Example input and settings
protected.pdf
demo-passwordPDF · PDF-13Submit an issue
Decrypt PDF
Use a known password to remove PDF encryption.
Remove protection with a known passwordDrop files here
Supports PDF；1 file；50 MB each
Set or remove the PDF opening password, then reopen the exported file to check the result. Rewriting a PDF may invalidate existing digital signatures.
Unlock with a known password
Choose a protected PDF and enter a password you are authorized to use. This tool does not crack unknown passwords. Rewriting may invalidate signatures.
Check the input format and options with this example before using your own data. Random values, file sizes and presentation vary with the input and settings.
What to check in the result
PDF · password → ∅