Merge PDF
Merge multiple PDF files into one document in your browser. Reorder files before merging, then preview and download your combined PDF.
Drop PDF files here or PDF documents only · up to 50 MB per fileSelect at least two PDFs. Files are processed in your browser and are not uploaded to PDFArmy.
Files to merge
0 PDFs selected
Use the arrows to change the order. The first file will appear first in the merged document.
Your merged PDF is ready
Privacy note: this tool reads and combines your selected PDFs locally in your browser. The PDF processing library is loaded from jsDelivr; your document contents are not sent to PDFArmy by this tool.
How to merge PDF files
- Select two or more PDF documents.
- Use the arrows to arrange the files in the order you want.
- Select Merge PDFs, then preview and download the combined document.
Important limitations
Some encrypted, password-protected, malformed or unusually complex PDFs may not be supported. Form fields, digital signatures, bookmarks and certain interactive features may not be preserved exactly when documents are merged. Keep your originals and review the output before relying on it.