Work with multiple PDFs in one browser workspace

Open several PDFs at once, view them side by side in columns, and move pages between documents without leaving the workspace.

ChameleonPDF gives multi-document PDF work a polished, slick, and easy-to-use interface.

Open ChameleonPDF

How it works

Add your first PDFs
Drag multiple PDFs into ChameleonPDF, or click the central app logo on the start page to open the file picker.
Add more from the workspace
Drag more PDFs into the workspace whenever you need them, or hover over the right edge and click the Add PDF tab to use the file picker.
Work side by side
View PDFs in columns so you can compare documents, move pages, copy and paste pages, add pages, or remove pages without losing context.
Batch process when needed
Run supported batch actions across multiple open PDFs, such as resizing, rotating, unlocking, organizing, and exporting related documents together.

Side-by-side PDF workspace

Compare PDFs in columns, drag pages between documents, copy and paste pages, insert pages where they belong, and remove pages without juggling separate tools.

Batch process multiple PDFs

Run repeated operations across several open PDFs, such as resizing or rotating multiple PDFs, unlocking multiple locked PDFs, and preparing related outputs for export.

FAQ

Can I open multiple PDFs at once?

Yes. You can drag multiple PDFs into ChameleonPDF or use the file picker to open several documents in the same browser workspace.

How do I open PDFs from the start page?

Drag PDFs onto the start page, or click the central ChameleonPDF app logo to open the file picker.

Can I add more PDFs after the workspace is open?

Yes. Drag more PDFs into the workspace, or hover over the right edge of the page and click the Add PDF tab when it pops out.

Can I move pages between open PDFs?

Yes. ChameleonPDF's multi-PDF column workspace is designed for moving, copying, pasting, adding, and removing pages across open PDFs.

Can I batch process multiple PDFs?

Yes. ChameleonPDF supports fast multi-PDF workflows such as resizing or rotating multiple PDFs, unlocking multiple locked PDFs, and exporting related outputs.

Are PDFs uploaded when I work with multiple PDFs?

For normal ChameleonPDF workflows, PDF contents are processed in your browser rather than uploaded to ChameleonPDF servers.