PDF Lab
Combine multiple PDFs in any order. Everything processes locally in your browser—no uploads, no waiting on a server.
Drop PDFs here
or choose files to add them to the merge queue.
No files added yet.
Files are combined in the order shown above. Reorder before merging to control final sequencing.
Merging happens locally in memory. Large PDFs may take a few seconds—keep the tab open until the download begins.