How do I merge PDF files?

Upload your PDF files, drag them into your preferred order, and click Merge. Your combined PDF downloads instantly.

How many PDF files can I merge at once?

You can merge up to 20 PDF files in a single operation. If you need to merge more, merge in batches and then merge the results.

Can I choose which pages to include from each PDF?

Yes. Use the page range selector on each file to include specific pages. Use formats like "1-3, 5, 8-10" to select non-consecutive page ranges.

Does merging PDFs reduce quality?

No. PDF merging combines files at the binary level without re-encoding content. Image and text quality are perfectly preserved.

Is there a file size limit?

The total combined size of all uploaded PDFs must be under 200MB.

Free PDF Merger — Combine PDFs Online

Combine up to 20 PDFs into one file. Drag to reorder, pick page ranges per file, and rotate pages. Files are processed securely and deleted within an hour.

Drop your PDF files here

or browse · .pdf · max 50MB each

Frequently Asked Questions

How do I merge PDF files?: Upload your PDF files, drag them into your preferred order, and click Merge. Your combined PDF downloads instantly.
How many PDF files can I merge at once?: You can merge up to 20 PDF files in a single operation. If you need to merge more, merge in batches and then merge the results.
Can I choose which pages to include from each PDF?: Yes. Use the page range selector on each file to include specific pages. Use formats like "1-3, 5, 8-10" to select non-consecutive page ranges.
Does merging PDFs reduce quality?: No. PDF merging combines files at the binary level without re-encoding content. Image and text quality are perfectly preserved.
Is there a file size limit?: The total combined size of all uploaded PDFs must be under 200MB.