ByteDip
Local-first • No server upload

How to Merge PDF Files Locally in Your Browser

When several PDFs belong together, merge them into a new copy while keeping the originals unchanged and on your device.

The short answer

Choose two or more PDF files in ByteDip’s Merge PDF tool, arrange them in the order you want, then merge and download the new document. The source PDFs are not edited or uploaded; ByteDip creates a separate merged copy in your browser.

This is useful for assembling a packet, combining signed pages, or collecting related exports before sending one file onward.

Before you merge

  • Rename or note the source files if their order is not obvious.
  • Check that each PDF opens normally and is not encrypted in a way the browser cannot read.
  • Decide whether you need every page or only selected pages from each document.

ByteDip supports files up to 200 MB each. If the source is malformed or encrypted, the merge may not be able to process it.

ByteDip Merge PDF tool showing the local PDF drop area and the merge-order panel before files are selected
The merge workspace keeps file order and the local-processing boundary visible before you create the new PDF.

How to combine the files

  1. Choose the PDFsSelect two or more PDF files from your device. The tool keeps the selected file contents in the browser.
  2. Arrange the orderReview the file list and move documents into the sequence the finished PDF should use.
  3. Merge the documentsChoose the merge action to create one new PDF from the selected files.
  4. Download the resultOpen or save the merged copy, then keep the source documents until you have confirmed the pages and order.

When another PDF tool is better

Use Split PDF when every page should become its own download. Use Extract PDF Pages when you need a selected range or a few individual pages in one new document. Keeping those decisions separate makes the resulting PDF easier to review.

Common questions

Are my PDFs uploaded?

No. PDF processing stays in this browser.

Can I change the original PDFs?

No. ByteDip creates a separate merged copy.

How many PDFs can I merge?

The tool accepts two or more selected PDFs, subject to browser memory and the 200 MB per-file limit.