Merge
PDFs

Combine multiple PDF files into a single document. Drag to reorder before merging.

Upload PDFs

PDF only. Add multiple files at once.

Output

No Output

Upload PDF files and merge to see your combined document.

Learn more

How does PDF structure allow merging pages from different files?

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Frequently Asked Questions

PDF files are merged by reading each document and appending its pages sequentially into a new output document. The resulting file contains all pages from the source files in the order they were added.

Merging PDFs preserves the original content, fonts, images, and layout of each source document. The pages are combined without re-encoding, so no quality loss occurs during the process.

Most PDF merging tools allow dragging or reordering source files before combining them, which controls the page order in the output. Some tools also let you specify individual page ranges from each source file.

MergePDFs