Lock PDF and Esign PDF on Mobile
Discover how to easily lock PDF and esign PDF on mobile and make the most of your documents
Create secure and intuitive eSignature workflows on any device, track the status of documents right in your account, build online fillable forms – all within a single solution.

How you can Lock PDF and Esign PDF on Mobile
Are you feeling hard-pressed to locate a trustworthy solution for all your document management needs, including the ability to Lock PDF and Esign PDF on Mobile? airSlate SignNow is created to make your document editing and completion experience as frictionless as possible, regardless of the difficulty. Our platform provides a versatile collection of business-ready document editing, signing and collaboration and organization options you’ll find intuitive enough to accommodate first-timers and professional users.
- Head to the airSlate SignNow homepage.
- Set up or sign in to your existing account.
- Choose one of the options to add your document.
- Open your document in the editor.
- Try out the left and top toolbar and locate the option to Lock PDF and Esign PDF on Mobile.
- Use other tools to optimize or arrange your document.
- Save the changes and download the document.
No matter the feature you apply or the activity you carry out, airSlate SignNow always makes certain that your work is safeguarded and breezy. Sign up for airSlate SignNow today and get an integrated solution that fits into any workflow!
How it works
eSignatures and beyond — simplify document workflows with advanced airSlate SignNow features
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Best ROI. Our customers achieve an average 7x ROI within the first six months.
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Scales with your use cases. From SMBs to mid-market, airSlate SignNow delivers results for businesses of all sizes.
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Intuitive UI and API. Sign and send documents from your apps in minutes.
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FAQs
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How do I make a PDF lockable?
Method 1: Use Adobe Acrobat Pro DC to Add Password Protection Open the PDF in Adobe Acrobat Reader. Click on “File” and select “Protect Using Password.” Choose whether you want to restrict editing and printing or just restrict opening the document. Enter a password, and confirm it. Save the document. -
How do I lock an Esign in PDF?
Open the PDF document with Adobe Acrobat Pro/Reader DC or XI application. On the right side, click “Protect” to open the “Protect” options. Click on “Protect Using Password” option. In the “Protect Using Password” dialog box, click on “Editing”. -
How to lock a PDF in mobile?
How to set a password to protect PDFs on Android. Navigate to the password protection page in your preferred browser using your Android device. Click the button labeled “Select a file” to choose and upload your PDF from your Android. Create and enter a strong password, then retype it to confirm. -
How can I lock PDF file?
How to add passwords and permissions to PDF files: Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Set password or security method as desired.
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Can you lock a PDF on an iPhone?
You don't need any special apps or software to encrypt a PDF — you just need to add password protection, and you can do it quickly using an iPhone. -
How do I esign a PDF on my phone?
How to Sign a PDF on Android. Download Adobe Acrobat Reader: Edit PDF app from Google Play. Open app and sign in or sign-up using Google/Apple/Facebook. Upload your PDF document. Tap 'sign'. Choose 'draw' here to do a hand-written signature on the screen. -
Can you put a password on a PDF?
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. -
How do I password protect a PDF with a digital signature?
One-click option to protect a PDF with a password 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.