PDF Tools

Merge PDF Files

Combine multiple PDFs into one cleaner handoff document after you confirm the exact order, remove mistakes, and build the right queue.

or drag and drop PDF files here

Tip: add more files later without losing the queue you already built.

Ready for upload.

PDF merge guide

Use this tool when the main job is building one ordered document from several PDF files, and you want to confirm the queue before exporting.

Best uses

  • Combine contracts, invoices, reports, or receipts into one review package.
  • Join exported sections of a report after checking the final order.
  • Build a single handoff PDF from several source files without installing PDF software.

How it works

Add two or more PDFs, review the queue, move files up or down, remove mistakes, then merge. The output follows the visible queue exactly.

Supported files

The inputs must be PDF files. Password-protected, encrypted, or damaged PDFs may not merge because the browser cannot read their pages safely.

Privacy and limits

Files are read and merged in the browser session. Very large documents or many high-resolution scanned PDFs can hit browser memory limits.

Common issues

  • Merge does not automatically compress the output or repair broken PDF files.
  • Review the queue before exporting because page order follows file order.
  • If you only need selected pages, split the source PDF first.

Next step

If the merged file is too large to send comfortably, continue with PDF Compress. If you need the reverse workflow later, use PDF Split.

When this becomes repeat work

Need split, merge, and final export in one pass?

PDF Merge stays right for one clean combine. Use PDF Delivery when the same handoff also needs queue cleanup, optional splitting, and one final PDF export step.

Before you send a PDF

Decide whether the job changes visible content, page order, or file size. Fill and sign before final compression, split before merging if only some pages are needed, and review the exported PDF before sending it to a client, portal, or archive.

PDF work often fails when the final destination is ignored. A portal may care about file size, an approval flow may care about signatures, and a handoff may care about page order. Work backward from that requirement and keep the final downloaded file separate from the original.

After downloading the result, open it once before using it in a client send, upload form, website, or archive. This final check catches format support issues, unexpected file size changes, missing characters, clipped media, or page-order mistakes while the original file is still available.

If the output will be reused, note the settings that produced it. That makes the next export easier to repeat and reduces guesswork when another file needs the same treatment.