Lock PDF and Add Watermark to PDF on OnePlus mobile device

Aug 6th, 2022

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01. Upload a document from your computer or cloud storage.

02. Add text, images, drawings, shapes, and more.

03. Sign your document online in a few clicks.

04. Send, export, fax, download, or print out your document.

Lock PDF and Add Watermark to PDF on OnePlus using DocHub

DocHub is a powerful tool for managing your digital documents efficiently. With features designed to simplify editing, signing, and sharing, our platform makes it easy to handle your PDFs, whether you're using a OnePlus Nord 3 5G, OnePlus Nord CE4 Lite 5G, OnePlus Open, OnePlus Nord CE4, or OnePlus 13R. Enjoy the convenience of online document management for free, ensuring your workflows are smooth and interactive. In this guide, we will walk you through how to lock your PDF and add a watermark using our editor from a web browser.

Follow the steps to Lock PDF and Add Watermark to PDF on OnePlus

Open your web browser and navigate to the DocHub website, then log in to your account.
Upload the PDF file you want to work on by selecting the appropriate option in the editor.
Locate the settings option to secure your document and enable the lock feature to prevent unauthorized edits.
Next, find the watermark feature to create a distinctive mark on your PDF. Customize the text, size, and placement as desired.
Once satisfied with the watermark, save your changes to ensure they are applied to the document.
Finally, download, print, or share the locked PDF with the watermark directly from the editor.

Start using DocHub today for seamless document management and elevate your PDF editing experience!

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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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.

How do I watermark a PDF as confidential?

How to add a watermark to a PDF Open the docHub program. Click on File in the upper left corner, click Open in the ribbon and select your PDF file from the dialog box. Click the Tools tab in the toolbar at the top of the window. Click the Edit PDF button on the right. Click Watermark and select Add.

How do I add a permanent watermark in a PDF?

Add or replace a watermark, with an open document Choose Tools Edit PDF Watermark Add. (Optional) To apply the watermark selectively to individual pages, click Page Range Options. Specify the watermark: To change the size of an image watermark, do one of the following:

How to secure a PDF with a watermark?

To create a text watermark, select Text, and type the text in the box. Adjust the text formatting options as needed. To use an image as a watermark, select File. Then click Browse and select the image file.

How to add a watermark as a security feature in a document?

On the Design tab, select Watermark. Choose a pre-configured watermark, like DRAFT, CONFIDENTIAL, or DO NOT COPY. For placing a logo or image, Select Watermark Custom Watermark Picture watermark Select Picture.

How to protect a PDF with a watermark?

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 to make a PDF watermark permanent?

Heres how to add a watermark to a PDF and make it non-removable and dynamic: Right-click on the PDF file in Windows File Explorer and select the option Make Secure PDF. Add a text watermark. Add an image watermark. Add a print watermark. Save your watermarks and other PDF protection controls.

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.

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..."