Add Watermark to PDF and Merge PDF for Server For 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
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users worldwide
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average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
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Cloud-native PDF editor
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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:
I like the fact I can do this online. But, being new, it's complicated finding my way around. I cannot figure out why the font changes size when completing column J - both lines.
2017-11-01
Easy to use, unlike other fill and sign apps, it can tell the right size text. It can tell the what parts of the document requires the text. The variety of templates to use for common forms needed for most people. Also a generous 30 day trial A ++++
2018-11-22
cool but needs a more user friendly interface. like small pdf for example. An easy converter option, with a file compress option would be cool. But as far as functionality and edit ability, PDF filler produces superior edits and is why I choose it over other products.
2019-08-05
What do you like best?
The amount of tools avaliable gives a lot of possibilities working a PDF Doc. Its been very usefull to me. And its online! You could access the tool anywhere! I like the fact that it brings a possibility of working any kind of PDF doc.
What do you dislike?
I consider the price is a bit expensive. And sometimes I have a little difficulty changing the size of images included in a document, maybe this feature could be improved.
Recommendations to others considering the product:
Use it! Its very usefull and is online, give it a try
What problems are you solving with the product? What benefits have you realized?
Gives our company the posibility to aply signatures on docs. And doing corrections on different PDF with mistakes. In our Buisiness its very common to have changes in final documents as puchase orders. And PDFfiller is a great tool to correct mistakes that we have to face everyday.
The amount of tools avaliable gives a lot of possibilities working a PDF Doc. Its been very usefull to me. And its online! You could access the tool anywhere! I like the fact that it brings a possibility of working any kind of PDF doc.
What do you dislike?
I consider the price is a bit expensive. And sometimes I have a little difficulty changing the size of images included in a document, maybe this feature could be improved.
Recommendations to others considering the product:
Use it! Its very usefull and is online, give it a try
What problems are you solving with the product? What benefits have you realized?
Gives our company the posibility to aply signatures on docs. And doing corrections on different PDF with mistakes. In our Buisiness its very common to have changes in final documents as puchase orders. And PDFfiller is a great tool to correct mistakes that we have to face everyday.
2019-01-28
Overall pretty great program website to…
Overall pretty great program website to have. Especially, if you looking for hard to find forms, and documents.
2023-07-20
Only ever used Adobe in the past. Found this affordable option. It is fantastic. User friendly and effective app. I applied for a rental with a heap of forms to fill out and now our family are living in it. I accidentally signed the 1year subscription. Advised that I only wanted to use it during the trial period for a purpose and happy to pay for one month. They communication was quick and on point. They summarised and actioned exactly what I requested. Only charged me $30 for the month and cancelled my future subscription. I would happily use this again. Thank you.
2022-03-28
PdfFiller is great!
Very easy to use to do any type of form. The only thing that sucks is the price because I don't use it that much to pay $96 for it annually. If it was $40 or less I'd be all in. Great app to get any job done whether it's personal or business. Thank you.
2021-07-19
AMAZING FOR ALL OF YOUR DOCUMENT NEEDS.
I have tried many pdf editors as I work with several different forms in the Real Estate Industry. Pdf-filler takes the cake by far! It is simple, easy to learn, and has an entire library of ready made forms. This is my go to for any and all of my document needs.
2020-12-28
It took me some 'playing around' to…
It took me some 'playing around' to figure out a few things but very easy to input and export your resume and/or Cover letter or anything else needed
2025-02-11
Add Watermark to PDF and Merge PDF for Server
Enhance your PDF management with our 'Add Watermark to PDF and Merge PDF for Server' feature. This tool empowers you to protect your documents by adding watermarks and combine multiple PDFs into a single file seamlessly.
Key Features
Add customizable watermarks to PDFs
Merge multiple PDF files into one
User-friendly interface for easy navigation
Batch processing for efficiency
Supports various PDF formats
Use Cases and Benefits
Secure important documents with a watermark
Organize project files by merging into a single PDF
Share professional documents without losing branding
Reduce file clutter for easier access and sharing
Enhance collaboration with a streamlined workflow
This feature addresses the common problems of document security and management. By allowing you to add watermarks, you protect your content and brand. Merging PDFs simplifies your workflow, enabling you to manage documents more effectively. Whether you handle sensitive information or simply want to keep your files tidy, this solution meets your needs.
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 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 you put a watermark on multiple PDF files?
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;
How do I put a watermark on a PDF online?
Upload a PDF file to which you want to add a watermark: use the drag and drop mechanism or hit the “Add file” button. Enter the text of the watermark or upload an image. Select the opacity and position of the watermark on the document's pages, click the “Add watermark” button, and download your new PDF.
How do I put stamps on all pages in PDF?
To stamp all pages in a document at once, place your stamp on one page, then choose Edit Selection Duplicate to All Pages.
How do you put a watermark on multiple PDFs?
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;
How to Add Watermark to PDF and Merge PDF for Server - video instructions
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