Unlock PDF

Updated:

Have a password-protected PDF you are authorized to open but tired of re-entering the password? This free Unlock PDF tool clears it. Upload the file, enter the password, and download an unlocked copy. Handy for files you already own:

  • Remove a password you already know
  • Unlock an archived file for editing
  • Strip restrictions from your own PDF
  • Open a secured document for reuse

A Quick Word on IronPDF

IronPDF is the C# PDF library trusted by thousands of .NET developers in production. It removes passwords and permission restrictions from PDFs you are authorized to access, directly in code.

using IronPdf;
var pdf = PdfDocument.FromFile("locked.pdf", "password");
pdf.SecuritySettings.RemovePasswordsAndEncryption();
pdf.SaveAs("unlocked.pdf");
using IronPdf;
var pdf = PdfDocument.FromFile("locked.pdf", "password");
pdf.SecuritySettings.RemovePasswordsAndEncryption();
pdf.SaveAs("unlocked.pdf");
Imports IronPdf

Dim pdf = PdfDocument.FromFile("locked.pdf", "password")
pdf.SecuritySettings.RemovePasswordsAndEncryption()
pdf.SaveAs("unlocked.pdf")
$vbLabelText   $csharpLabel

See it in C#: Passwords & permissions guide

Free and Built for Everyday Use

This tool is completely free and made for quick, practical use, no signup, no limits, no catch. Built with love by IronPDF.

Need More Than PDFs?

When the project grows beyond PDF work, the Iron Suite bundles ten .NET libraries into a single license: IronOCR for reading text from images in 125 languages, IronBarcode for generating and scanning codes, plus IronXL, IronWord, IronPPT, and more. Start your 30-day Iron Suite trial key today, no credit card required.