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Merge PDFs

PDF Tools

Merge multiple PDF files into one document. Combine pages from different sources.

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PDF limits: 25 MB per file, 100 pages, 2000 points per page side.

PDF files
📄Click or drag PDF files hereChoose two or more PDFs, then arrange them before merging

Upload PDFs or load the sample to begin.

Combining several PDFs into one document by hand usually means opening each file separately and manually copying pages across, an error-prone process for anything beyond two or three short files, especially once the pages need to end up in a specific order pulled from multiple different sources rather than just appended one after another. This tool merges multiple PDF files into a single document, combining pages from different sources in whatever order they're actually needed rather than a fixed append-only sequence.

See more about the Merge PDFs

Useful for combining several scanned documents into one PDF for a single submission, merging a cover letter, a resume, and a portfolio into one file for a job application, or assembling pages pulled from multiple source PDFs into one document in a specific intended order. Input PDFs are limited to 25 MiB, 100 pages and 2,000 points per page side. Plan-specific upload limits may be lower. Merge up to 20 files with no more than 100 pages in total.

Examples

Combine scanned documents for one submission

Input: page1.pdf, page2.pdf, page3.pdf
Output: submission-combined.pdf

Merges several files into one without manual page copying.

Assemble an application packet in a specific order

Input: cover-letter.pdf, resume.pdf, portfolio.pdf
Output: application-packet.pdf (in that order)

Preserves the order shown in the merge list.

Key features

  • Clean interface
  • Fast processing
  • No signup required
  • Works offline

Quick answers for Merge PDFs

Can I change the order of the PDFs before merging?
Yes, each file in the list has up and down arrows to reorder it, so pages appear in your merged document in whatever sequence you choose.
What happens if I select a non-PDF file?
The tool reports an error for non-PDF files or files that fail parsing. Remove the invalid file and try again.
How do I know the merge worked correctly?
The result message reports the exact combined page count, calculated by copying every source PDF's pages in order into the new document with pdf-lib.
What PDF limits apply?
Up to 25 MiB per input PDF, 100 pages and 2,000 points per page side. Plan-specific upload limits may be lower. Merge up to 20 files with 100 pages total.