Yes, Merge PDF is free to use with no sign-up.

Are my files uploaded to a server?

No. Tools are designed to process files in your browser whenever possible.

Organize

Merge PDF — Free Online

Combine multiple PDF files into one document online. Upload, preview, reorder, and merge PDFs directly in your browser.

Private by design — files stay in your browser

Drop PDF files here

choose files from your device — they never leave your browser

Choose PDF files

100% client-side — no uploads, no servers

Split, rearrange, remove, and organize PDF pages.

Reduce PDF file size with three compression levels.

Convert PDF pages to JPG or PNG images.