Lock PDF and Add Watermark to PDF for Galaxy For Free

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Organize & convert PDFs

Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
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Collect data and approvals

Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
This is an awesome site to have if you have any type of paperwork whether your a tenant Landlord or just need help with any issues that require legal paperwork.
Anonymous Customer
2015-01-05
Simplifies everything, makes everything much, much easier. In real estate, the ability to simplify the requirements for clients makes a massive difference in their overall experience. I highly recommend PDFfiller for all brokers out there!
Sean M. T
2017-08-12
Very easy to use Very easy to download a document, fill in the required fields and electronically sign. When I had a small issue customer service solved it quickly.
Mark Lamb
2019-07-21
very helpful Made my work easier and accomplish more faster. This made work faster in filling some extensive forms. I love the way that its take you through all the blanks, so you don't miss them. would like some more options in style of symbols and fonts
nedelka d.
2019-01-21
I am sorry…..I am having a hard time. It is completely my own fault. And that is because I am computer illiterate. So I am trying to learn this stuff for the first time completely on my own. I wish I had someone to point me in the right direction. I already tried to watch You Tube. But it didn’t quite help. I am a total newbie. Beyond a newbie even, I guess. So sad….
Marie B
2023-08-15
Excellent tool and superb customer support The pdfFiller tool provides great functionality for data handling, it is easy to use and there is one month trial period. Apart from that their customer support is just superb.
Nenad B.
2023-07-02
What do you like best? Love all the forms and how it is so easy to edit forms What do you dislike? Love everything about the program! Highly recommended What problems are you solving with the product? What benefits have you realized? Using it for my real estate and property management business
User in Real Estate
2021-10-26
Flawless Customer Service There was a slight issue with a payment plan I'd signed up with - and by the time I'd made a coffee - it was resolved. Flawless.
Steven Duffield
2021-02-27
This is an excellent product/service that was very useful to me, especially because I have a ********** and can't install windows based pdf editing software. After the trial period, I had a family emergency that caused me to forget to cancel my trial (I love pdf filler but planned to subscribe later when I will need it more) so I was auto charged for the subscription once my trial ended. I contacted support to explain what happened and they responded and resolved my issue within just a few minutes. They were prompt, professional, and understanding. I feel great about the service and customer support that I recieved and plan to subscribe to pdf filler in the near future. I wild gladly recommend pdf filler to anyone who wants a great way to edit pdf files with the confidence of working with a company that has excellent customer service.
Sharon L
2020-04-29

Lock PDF and Add Watermark to PDF for Galaxy

Protecting your sensitive documents has never been easier with the Lock PDF and Add Watermark to PDF feature for Galaxy. This tool allows you to secure your PDFs while providing clear identification, ensuring that your information stays safe and easily recognizable.

Key Features

Password protection for PDF files
Customizable watermarks for branding
Simple user interface for quick access
Compatibility with multiple file formats
Batch processing for efficient editing

Potential Use Cases and Benefits

Keep business documents secure from unauthorized access
Promote brand awareness through noticeable watermarks
Prevent document tampering and unauthorized sharing
Enhance professionalism in communications with customized branding
Simplify document management with batch processing

By using the Lock PDF and Add Watermark to PDF feature, you can address common issues such as data leaks and brand misrepresentation. This tool not only secures your files but also reinforces your brand image through effective watermarking. Enjoy peace of mind knowing your documents are protected, while maintaining a professional appearance.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
Open the OneDrive for Android app, and open the PDF you want to mark up. Near the bottom of your screen, tap Markup. On the Markup toolbar (from left to right: Exit, Undo, Redo, Navigate, Pen, Highlight, Note, Text, and Erase), tap the tool that you want to use.
Step 1: Run PDF Watermark Tool and add PDF files to watermark. Step 2: Enter text to insert as watermark. Step 3: Select a new location to save the PDF file. Step 4: Click on add watermark to PDF file.
Click “Add directories to list” icon to add all files in a folder to the list together; Click “Watermark→Create→New Text Watermark” to enter into “Add Text Watermark” interface, define name, then click “Macro” button to choose unique data for different PDF copies;
loved- PDF Editor. loved is a full-fledged PDF editor that lets you add watermark to PDF documents. Dodo PDF Reader & Editor. PDF Utility.
Launch Visual Watermark. Click Select Images or drag your photos into the app. Select one or more images you would like to watermark. Click Next Step. Choose To add logo. Edit logo watermark using editing tools.
Tap on Photos to choose the image you want to add the watermark to. If you don't immediately see the picture you need, just tap on the Browse Folders option to see all your files. To add a particular text as a watermark, tap on the T at the top-right.

How to Lock PDF and Add Watermark to PDF for Galaxy - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025