Lock PDF and Add Watermark to PDF for Android For Free
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Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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:
An excellent tool to increase time management and productivity. I also like how PDFfiller works with our overall computer operating systems within our firm.
2016-03-30
Overall a good experience.
Sometimes the lack of features like aligning fields (i.e. Publisher) is frustrating: the ability to copy details from one field to another (drop downs and field attributes) making some forms with several fields that are the same. But I'm an old software designer so I'll take those frustrations and cherish all the good points of the software. I think its a good solution for my needs in the insurance industry.
2019-08-01
PDF filler has replaced my Adobe Acrobat because of how easy it is to use and it's functions that match my business model. The unlimited filler links are extremely helpful for my clients. The ability have the html coding for each link, the mass link / excell options and the ability to sell my forms. It is a life saver!
2020-01-29
What do you like best?
I like the ease to update a document quickly and effectively.
What do you dislike?
I wish that it was more intuitive I.e. when I erase something, ask what I’d like to do next and learn my behavior.
What problems are you solving with the product? What benefits have you realized?
I’m able to fix mistakes on PDFs that have already been executed.
I like the ease to update a document quickly and effectively.
What do you dislike?
I wish that it was more intuitive I.e. when I erase something, ask what I’d like to do next and learn my behavior.
What problems are you solving with the product? What benefits have you realized?
I’m able to fix mistakes on PDFs that have already been executed.
2020-02-05
I AM STILL NEW TO THIS BUT I AM FINDING…
I AM STILL NEW TO THIS BUT I AM FINDING VERY HELPFUL AND RESOURCEFUL FOR MY BUSINESS AND FOR PERSONAL USE.
2021-10-25
Well I am very computer savvy but there have been some challenges to learning pdffiller
I was creating fillable forms and then opening them on my Mac using Preview and the fillable fields wouldn't show. Then I opened with Adobe reader and everything was fine.
I would like to know if it is possible for me to create a pdf that my students could use their stylus to write and draw on?
2021-09-22
I had to work on and sign some pdf…
I had to work on and sign some pdf documents urgently. I signed up for pdfFiller and, without any instructions, I navigated the software myself and finished my work within an hour.
2021-06-23
Don't let the name fool you, it does so much more than allow editing
I use pdfFiller to sign agreements when I'm traveling and don't have the version of Acrobat where you can sign, on my computer. I actually like pdfFiller much better, because it allows me to edit things that Acrobat does not. I've utilized several of the templates that have been very well laid out.
I was pleasantly surprised to see all of the templates and formatting options that are built in to pdfFiller
There is really nothing not to like. I don't use some of the features, because we don't need them, but I can't say it's missing anything or has any issues.
2021-04-20
What do you like best?
I like being able to merge documents so easily and correcting documents.
What do you dislike?
That you cannot merge from the first page you have to view all documents in order to select the documents you want to merge
Recommendations to others considering the product:
In my industry, we are always on the go so it's nice to have something that is simple to use and meets the needs that I have.
What problems are you solving with the product? What benefits have you realized?
I do not have to go to the office anymore to scan documents when I am submitting an offer. It saves me time and effort.
2021-02-18
Lock PDF and Add Watermark to PDF for Android
Protect your documents with our Lock PDF and Add Watermark features designed for Android. Secure your files and maintain your brand identity effortlessly.
Key Features
Easily lock your PDF files with a password
Add customizable watermarks to your documents
Simple user interface for quick access
Supports various PDF formats
Share secured PDFs directly from the app
Potential Use Cases and Benefits
Prevent unauthorized access to sensitive information
Brand your documents with unique watermarks for professional appearance
Enhance document security for businesses and freelancers
Safeguard personal files like reports and invoices
Facilitate secure sharing of important documents
This feature addresses your concern about document security. By locking your PDFs, you can prevent unwanted access, ensuring that your information remains private. Additionally, adding a watermark not only protects your content from theft but also promotes your brand. With these tools at your disposal, you can confidently share your documents, knowing they are safe and identifiable.
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
How do I create a watermark on my phone?
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.
How do I mark a PDF on my phone?
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.
How do I put a watermark on a PDF on my phone?
loved- PDF Editor. loved is a full-fledged PDF editor that lets you add watermark to PDF documents.
Dodo PDF Reader & Editor.
PDF Utility.
How do I make a watermark on my Android?
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 do I add a watermark to a secured PDF?
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.
How to Lock PDF and Add Watermark to PDF for Android - video instructions
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