Merge PDF

Combine multiple PDF files into one single document in the correct order.

Merge PDF

Combine multiple PDF files into a single PDF in the order you choose.

Easy, fast and secure.
Drag & drop your PDF files here or

You can add up to 20 PDF files · 25MB each

1 PDF Files (Drag to reorder)
No files selected
2Merge Options
Choose 2 or more PDF files to merge.
Practical guide

Using Merge PDF with confidence

Reviewed by LipiCode Editorial Team

What this tool helps you do

Merging PDFs places complete source documents into one ordered file. It is useful for assembling related material, but it does not automatically normalize page sizes, repair accessibility tags, or reconcile conflicting forms and bookmarks.

When it is useful

  • Combining report chapters
  • Assembling application documents
  • Joining scanned pages
  • Creating one distribution package

A practical example

Arrange a cover letter first, supporting evidence second, and appendices last. After merging, check the transition between every source file and confirm no blank or rotated pages were introduced.

Limitations and common mistakes

Encrypted, signed, damaged, or interactive PDFs may require special handling. Digital signatures can become invalid when a document is changed. Keep originals and avoid merging confidential files on an untrusted service.

Frequently asked questions

Will bookmarks be preserved?

Preservation varies with the source PDFs and merge process; inspect the output navigation.

Can differently sized pages be merged?

Yes, but page dimensions remain different unless separately normalized.

Read the related in-depth guide