Last updated on
Sep 21, 2025
Highlight Watermark and Formula in PDF Online For Free
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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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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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See for yourself by reading reviews on the most popular resources:
Exactly the form that I required. Repeated editing was necessary for approval of recipient and permitted by PDF filler. Direct email was most helpful to pre-empt time delays. Anticipate emailing for initials & signature - hope it works out.
2015-10-27
The forms are easy to fill out and the online chat help was great. But I was a little confused when I was first starting and seemingly just thrown into the fire so to speak after what I thought was just filling in a form and really didn't have a 'how to video' before I was already in ther.
2019-02-06
It helped me out a ton with a file i…
It helped me out a ton with a file i needed, then after we were charged the yearly membership, which we couldn't afford, Sam a kind chat customer service rep helped me cancel the transaction quick and easy. Great service.
2019-06-18
EASY like 123
having being able to come to this website , find the court document i need , and fill it out all at the same time has been life changing for me lately. i am able to clearly see what's written, understand it more, and also once i'm done implementing my information i can print however many copies i need without leaving home. This makes it a breeze when trying to look for court documents that you need.
2023-06-12
Solid, provides the service you need
Easy to use. Mostly used for inserting signatures.
Sometimes the signature block format gets distorted (inserts as a code).
2022-12-30
IF YOU HAVE DOCUMENTS TO BE FILLED OUT…
IF YOU HAVE DOCUMENTS TO BE FILLED OUT OR SIGNED, THIS IS DEFINETLY THE PROGRAM TO USE. ITS EASY TO GET AROUND. THE PROGRAM DOES EXACTLY WHAT IT SAYS.
2021-08-23
Great PDF Editor. i haven't found much issues as of yet. Very convenient and responsive program. Does all I need. Hopefully the quality stays the same or improves. I'm satisfied as of now. Thanks.
2021-04-14
I love using this when I have zoom IEP…
I love using this when I have zoom IEP meetings! Makes it EXTREMELY easy to make the meeting more personal!
2020-11-16
Top notch company to work with. Software was easy to use, and they were fast to respond with customer support. Definitely will use in the future if I have more needs to use this type of software.
2020-11-10
Highlight Watermark and Formula in PDF Feature
Discover the Highlight Watermark and Formula in PDF feature, designed to make your document management easier and more efficient. With this feature, you can enhance your PDF files, ensuring crucial information stands out while maintaining a clean and professional appearance.
Key Features
Add customizable watermarks to protect your content
Highlight important text to draw attention
Insert formulas seamlessly for mathematical accuracy
Ensure easy readability and clarity in your documents
Gain total control over document appearance and structure
Potential Use Cases and Benefits
Ideal for businesses needing to brand and secure documents
Useful for educators sharing teaching materials
Perfect for project teams collaborating on complex reports
Great for legal documents requiring clear emphasis on key points
Beneficial for marketers presenting promotional materials
This feature solves your problems by giving you the tools needed to make your PDFs not only more informative but also visually appealing. By allowing you to place highlights and watermarks, you create a unique message that stands out to your audience, while formulas ensure accuracy in your calculations. You gain efficiency, professionalism, and clarity with every PDF.
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?
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How do I highlight all text in a PDF?
Click somewhere in the document, then press Ctrl + A (Windows) or ⌘ Command + A (Mac) to select all text in the document.
How do I highlight fillable fields in a PDF?
For help you may press the F1 key while viewing a form. button in the upper right hand corner of the menu bar of the PDF form. After clicking this button the Fillable Fields within the form will be highlighted in a light blue color which will allow you to enter your information within these fields.
How do you highlight and write on a PDF?
Select the highlighter tool from the horizontal toolbox located at the top of the PDF editor. Select the desired color of your highlighter tool. Click and drag the cursor to select the text area to highlight, releasing when you've finished.
How do I change the color of a watermark in PDF?
Update a watermark Open a single PDF. Choose Tools > Edit PDF > Watermark > Update. Make changes to the watermark, and then click OK.
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