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pdfEditor

PDF Merge

Merge PDFs online without uploading to the cloud: combine reports and invoices in one place, privately in your browser.

Runs in browserNo signupCopy or download result
Open editor

Editor

Adjust the asset, then export it.

Upload, paste, or preview the source, tune the options, and leave with a copy-ready or downloadable result.

Source

Upload, paste, or choose the asset to edit.

Preview

Adjust settings and inspect the visible output.

Export

Download, copy, or continue into a Studio.

Upload PDFs in merge order

Use the arrow buttons in the file list to reorder before merging.

Upload 2 or more PDFs to merge

100% free · No sign-up · No file storage

PDF settings

Upload 2 or more PDF files using the upload area above, then click Process to merge them in order.

Download the processed PDF when it is ready.

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Editor workspace and output options

Export package

Keep the source file, review the generated file, then download the final version for sharing.

Input
Uploaded file, page range, conversion format, or quality setting.
Output
Generated document or converted file ready to download.
Review
Open the output once to confirm layout, pages, and formatting.

Usage tips

Usage tip

Upload a supported file, review the options panel, then download the generated result card.

How to edit and export cleanly

PDF Merge combines multiple PDF files into one document while preserving the original pages.

It is useful for putting reports, receipts, forms, scanned pages, or invoice batches into a single file before sharing or archiving.

Common use cases

  • Combine several invoice PDFs into one monthly archive.
  • Merge a cover page, report, and appendix into a single handoff file.
  • Reorder uploaded PDFs before creating a final combined document.

How to use it well

  1. Upload the PDF or source document required by the tool.
  2. Choose page ranges, order, rotation, password, quality, or output format as needed.
  3. Run the tool and wait for the result.
  4. Download the finished PDF and open it to confirm the pages are correct.

Practical tips

  • Upload files in the order you want them to appear.
  • Open the merged PDF once before sending it to confirm page order and page count.
  • Compress very large source PDFs first if the final document needs to be emailed.

Limitations to know

  • Encrypted or damaged PDFs may need to be unlocked or repaired before merging.
  • Very large PDFs can be limited by browser memory.

FAQ

Q: How many files can I merge?

A: No hard limit. Very large files may be slow due to browser memory.

Q: Is my PDF data sent to a server?

A: No. The entire merge happens in your browser using PDF-lib.

Q: Will the formatting be preserved?

A: Yes, all pages are copied as-is from the original PDFs.

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Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.