How to merge PDF files
- Add your PDFs. Drag your files onto the box or click to browse. The page count for each file is read instantly.
- Set the order. Use the up and down buttons to arrange the files top to bottom, which becomes the page order in the final document. Remove any file with the X button.
- Merge and download. Press Merge and download. Every page from each PDF is copied into one new file in order.
- Save your file. The combined
merged.pdfdownloads straight away, with no email and no link to wait for.
What does it mean to combine PDF files?
To combine PDF files (also called joining or merging) means taking two or more separate PDF documents and stacking their pages into one single file. The page order of the new document follows the order of the files in your list, so a three page invoice placed above a two page receipt becomes one five page PDF. This is the fastest way to assemble a complete record from pieces that were created or scanned at different times.
Why join PDF files into one document?
A single PDF is simply easier to handle than a folder full of separate documents. Common reasons people merge and combine PDF files include:
- One attachment to send. Email a finished report or signed agreement as a single file instead of five.
- Tidy paperwork. Join scanned receipts, an ID, a cover letter, and a CV into one application packet.
- Better for printing and archiving. A combined PDF keeps pages in a fixed, predictable order for printing or long-term storage.
- Portals that accept one file. Many upload forms allow a single PDF only, so merging gets your documents under that limit.
Examples of when to merge and combine PDFs
Students join lecture handouts and notes into one study file. Freelancers combine an invoice, a contract, and a proof of work into a single client PDF. Job seekers merge a resume and cover letter, while home buyers join bank statements and ID scans for a mortgage application. Any time several PDFs belong together, combining them keeps everything in one clean, orderly document.
Frequently asked questions
How do I merge PDF files for free?
Add your PDFs, drag them into the order you want, then press Merge and download. The tool joins every page into one new file with no sign-up and no watermark.
Can I reorder the files before I combine them?
Yes, use the up and down buttons. The merged document follows the order shown in the list, top to bottom.
Will it work on a password-protected PDF?
It can often read encrypted files for merging, but a PDF with a strong open password may fail. Remove the password first if you hit an error.
Is there a page or file limit when I join PDF files?
There is no fixed limit. The size of the merge is only capped by the memory available on your computer or phone.
Related: turn images into a PDF first, then merge them with your other documents here.