A fixed-layout document format that preserves pages exactly as designed.
- Extensions:
- MIME type:
- application/pdf
When to use it
Submitting forms, sharing a document that must look identical everywhere, and combining pages from several sources.
Things to watch
Encrypted or password-protected PDFs cannot be edited or merged until protection is removed.
A PDF can contain scanned images, real text, or both, which affects how it can be edited.