Unlock PDF and Add Watermark to PDF on Smartphone phone

Unlock PDF and Add Watermark to PDF on Smartphone

DocHub is a powerful online platform that simplifies document editing, signing, and distribution, making it easier than ever to manage your PDFs directly from your smartphone. Whether you’re using a Samsung Galaxy A25 5G, an Apple iPhone 14 Pro Max, a Xiaomi 13 Lite, a Sony Xperia 10 VI, or a OnePlus 13, our editor allows you to unlock PDFs and add watermarks seamlessly. With deep integration with Google Workspace, you can import, export, and modify your documents to ensure smooth workflows.

Follow the steps to unlock and add a watermark on your PDF

Open your web browser and navigate to the DocHub website. Ensure you log in to your account for a personalized experience.
Upload the PDF document you wish to unlock by selecting the appropriate upload option on the platform.
Once the document is uploaded, access the editing features to unlock the PDF. Follow the on-screen instructions to complete this process effortlessly.
After unlocking, locate the option to add a watermark. Customize your watermark text, adjusting size and position to fit your needs.
Finalize your edits and review the document to ensure everything appears as intended. Make any necessary adjustments.
Once satisfied, you can download your edited PDF, share it directly, or print it straight from your smartphone.

Start using DocHub today to effortlessly manage your PDF documents online for free!

PDF editing simplified with DocHub

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.

Drive efficiency with the DocHub add-on for Google Workspace

Access documents and edit, sign, and share them straight from your favorite Google Apps.

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Related features

Insert Signature into the Copyright License Agreement Template For Written Work

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 remove protective mode from a PDF?

How to disable docHub Reader protected mode Open docHub Reader. Click Edit in the menu bar. Click Preferences. Click Security (Enhanced) of Categories. Uncheck Enable Protected Mode At Startup.

How to add watermark in PDF on phone?

How to Add Watermark to PDF on Mobile Open the web browser of your choice on your mobile device to Add Watermark to PDF on Mobile. Go to the DocHub website and Log in to your account. After you finish your registration, add the file you need to change by finding it on the mobile device or utilizing a cloud storage link.

How do I add a watermark to a locked PDF?

How to watermark a PDF using docHub Open your document in docHub and click Edit PDF in the sidebar. Editing a PDF to insert a watermark. Click Watermark in the top toolbar and then select Add Select your watermark formatting options and press OK Save and/or print your watermarked document.

How do I open a password-protected PDF on Android?

How to open a password-protected PDF file in Android. Open the docHub Reader app. Navigate to the location of the PDF file on your Android device. Tap the PDF file. You will be prompted to enter the password. Type the password for the PDF and press OK. If the password is correct, the PDF file will open.

How do I remove protection from a PDF?

How to remove password from PDF Open the PDF in Acrobat Pro on Windows or Mac. Choose Tools Encrypt Remove Security. If the document has a Document Open password, click OK to remove it. If the document has a permissions password, type the correct password in the Enter Password box and then click OK.

How to unprotect a PDF on Android?

Removing PDF passwords on an Android phone Use the PDF viewer you have on your phone to open your PDF. To access the file, enter the password. Tap the Menu icon in the viewer. Then, tap on Share and locate the Share icon and choose Print to PDF to save the file in that location without a password.

How do I remove PDF protection from my Android?

Download and the PDF Expert app from the App Store. Open the apps main menu, navigate to the Files Folder, and locate the PDF file. Tap the file, enter the password to unlock it. Click the three dots in the top-right corner, select Change Password, and choose Remove Password.

How do you unlock a PDF and remove the watermark?

After selecting the document, click on the Edit button. In the editing options, you will find the Remove Watermark feature. Click on it to proceed. A pop-up window will appear, allowing you to customize the watermark removal settings.

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."

Pam Driscoll F
Teacher

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."

Jiovany A
Small-Business

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

"I like to work and organize my work in the appropriate way to meet and even exceed the demands that are made daily in the office, so I enjoy working with PDF files, I think they are more professional and versatile, they allow..."

Victoria G
Small-Business

Security and compliance

At DocHub, your data security is our priority. We follow HIPAA, SOC2, GDPR, and other standards, so you can work on your documents with confidence.

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Unlock PDF and Add Watermark to PDF on Smartphone mobile device

Unlock PDF and Add Watermark to PDF on Smartphone

Follow the steps to unlock and add a watermark on your PDF

PDF editing simplified with DocHub

Drive efficiency with the DocHub add-on for Google Workspace

Got questions?