Merge PDF
Merge PDF Files Instantly
Combine multiple PDFs into one unified document. Securely processed in your browser—no uploads required.
Drop PDF files here
Reorder files after uploading
Files to Merge 0
Drag and drop items below to reorder them.
How to merge PDF documents
Choose the PDF files in the merge tool above and arrange them in the intended order using any available controls. Start the merge, download the combined PDF and open it in a separate viewer. Check the first and last pages of each original document to make sure nothing is missing or duplicated.
Organize files before merging
Use descriptive filenames and confirm the correct versions before combining documents. If the files contain different page sizes or orientations, the merged PDF may retain those differences. Review page order, headings and page numbers carefully, especially when preparing an application, report or study packet.
Forms, signatures and privacy checks
Interactive forms, bookmarks, annotations and digital signatures may not behave the same way after merging. Modifying a digitally signed PDF can invalidate its signature. Keep copies of the originals and verify the final output before sharing. For sensitive records, review how the tool handles uploaded documents and use an approved secure workflow.
Frequently asked questions
Does merging reduce file size? Not necessarily; combining documents often increases the total size. Can I merge scanned PDFs? Often yes, since merging operates on pages, but tool support varies. Will the original PDFs change? Keep originals as a backup and inspect the merged output.






