Merge PDF: free online tool
Merge PDF joins two or more PDF files into a single document. Add your files, put them in the order you want and download one combined PDF.
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How to use Merge PDF
- Open the Merge PDF tool and select two or more PDF files.
- Use the up and down arrows to arrange the files in the order you need.
- Click "Merge PDFs into 1 File".
- Download the combined PDF.
What you can do
- Combine any number of PDFs in a custom order
- Page content is copied as-is, so text stays selectable
- Works on desktop and mobile browsers
Runs 100% in your browser · No upload · No sign-up · No limits
Privacy and where your file is processed
Runs 100% in your browser. Your file never leaves your device: no upload, no account and no usage limit.
Free usage limits
Free to use. In your browser: no account, no file-size limit and no usage limit. Advanced AI mode (our private GPU server): free account with 150 credits a month (1 credit per page for OCR and PDF to Word), files up to 50 MB and 100 pages. There is no paid tier.
Frequently asked questions
How do I merge PDF files for free?
Open the Merge PDF tool, choose your PDFs, arrange them with the arrows and click merge. The combined file downloads straight from your browser.
Does merging reduce quality?
No. Pages are copied into the new document without being re-rendered, so text, images and vector graphics keep their quality.
Can I change the order of the files?
Yes. Use the up and down arrows next to each file before you merge.