Merge PDF
Combine your PDF files into a single document, in the order you want.
How to merge PDF files
- Choose the PDF files you want to combine
- Put them in the order you need
- Download the merged PDF
How to merge PDFs online quickly and securely
Need to send a contract, attachments, and a scan as a single file? One2PDF lets you merge PDF files online for free, with no software to install. Import at least two files, drag the thumbnails to set the order, then start the merge: in a few seconds you get one document, ready to download.
Combining several PDFs does not have to be technical. The tool keeps pages as they are, with no watermark, and can add page numbers if you need them. It is a practical way to combine PDFs into one file for a job application, an email attachment, or simpler archiving.
Security stays at the center of the flow: the originals are not kept, the result is available for download, then deleted. No account is required for occasional use. Merge your PDFs now, check the page order before you share, and come back to One2PDF whenever several documents should become one.
What this tool does
- Clear, fast merging — Combine PDFs with no watermark, a visual preview and the order you choose.
- Files processed securely — Your documents stay temporary and are deleted automatically after processing.
- On every device — Computer, tablet or phone: merge directly in your browser.
- No installation — Import your files, reorder them, then download the final document.
- Immediate result — Processing takes a few seconds and is ready to share.
- Visual interface — Drag and drop your PDFs, see thumbnails and merge in one click.
Frequently asked questions about merging PDFs
How many PDFs can I merge at once?
You can add several PDFs and reorder them with the thumbnails. The free plan has a daily document limit and a 20 MB file limit. Pro unlocks batch processing and larger files.
Do I need an account to merge PDFs?
No. Free use does not require a name or an email. You pick the tool, upload the files, then download the result.
Are the original PDFs stored?
No. Originals are deleted when processing ends. The merged file is deleted after download, or automatically within 15 minutes if you do not download it.