PlainPDF combines selected PDFs in their chosen order without adding a watermark. It copies every page into a new PDF in the browser; corrupt, encrypted, or very large files may fail.
Reviewed by PlainPDF on . How we review our tools.
How it works
The browser loads each selected PDF, copies all of its pages into a new document, and downloads the combined result. Selected files are not sent to an application server.
Best suited to
- Combining reports, forms, and ordinary PDF documents.
- Creating one attachment from several PDFs.
Not designed for
- Repairing corrupt or password-protected files.
- Reordering individual pages after files are selected.
How to merge pdf
- Choose two or more PDF files.
- Keep them in the order selected.
- Download the combined PDF.
When to use this tool
- Combine reports, forms, or scanned pages.
- Create one attachment from several PDFs.
Privacy and file handling
Files are processed in your browser and are not uploaded to our servers. Closing or resetting the tool clears the selected files from this page.
Limitations
- Password-protected or corrupt PDFs may fail.
- Files are merged in the order selected.
Frequently asked questions
How many PDFs can I merge?
You can select multiple PDFs up to the browser memory and 50MB-per-file limit.
Does merging add a watermark?
No watermark is added by this browser tool.
Do I need an account?
No. Core tools do not require an account or email address.
Can I use this on a phone?
Yes. The page and upload controls work in modern mobile browsers.