Organize PDFs

Merge PDFs locally

Append another PDF to the current document directly in your browser. The merged document is loaded back into CrabPDF and added to history.

Open CrabPDFAll features

How it works

Open a PDF in CrabPDF.

Open the Organize panel in the right sidebar.

Choose Append PDF and select another PDF from your device.

Download the merged document when you are done.

Related tools

Protect with password · Add images · Edit PDF text

Privacy-first

The merge runs locally in your browser. No upload is required, and after CrabPDF is loaded you can turn off Wi-Fi and keep working.