Merge PDF Files Online — Free & Secure
Combine multiple PDF files into one document in seconds. No sign-up, no watermarks — 100% free and processed locally in your browser.
Choose files
or drag and dropPDF
Your files never leave your device — everything runs locally in your browser.
Continue with another tool
How it works
- 1
Select PDFs
Choose two or more PDF files or drop them into the box.
- 2
Set the order
Sort the files by drag & drop or with the arrows. Each file shows its page count.
- 3
Merge
Click “Merge PDFs”. All pages are copied losslessly into one document.
- 4
Download
Download the merged PDF — no watermark, no sign-up.
Typical uses
- Bundle a job application (cover letter, CV, certificates) into a single file.
- Combine several invoices or receipts for your tax return or bookkeeping.
- Reassemble scanned single pages into one complete document.
Tips
- Pages are copied without re-encoding — quality, text and links are preserved.
- Too large to email? Shrink the result with Compress PDF.
- To reorder or delete individual pages, use Organize PDF.
Related guides
Lightning Fast
All processing happens instantly in your browser — no server uploads needed.
100% Private
Your files never leave your device. Everything is processed locally.
Free Forever
No sign-up, no watermarks, no file limits. Completely free to use.
98 Languages
Available in 98 languages worldwide.
Frequently Asked Questions
How do I merge PDF files online?
Upload your PDF files, arrange them in order, and click "Merge PDFs". Your combined document downloads instantly.
Is it free to merge PDFs?
Yes, 100% free with no sign-up, watermarks, or file limits.
Is my data secure?
All files are processed locally in your browser. Nothing is uploaded to a server.