How it works
Merge PDFs in 3 easy steps
1
Upload your PDFs
Select or drop multiple PDF files. You can add up to 20 PDFs at once.
2
Arrange order
Drag files or use the arrows to change their order. Choose pages from each PDF, or leave All.
3
Download merged PDF
Click Merge and your combined PDF downloads instantly.
Merge limits & tips
PDF merge — what you need to know
Use this table to plan your merge before uploading.
| Scenario | Files | Approx. Total Size | Result |
|---|---|---|---|
| Email-friendly report | 2 – 5 PDFs | Under 5 MB | Perfect |
| Presentation + appendix | 5 – 10 PDFs | 5 – 15 MB | Works great |
| Contract bundle | 10 – 20 PDFs | 15 – 25 MB | Use compression after |
| Large document archive | 20+ PDFs | 25+ MB | Split into batches |
Merged file size calculator
TOTAL FILES
3
MERGED SIZE
6.0 MB
RECOMMENDATION
Good to go
Common merge scenarios
📊 Reports with appendices
Merge your main report with supporting data, charts and references into one clean PDF to send to clients.📁 Document bundles
Combine invoices, receipts and contracts into one file for accounting or legal submissions.📚 Book chapters
Merge separately written chapters into a single manuscript. Preserves all formatting from each file.🖨️ Print-ready files
Combine cover page, content and back matter into one PDF ready to send to a print shop.FAQ
Frequently asked questions
How many PDFs can I merge at once?
Merge 2–20 PDFs, up to 25 MB per file, 45 MB combined and 200 output pages. Each source PDF may contain up to 200 pages. Page ranges such as 3, 1-2 are merged in the order entered.
Will the quality be affected?
No. We simply combine the PDF pages without re-encoding or compressing them. Quality is identical to the original files.
Is it free to merge PDFs?
Yes, completely free. No account, no watermarks, no limits on how many times you use it.
Are my files secure?
Yes. All files are transferred securely over HTTPS and deleted from our servers within 1 hour.
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