How to Merge PDF Files into One (Free, on Phone or PC)
When you need to merge PDFs
Many forms and offices want one file instead of five: a resume with certificates, a month of invoices for your accountant, GST documents for a loan, or shipping label batches from several seller accounts that need to print as one queue.
How to merge PDF files online
- Open Merge PDF.
- Add two or more PDFs. You can select several at once, and add more later.
- Put them in order: drag the rows, use the up and down arrows, or tap Sort by name.
- Change the file name if you like, then click Merge PDFs.
- The combined PDF downloads straight away. You can download it again from the same page.
Merging PDFs on Android and iPhone
You do not need an app. Open the Merge PDF page in Chrome or Safari, tap the drop area and choose files from Downloads, Files, Google Drive or iCloud. On a phone the Merge button stays pinned at the bottom of the screen once your files are added.
Tips for a clean merged file
- Remove pages you do not need before merging with Split PDF.
- If the merged file is too big for an upload limit, run it through Compress PDF.
- Name files with numbers (01, 02, 03) and use Sort by name to get the order right in one tap.
- Merging copies pages as they are, so text stays selectable and barcodes stay sharp.
Your files are merged inside your browser and never uploaded, which matters for invoices, ID proofs and customer label PDFs.
Frequently asked questions
How many PDFs can I merge at once?
There is no fixed limit. Very large batches depend on the memory of your phone or computer.
Does merging reduce the quality?
No. Pages are copied exactly as they are.
Can I merge JPG photos with PDFs?
This tool merges PDF files. Save photos as PDF first — most phone scanner apps can do that — and then merge them.
Is there a watermark?
No. The merged PDF has no watermark and no sign-in is needed.