Merge PDF Files
Combine multiple PDF files into one document. Perfect for reports and presentations.
Drop your files here
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Supported formats: .pdf
Frequently Asked Questions
Is merging PDFs free?
Yes. PDF.it lets you merge PDFs for free, up to 10 times per day. No software needed beyond a free account.
How many PDFs can I merge at once?
You can combine as many PDF files as you need in a single merge. Just upload them all and we'll combine them into one document in the order you provide.
Will merging affect the quality of my PDFs?
No. Merging PDFs does not alter the content, formatting, images, or fonts in any of your files. The output is identical in quality to the originals.
Are my files secure when I upload them?
Yes. All files are transferred over HTTPS, processed securely, and automatically deleted after your session. We never store or share your documents.
What is the maximum file size for merging?
Free accounts can upload files up to 25MB each. Pro and Business accounts can upload files up to 200MB each.
Do I need to install any software?
No. PDF.it works entirely in your browser — no downloads, no plugins, no installations needed.