Merge PDF
Combine multiple PDF files into a single document in any order.
Click or drag PDF files here
Add 2 or more PDFs — they'll be merged in the order shown below
Max 100 MB per file
How it works
Upload two or more PDF files, drag to reorder them if needed, and click Merge. The tool combines all PDFs into a single document while preserving the original formatting, fonts, and images on every page.
Why use this tool?
Used by professionals to combine reports, students to merge multiple assignment files, and HR teams to collate documents. Avoid paying for Adobe Acrobat Pro — this free PDF merger does the same job instantly.
Frequently Asked Questions
Is this PDF merger free?
Yes, completely free with no file size limits imposed by PreppTools.
How many PDFs can I merge at once?
You can merge multiple PDF files in a single operation. Simply add all files and arrange them in the order you want.
Is my PDF data private?
Yes. PDF processing happens in your browser using PDF-lib. Your files are never uploaded to any server.
Can I reorder pages before merging?
You can reorder the files before merging. For page-level reordering within a single PDF, use the Reorder PDF Pages tool.
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