Last updated on
Sep 22, 2025
Highlight Watermark and Calculation in PDF Online For Free
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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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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I needed on copy of a form, that is all and I was charged 120.00, that is an expensive copy. I have cancelled your service and would appreciate a full refund. Charge me for one copy fine, but not 120.00. Thank you
2017-07-14
This program is very useful for filling out tax forms. Although my returns are not complicated, getting the credit that I am due for foreign taxes is too much for tax programs like HR Block and too much for most accountants. I have returned to my old habit of doing my returns manually. This PDFfiller program makes it feasible.
2018-04-10
I bought this to use at work. It's so easy to use and keep documents looking professional. It's nice that it's cloud based so I can use it when working remotely as well. The mobile app is great too. A great resource for a great price.
2019-02-25
What do you like best?
INTUITIVE EASE OF USE DOCUMENT STORAGE FOR EASY RETRIEVAL CLEAN LOOKING CHANGES
What do you dislike?
SOMETIMES THE MARGINS OR WORDS DO NOT LINE UP AND WHAT YOU SEE IS NOT EXACTLY WHAT YOU GET, REQUIRING ADDITIONAL CHANGES.
What problems are you solving with the product? What benefits have you realized?
INTERNATIONAL DOCUMENTS. PDFFILLER HAS ELIMINATED THE NEED TO DO MANUAL INVOICES OR ADDITIONAL INVOICES. YOU CAN ADD TO, CHANGE AND MEET INTERNATIONAL DOCUMENT REQUIREMENTS.
INTUITIVE EASE OF USE DOCUMENT STORAGE FOR EASY RETRIEVAL CLEAN LOOKING CHANGES
What do you dislike?
SOMETIMES THE MARGINS OR WORDS DO NOT LINE UP AND WHAT YOU SEE IS NOT EXACTLY WHAT YOU GET, REQUIRING ADDITIONAL CHANGES.
What problems are you solving with the product? What benefits have you realized?
INTERNATIONAL DOCUMENTS. PDFFILLER HAS ELIMINATED THE NEED TO DO MANUAL INVOICES OR ADDITIONAL INVOICES. YOU CAN ADD TO, CHANGE AND MEET INTERNATIONAL DOCUMENT REQUIREMENTS.
2020-02-03
wonderful program
wonderful program, very helpful for me, I scanned in my document and am able to type it instead of handwriting it, as is the standard in my office. Saves me a ton of time.
2020-01-01
Very good tool to add editable fields…
Very good tool to add editable fields to pdf files. The maneuvering process can be a little awkward and can use some user feedback in those regards, but all in all, very worth the price.
2022-12-30
Outstanding Functionality & Customer Service
I tried several pdf editors in my search to save time filling out real estate forms. I was blown away when using the editor for the first time and I inadvertently closed my browser, all of my edits were saved and waiting for me when I returned to the site - even before creating a user account! Now that's nice!
Not only was pdfFiller miles ahead in its functionality and user-friendliness, when I cancelled my subscription because I no longer had the need - my money was refunded instantly and without question.
This level of customer care is rare and worthy of celebration.
Congrats pdfFiller and Thank you for an outstanding product and customer service!
2021-12-19
Great Ap, Super Helpful.
Great, easy to use ap. So simple. Would suggest its use to others. Think i might purchase this after the 30 day free trial.
2021-02-14
I love not having to print forms, then fill them out and scan them. So much time, ink and paper wasted. Using PdfFiller I just upload the document, fill it out and send. Super easy.
2021-01-28
Highlight Watermark and Calculation in PDF Feature
Enhance your PDF experience with our Highlight Watermark and Calculation feature. This tool allows you to easily mark important information while ensuring your documents maintain their professional appearance.
Key Features
Apply customizable watermarks to any PDF document
Highlight text and sections for easy reference
Perform automatic calculations within PDF forms
Export and share highlights and calculations effortlessly
Compatibility with various PDF formats
Potential Use Cases and Benefits
Ideal for students marking key references in study materials
Useful for professionals who need to highlight important sections in reports
Helpful for teams collaborating on documents with clear annotations
Great for financial analysts conducting calculations within forms
Perfect for anyone needing to secure documents with clear watermarks
This feature addresses your need for clarity and organization. By using the Highlight Watermark and Calculation tool, you can manage your PDFs more effectively, ensuring that important information stands out while calculations are handled seamlessly. This way, you can focus on what truly matters—your work.
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 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.
How do I highlight a markup in PDF?
Highlight, strikethrough, or underline text Choose Tools > Comment, and select the Highlight Text tool , the Strikethrough Text tool , or the Underline Text tool . Note: Drag from the beginning of the text you want to mark up. (Optional) To add a note, double-click the markup and add text in a pop-up note.
How do I highlight fillable fields in 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 text in markup?
How to Highlight Text with Markup Browser Extension View the page you would like to highlight. Then, click on the Markup extension and make sure the “Text Highlighter” function is toggled on. Then, highlight your text. Your text is now highlighted and saved in Markup!
Why can't I highlight text in PDF?
If you cannot highlight or select text in a PDF, the file might probably be a scanned copy and cannot be edited. How can you tell whether a copy was scanned? It's simple. the alignment of the text will be off, the page's borders won't be in the same place, and some text will be zoomed in more than others.
How do I change the markup color in a PDF?
Modifying Markup Properties Right click the markup icon you wish to modify » select Properties The Properties dialog box for the markup you selected appears. To change the color of the markup, Select the Appearance tab. To change general information about the markup, Select the General tab. Click OK.
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