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Merge PDF

Combine two or more PDF files into one document. Drag the files into the order you want, and every page keeps its original size, text and images.

Select PDF files

or drop them here

  • Free
  • No sign-up
  • Up to 100 MB
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About this tool

About Merge PDF

Merge PDF joins several PDF files into a single document, in the order you choose. Add two or more files, drag them into place, and click merge. The pages of each file are copied into the new PDF one after another, exactly as they are. Text stays selectable, images are not recompressed, and each page keeps its own size and orientation, so an A4 report followed by a US Letter appendix comes out as a valid mixed-size document. Because pages are copied rather than re-rendered, the merged file looks identical to the originals and its size is roughly the sum of the input files. Merging runs on our server: your files are sent over HTTPS, combined, returned to you, and then deleted straight away. We don't keep copies and you don't need an account. All files together can be up to 100 MB per merge. The tool works in any modern browser on Windows, Mac, Linux, Android and iPhone, so you can combine scanned documents, invoices or certificates wherever you are without installing software.

Merge PDF tool

When merging PDFs saves time

Common reasons people combine PDF files

Application documents

Many job, visa and government portals accept only one file, but your ID, certificates and forms are separate PDFs.

ExampleCombine an application form, a passport copy and three certificates into one PDF, in the order the portal asks for them.

Invoices and reports

Accountants and clients usually prefer one file for a month of invoices or a report with its appendices.

ExampleMerge 12 monthly invoices into one PDF for your annual tax filing.

Assignments and notes

Put a cover page, the main document and scanned working pages together before you submit.

ExampleAdd a cover sheet PDF in front of your assignment and scanned handwritten pages at the end.

Contracts with annexures

Keep an agreement and its schedules or annexures in one file so nothing gets separated.

ExampleCombine a rental agreement with its inventory list and ID proofs before sending it for signature.

Loan and visa applications

Portals often accept a single PDF, so every supporting document must go in one file.

ExamplePayslips, a bank statement and an ID scan are merged in the order the checklist asks for.

Legal bundles

Combine pleadings, exhibits and correspondence into one document for filing or sharing.

ExampleA contract and its three schedules become one PDF, ready to send for review.

Tips for a clean merged PDF

Small things that avoid problems later

Unlock password-protected files first

An encrypted PDF can't be merged without its password. Remove the password with Unlock PDF, merge, then add protection back to the final file if you need it.

Open Unlock PDF

Bookmarks are not combined

The page content, text and links are kept, but the bookmark lists (outlines) of the source files are not carried into the merged file. Add bookmarks afterwards in a PDF editor if you need them.

Compress after merging

The merged file is about the size of all the inputs added together. If it's too big to email or upload, run it through Compress PDF afterwards.

Open Compress PDF

Merge before signing

Merging creates a new file, so any digital signature in a source PDF is no longer valid in the result. Merge first, then sign the final document.

Only need some pages?

Take the pages you want out of a long PDF with Split PDF first, then merge just those pages with your other files.

Open Split PDF

Name files before adding them

Numbering files like 01-cover.pdf and 02-report.pdf makes it easy to check the order before merging.

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