Lock PDF and Esign PDF in Windows easily

How to Lock PDF and Esign PDF in Windows with DocHub

DocHub is an innovative platform that streamlines document editing, signing, distribution, and form completion to get your documents done effortlessly. With deep integration into Google Workspace, our editor enables users to import, export, modify, and sign documents directly from Google apps, making business processes smooth and efficient. Whether you're working on a Windows device or exploring features on iOS 17, iOS 18, or iOS 19, this guide will help you easily lock and e-sign your PDFs online for free.

Follow the steps to Lock PDF and Esign PDF in Windows

Open the DocHub website and log in to your account.
Upload your PDF document to the platform by selecting the appropriate upload option.
Once the document is uploaded, navigate to the editing tools and access the locking feature to secure your PDF.
With your PDF locked, proceed to add your signature. Use the signature tool to create or insert your e-signature.
Review the document to ensure all necessary fields are completed and the signature is correctly placed.
Finally, download your locked and signed PDF, or choose to print or share it directly from the platform.

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Seamless PDF editing

Editing a PDF is as simple as working in a Word document. You can add text, drawings, highlights, and redact or annotate your document without affecting its quality. No rasterized text or removed fields. Use an online PDF editor to get your perfect document in minutes.

Smooth teamwork

Collaborate on documents with your team using a desktop or mobile device. Let others view, edit, comment on, and sign your documents online. You can also make your form public and share its URL anywhere.

Automatic saving

Every change you make in a document is automatically saved to the cloud and synchronized across all devices in real-time. No need to send new versions of a document or worry about losing information.

Google integrations

DocHub integrates with Google Workspace so you can import, edit, and sign your documents directly from your Gmail, Google Drive, and Dropbox. When finished, export documents to Google Drive or import your Google Address Book and share the document with your contacts.

Powerful PDF tools on your mobile device

Keep your work flowing even when you're away from your computer. DocHub works on mobile just as easily as it does on desktop. Edit, annotate, and sign documents from the convenience of your smartphone or tablet. No need to install the app.

Secure document sharing and storage

Instantly share, email, and fax documents in a secure and compliant way. Set a password, place your documents in encrypted folders, and enable recipient authentication to control who accesses your documents. When completed, keep your documents secure in the cloud.

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How to Lock PDF and Esign PDF in Windows

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Today's tutorial will show you how to sign a PDF document with a certificate-based digital signature in docHub. To get started, download docHub from its original website for free. To sign with a certificate-based digital signature, you need a digital ID containing information such as name, email, organization, serial number, and expiration date. In docHub, digital IDs are used to sign or add digital signatures to documents. Follow the steps to add or create a digital ID by going to the edit menu, choosing preferences, clicking on signatures, and selecting digital IDs. Then, click on add ID to upload your digital ID file or create a new one by providing your name, department, organization, and email address.

Got questions?

Here are some common questions from our customers that may provide you with the answer you're looking for. If you can't find an answer to your question, please don't hesitate to reach out to us.

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How do I encrypt a digitally signed PDF?

Open the PDF in Acrobat, and do one of the following: Go to All tools Protect a PDF. From the Protect a PDF toolset in the left pane, select Encrypt with password. Select File Protect Using Password.

How do I protect an Esign in PDF?

Open the PDF document with docHub Pro/Reader DC or XI application. On the right side, click Protect to open the Protect options. Click on Protect Using Password option.

How do I lock a PDF from editing but allow signature?

Click on Protect and then choose Restrict Editing. Choose a password and specify the editing permissions that you want to allow for users without the password. Save the PDF file and share it with others who can view it but wont be able to make any changes without the permissioned password.

How to make a PDF read only?

How to convert a PDF to read-only on Mac and Windows. Right-click your PDF. Select Properties. Choose Read-only. Click OK.

How do I lock and sign a PDF?

How to lock a PDF form after signing it Open a PDF in docHub Pro and choose Forms Signatures Prepare Form. Double-click the necessary signature field to open its Properties. In Signed, tick the box Mark as read-only. Save changes.

How to prevent digital signature from being copied?

Change setting at the team level: Admins can set their group default within Admin PDF Security . You will see the options: Do not allow copying.

How to password protect digitally signed PDF?

Add a password to a PDF Open the PDF in Acrobat. Do any of the following: Go to All tools Protect a PDF Protect with password. In the Protect Using Password dialog box, select if you want to set the password for viewing or editing the PDF. Type and retype your password. Select Apply.

How do I lock a PDF in Windows?

Open the PDF document you would like to password protect, select the Tools tab, scroll down to find the Protect Standardize section, select Protect. 2. The Protect tool bar will appear, select the Encrypt button drop menu. Here you can either Encrypt with a Certificate or Encrypt with a Password.

See why our customers choose DocHub

Great solution for PDF docs with very little pre-knowledge required.

"Simplicity, familiarity with the menu and user-friendly. It's easy to navigate, make changes and edit whatever you may need. Because it's used alongside Google, the document is always saved, so you don't have to worry about it."

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A Valuable Document Signer for Small Businesses.

"I love that DocHub is incredibly affordable and customizable. It truly does everything I need it to do, without a large price tag like some of its more well known competitors. I am able to send secure documents directly to me clients emails and via in real time when they are viewing and making alterations to a document."

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I can create refillable copies for the templates that I select and then I can publish those.

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Lock PDF and Esign PDF in Windows in no time

How to Lock PDF and Esign PDF in Windows with DocHub

Follow the steps to Lock PDF and Esign PDF in Windows

PDF editing simplified with DocHub

Drive efficiency with the DocHub add-on for Google Workspace

How to Lock PDF and Esign PDF in Windows