Highlight Watermark and Text Box in PDF Online For Free
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent
Last updated on
Sep 21, 2025
Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
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:
UN F'n Believable...this should be locked down and held a secret with me being your last member..It has given me wings to unlimited potential...thanks
2017-06-15
Ease of use. I was able to tab over to next box throughout the form. There was no need for the prompt, and I. was unable to disable it. Otherwise, it was quick and easy.
2018-10-01
Decent, though the affiliated linked program options which supposedly come with the upgrade purchase don't seem to work / or be actually as advertised.
2019-05-27
Extremely efficient!!!
This application is so easy to use and I love that it integrates with gmail. It's extremely efficient and save a lot of time.
2020-04-07
Great Service - Great Support Team
I used this service just once, but it was very easy to navigate the site and all of its capabilities. I thought I had canceled my subscription after I was done and forgot about it until I was charged the full annual fee. I reached out to them to see if I was eligible for a refund since I had not logged into my account in 29 days. They agreed to refund the charge and were very timely about it! I will use this service again if I ever need it again.
2022-04-26
PdfFiller is very convenient and easy…
PdfFiller is very convenient and easy to navigate. There is a lot of resources to help facilitate whatever project I am working on.
2021-12-05
Very helpful website that is also…
Very helpful website that is also realistic in allowing its customers a reasonable free trial. Very efficient and well thought through.
2021-10-25
Great service. I thought my subscription had expired but the tech support hooked me back up in a jiffy! I prefer to use PDFfiller program rather than the Acrobat Reader DC program. I will always renew my subscription in the future.
2020-05-19
Good PDF Form Filler software
Was able to manipulate the text size to make sure everything fit into the text boxes I had to fill out. By approaching each set of box as one text, it cut down the time needed to fill out the form.
2025-04-15
Highlight Watermark and Text Box in PDF Feature
Introducing the Highlight Watermark and Text Box feature for PDF. This tool allows you to add clear and impactful elements to your documents, ensuring your message stands out. You can easily highlight key information or provide context through text boxes.
Key Features
Add customizable watermarks to secure your documents
Insert text boxes for additional commentary or notes
Easily adjust transparency for subtle branding
Select from various fonts and colors for text boxes
Compatible with any PDF viewer for seamless sharing
Potential Use Cases and Benefits
Create branded documents for marketing purposes
Add disclaimers or instructions to sensitive files
Enhance training materials with interactive elements
Increase document security through watermarked identifiers
Provide feedback or notes without altering the original text
This feature addresses your need for clear communication in your PDF documents. By adding watermarks and text boxes, you enhance readability, protect your content, and offer insights without complicating the layout. It empowers you to convey essential information effectively, making your documents more professional and trustworthy.
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 highlight a box in PDF?
0:28 2:09 How to Highlight Text and Custom Areas in a PDF on Windows YouTube Start of suggested clip End of suggested clip You can use default and custom colors for your annotations. Add the text comments in the descriptionMoreYou can use default and custom colors for your annotations. Add the text comments in the description. Section to add comments to your highlights.
How do I add a watermark to text in PDF?
Add or replace a watermark, with an open document Choose Tools > Edit PDF > Watermark > Add. (Optional) To apply the watermark selectively to individual pages, click Page Range Options. Specify the watermark: To change the size of an image watermark, do one of the following:
How do I add a watermark to a PDF for free?
How To Watermark PDF Pages Online 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 mark up text in a 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.
#1 usability according to G2
Try the PDF solution that respects your time.