Is there a limit on how many PDFs I can merge?

DODDY merges dozens of PDF files simultaneously in local memory with zero file count limits.

Can I add page numbers to the combined file?

Yes! After merging, use our [Add Page Numbers Tool](/pdf/add-page-numbers) to insert continuous footer pagination across the entire document.

Published: 2026-02-09 | Read Time: 3 min read

Combine multiple PDF files into a single organized document with custom page ordering, instant in-browser preview, and zero file uploads.

Is there a limit on how many PDFs I can merge?: DODDY merges dozens of PDF files simultaneously in local memory with zero file count limits.
Can I add page numbers to the combined file?: Yes! After merging, use our [Add Page Numbers Tool](/pdf/add-page-numbers) to insert continuous footer pagination across the entire document.