Merge PDF Files
Upload multiple PDFs and combine them into one document.
Need help? Read our guide on how to merge PDF files.
Merge PDF Files Online
Combine several PDF documents into a single file quickly and easily. Our free online PDF merger lets you upload multiple files and join them into one cohesive document in seconds — no software installation required.
How to Merge PDF Files
- 1 Click the upload area and select multiple PDF files (hold Ctrl or Cmd to select more than one)
- 2 The files will be combined in the order you selected them
- 3 Click Merge PDFs
- 4 Download your merged document
Common Reasons to Merge PDFs
Combining a multi-part report: When different team members produce separate sections, merging brings everything together into one file for distribution or submission.
Assembling scanned pages: Scanners often produce one file per page. Merging joins them into a single readable document.
Bundling invoices for accounting: Group monthly invoices or receipts into one file for your accountant or tax records.
Creating a portfolio: Designers, writers, and other creatives can combine work samples into one shareable PDF portfolio.
Filing documents together: Job applications, legal submissions, and government forms often require multiple documents. One merged file is easier to manage and submit.
Tips for Best Results
Upload files in the correct order before merging — the final document follows the upload sequence. If you need to fix page orientation before merging, use the Rotate PDF tool first. After merging, you can reduce the combined file size with our PDF compressor.
Frequently Asked Questions
Does merging affect the quality of my documents?
No. Merging simply joins PDF files together. Text, images, and layouts are preserved exactly as they were in the original files.
Can I merge PDFs with different page sizes?
Yes. Each page keeps its original dimensions. A landscape page from one file and a portrait page from another will both display correctly in the merged result.
How many files can I merge at once?
There is no hard limit on the number of files. However, the total size of all uploaded files must stay within the 10 MB per-file limit. For very large batches, compress files first to stay within limits.
Can I merge password-protected PDFs?
Password-protected files need to be unlocked first. Use our Unlock PDF tool to remove the password, then return here to merge.
Will bookmarks and hyperlinks be preserved?
Basic content including text and images is always fully preserved. Internal hyperlinks and bookmarks are generally carried over, though complex interactive elements may vary depending on the original file.