merge PDFs in 3 steps
1. Click Upload PDF and select all files — or drag & drop them onto the upload zone. 2. Reorder files by dragging thumbnails to your desired sequence. 3. Click Merge and download your combined PDF instantly. The entire process takes under 30 seconds for most documents.
Why merge PDFs?
Merging is essential for consolidating documents: combining a cover letter, CV and portfolio into one application file; assembling monthly reports into a quarterly summary; grouping invoices or receipts for accounting; creating a single study guide from multiple chapter PDFs. One file instead of many reduces email friction and avoids version confusion.
Security and privacy
All uploads use HTTPS TLS 1.3 encryption. Files are processed in an isolated environment and permanently deleted after 1 hour. FileSwiftly never reads, indexes or shares your documents. Full GDPR compliance — no account, no tracking.
FAQ
How many PDFs can I merge at once?
Up to 20 PDF files per merge operation. Each file can be up to 100 MB.
Does merging affect PDF quality?
No. Text, images, fonts, hyperlinks and bookmarks are all preserved exactly. No re-encoding or quality reduction occurs.
Can I change the page order after merging?
Reorder entire files before merging by dragging thumbnails. To reorder individual pages within the merged result, use our Organize PDF tool afterward.
Can I merge password-protected PDFs?
Yes, if you provide the correct password during upload. Alternatively, use our Unlock PDF tool first, then merge.
Will bookmarks and hyperlinks be preserved?
Yes. Internal hyperlinks and existing bookmarks are preserved. Cross-document links may need manual updating after merging.
Can I merge PDFs on mobile (iPhone/Android)?
Yes. FileSwiftly works in any mobile browser — Safari, Chrome, Firefox. No app download needed.
评论与评分
写评论
您的评分 *
了解FileSwiftly如何收集、使用和保护您的个人数据和文件。符合GDPR规定。
0/500 characters
成为第一个发表评论的人！
相关工具
继续使用这些补充工具