Merge PDF

Upload multiple PDF files, arrange them, download one combined PDF. Free, no sign-up, your files never leave your browser.

How it works

  1. Upload your PDFs. Select multiple files at once.
  2. Arrange the order. Use the arrow buttons to reorder them in the combined file.
  3. Download the PDF. Everything in one file, in the order you chose.

Why Stelluna

Frequently Asked Questions

Is it free?
Yes, no account needed.

Do my PDFs get uploaded anywhere?
No, merging runs entirely in your browser.

How many PDFs can I merge?
Up to 50MB per file, and up to 20 PDFs total.

Can I change the page order?
Yes, use the up/down arrows next to each PDF to reorder it in the combined file.

Can I merge a password-protected PDF?
Encrypted (password-protected) PDFs aren't supported; remove the password first.