Ultimo aggiornamento il
Jan 16, 2026
Secure and Add Watermark to PDF 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
Note: Integration described on this webpage may temporarily not be available.
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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.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
This website is amazing and so very…
This website is amazing and so very helpful for my classes I'm taking where I have to fill out documents...saves a lot of paper and printer ink!
2019-10-08
Fill in the Blank
Love what this has done for making my job so much easier at a very reasonable rate.
For my business this was and is the best tool I have for putting together insurance reports. Build or scan in a template and fill in the blanks when you need to send a report out. BAHM! DONE!
Probably something I have not spent enough time to figure out yet but as of now each time I fill in a blank template it auto saves it so my original always has to be cleared before new entry.
2018-09-26
Easy to use
I have converted from our company's old way of emailing documents to print, sign, and scan back to us to digital signatures. It has made the process much easier for me and all of our new team members
I would love to be able to consolidate multiple documents into one OR send multiple documents with one email
2017-06-07
Super helpful
Super helpful, I am on maternity leave and this makes it easier to get paper signed and filled out to my employer. So I am able to add my newborn to my insurance.
2023-06-08
I subscribed to the PDF filler app on…
I subscribed to the PDF filler app on Google. And without asking me they charged me. Then I contacted them and they didn't want refund my money until I told them that I was going to let everybody know about their app.
2023-04-16
WORKS WELL
HAD A LITTLE TROUBLE WITH THE FORMATTING. iT MAY HAVE BEEN THE TEMPLATE THAT I WAS USING AND NOT THE PDF FILLER. i HAVE USED DOC HUB FOR A LONG TIME AND I ABSOLUTELY LOVE IT! IT IS MY GO TO PROGRAM.
2023-03-28
What do you like best?
I like being able to sign and edit PDF documents
What do you dislike?
I cannot think of anything I dislike about pdfFiller
What problems are you solving with the product? What benefits have you realized?
It helps me sign documents. I am use the product to fill in tax related forms. It has increased productivity for my business
2022-02-07
Outstanding customer service, communication and efficiency!! I highly recommend. They are one of the best, if the THE best company I've ever dealt with!
2022-02-02
Some times the app isn't intuitive. I have had dificulty with the earaser. Could be I haven't had your instructional course and Im doing something wrong.
2025-05-23
Secure and Add Watermark to PDF Feature
Protect your important documents with our Secure and Add Watermark to PDF feature. This tool enhances the security of your PDFs while ensuring that your brand or ownership is clearly visible.
Key Features
Easily add customizable watermarks to any PDF
Password protection to restrict unauthorized access
Batch processing for multiple PDFs at once
User-friendly interface for fast and simple use
Compatibility with various devices and operating systems
Potential Use Cases and Benefits
Businesses can protect sensitive documents from unauthorized sharing
Freelancers can promote their work with watermarked images or documents
Educational institutions can secure student records and reports
Legal professionals can ensure confidentiality of legal documents
Authors can protect their manuscripts and drafts
This feature solves your security concerns by offering a straightforward way to add watermarks, while also keeping your documents safe from prying eyes. You can easily maintain ownership of your work and prevent unauthorized use. With our Secure and Add Watermark to PDF feature, you gain peace of mind, knowing your documents are secure and your brand is visible.
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
What is a secure watermark?
When Watermarking is applied to a secure file, recipients will only have access in the Secure Reader and will see their email address watermarked across the document. The addition of the watermark is visible, but transparent enough to not obscure the contents of the file when viewed.
How do I add a watermark to a PDF for free?
Step 1: Select your PDF document.
Step 2: Add Text Watermark. Click the Add Text button at the top of the PDF page.
Step 3: Change text size, rotation and location on page.
Step 4: Change text color, transparency and font family.
How do I protect a watermark in PDF?
Go the View or Print Watermarks Tab depending on whether you want a PDF watermark when printing, viewing, or displayed on both.
From the Text Watermark tab add the text watermark that you would like to be displayed.
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