Merge PDF Files Online
Combine multiple PDF files into one document. Free, no signup required.
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Drag & drop PDF files here
or click to browse — select multiple PDFs
PDF files only — Max 50MB each, up to 20 files
How to Merge PDF Files Online
- Upload PDFs — Drag and drop or select multiple PDF files.
- Arrange order — Files are merged in the order shown.
- Download — Click "Merge" and download your combined PDF.
Why Use Toolcairn PDF Merger?
- 100% Free — Merge unlimited PDFs at no cost.
- Up to 20 files — Combine up to 20 PDFs in one go.
- Preserves quality — No quality loss during merge.
- Secure — Files auto-deleted after 1 hour.
FAQ
How many PDFs can I merge?
Up to 20 PDF files, each up to 50MB in size.
Does merging affect quality?
No. The merge process preserves the original quality of all pages.