Open PDF with Preset Password using Swift for iOS

Unlock document with password programmatically. Get additional resources by visiting our guide on opening password-protected PDFs in iOS.

//
//  Copyright © 2017-2025 PSPDFKit GmbH. All rights reserved.
//
//  The Nutrient sample applications are licensed with a modified BSD license.
//  Please see License for details. This notice may not be removed from this file.
//


import PSPDFKit
import PSPDFKitUI


class PasswordPresetExample: Example {


    override init() {
        super.init()
        title = "Password preset"
        category = .security
    }


    override func invoke(with delegate: ExampleRunnerDelegate) -> UIViewController {
        let document = AssetLoader.document(for: "Password-Protected.pdf")
        document.unlock(withPassword: "test123")
        return PDFViewController(document: document)
    }
}

This code sample is an example that illustrates how to use our SDK. Please adapt it to your specific use case.