The first file supplies the first pages
Put the cover, opening section, or first source document at the top of the list before creating the output.
Free online tool · no registration or login
Free PDF Merger Online
Combine two or more PDF files into one document. Add files, set their order, merge the pages, and download the result in your browser without registration or login.
- • Set file order
- • Merge whole PDFs
- • Download one document
- • Runs in this browser
File order
0 filesAdd files to see their order and create the output.
How to merge PDF files
The file list is the final page sequence, so check it before you create the download.
- Step 1
Add the PDFs you want to combine
Choose at least two valid PDF files. Their names and sizes appear in the file-order list.
- Step 2
Set the file order before merging
Use Move up or Move down to place each source document in the order its pages should appear.
- Step 3
Create and download one PDF
Choose Merge PDFs, wait for the ready result, then download the combined document.
Check the file order before you merge
The merged document follows the file list from top to bottom. A quick order check prevents a cover sheet, appendix, or scanned section from landing in the wrong place.
Move or remove a file
Use the visible arrow controls to adjust one file at a time, or remove an unintended source before processing.
Review the output details
After merging, confirm the new filename, page count, and output size before downloading or sharing the result.
What happens when PDFs are merged
This tool makes a new PDF from the pages in the selected source files. It is designed for combining whole PDFs, not for editing their text or selecting page ranges.
Files are processed in this browser
The selected PDFs are read and combined by the browser while the tool runs; no account or external upload is required.
Source pages are copied into one PDF
The merger copies the pages from each selected PDF in the order shown. It does not rasterize pages into screenshots.
The output is a new download
The combined document is created as a new PDF. Download it when the result card appears; reset when you want to start another merge.
When a PDF will not merge
Some source documents or device conditions can prevent a browser-side merge. Check the file type and source document before relying on the result.
Encrypted or damaged PDFs may not load
Password-protected, encrypted, or malformed PDFs may be rejected by the browser library. Use an authorized unlocked source file instead.
Large inputs depend on browser memory
There is no invented fixed limit here. A large combined input can exceed the memory available to the current browser or device.
Use a page-specific tool for page selection
This merger combines complete source PDFs. Extract the pages you need first, then add the resulting PDF to this file order.
Privacy and limits
Your selected PDFs are processed locally in this browser while the merge runs. This free online tool requires no registration or login.
- The merger accepts PDF files and combines whole source documents in their listed order; it does not mix images, Word files, or other formats into this workflow.
- Encrypted, password-protected, damaged, or unsupported PDFs may fail to load.
- Large inputs depend on available browser memory. Review the downloaded output before using it for a legal, regulated, archival, printing, or submission requirement.
PDF Merger FAQ
Answers about ordering, local browser processing, downloads, and supported PDF workflow.
How do I merge PDF files online?
Add two or more PDF files, use the up and down controls to set their order, then choose Merge PDFs. When processing finishes, download the new combined PDF.
Do I need an account to merge PDFs here?
No. This PDF merger is free online and does not require registration or login.
Are my PDF files uploaded?
No. The selected PDFs are processed in this browser while the merge runs. The tool does not send them to an external service.
Can I change the file order before merging?
Yes. Each added file has Move up and Move down controls. The first file in the list supplies the first pages of the merged document.
Can I merge more than two PDF files?
Yes. Add the PDFs you need, review their order, and merge them into one output. The practical amount depends on the memory available to your browser and device.
Does merging reduce PDF page quality?
The tool copies the existing source pages into a new PDF instead of rasterizing them as images. It does not determine whether a source file itself is suitable for printing, archiving, or a required submission standard.
Can I merge password-protected PDFs?
Encrypted, password-protected, or damaged PDFs may not load. Open or decrypt the document with the appropriate permission before trying again.
Why did the PDF merger fail?
A file may be encrypted, damaged, not a valid PDF, or too large for available browser memory. Remove or replace the problematic file, then try again.
Can I choose only certain pages from each PDF?
This merger combines whole selected PDFs in file order. Use the PDF Page Extractor first if you need to make a page-specific PDF before merging.
Is this PDF merger free online?
Yes. You can merge PDFs free online without registration or login.
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Open toolReady to combine your PDFs?
Add at least two files above, review the order, then create one download.