Merge PDF

Merge pdf online with a simple workflow: upload multiple PDFs, drag the list to control order, preview names and sizes, tap Merge PDFs, then download the combined file. This pdf merger free tool runs entirely in your tab — combine pdf files without sending them to a server.

Upload PDFs

Drag and drop or browse — up to 15 files, 35.0 MB each. Combine pdf files in the order shown below; nothing is uploaded to a server.

Drag & drop PDF files here

or click to browse

0/15 files

File list

Preview order — drag rows to change how pages are combined in the final PDF.

No files yet. Upload at least two PDFs to merge pdf online.

Actions

Merge runs entirely in your browser. Password-protected PDFs may fail until unlocked.

How to merge pdf online

This pdf merger free flow is built for contracts, scans, and handouts — combine pdf files without installing Acrobat.

1
Upload two or more PDFs (drag the list to set the exact merge order).
2
Click Merge PDFs and wait while pdf-lib copies every page into one document.
3
Download merged.pdf, then reset if you need another batch.
4
Keep each file under the size limit; very large bundles may need splitting first.

Features of this merge PDF tool

Built for privacy, predictable ordering, and quick combine pdf files jobs from any device.

Multi PDF upload with validation and clear error messages.
Drag-and-drop reorder so page flow matches your checklist.
Readable file list with names and sizes before you merge.
One-click merge then separate download — re-download without re-merging until you change files.
Client-side pdf-lib — your documents stay in the tab.
Works with standard PDFs; encrypted files may need to be unlocked first.

Frequently asked questions

merge pdf online — combine pdf files — pdf merger free.