Last updated on
Sep 25, 2025
Blackout Checkbox and Signature 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.
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.
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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:
Very user friendly site. I did lose my first document, since I didn't select the 'DONE' box first. Maybe just a little pop up message on how important that step is would be helpful.
2015-06-21
I AM ONLY HALF WAY DONE BUT SO FAR VERY EASY,HOWEVER I FIND THE BILLING OPTIONS DECEPTIVE, ALSO LIVE CHAT SUGGESTED A SOLUTION BUT DIDN'T MENTION IT REQUIRED AN UPGRADE!
2016-02-11
Needed a pdf editor, so found this one quickly on google. Expected to edit one document and then cancel my subscription. Edited many more. Wish I had this for the last two years I've been in school. Great Product! Will recommend.
2017-05-31
Having the capability to complete my documents on line and print makes my job run more effective and efficient. When I utilize many of the same forms multiple times it is very time saving to be able to go in make the necessary changes and print. This programs saves valuable work time, and keeps me organized.
2019-01-28
Best program Ever!
This software has changed our business. We are in a very form intensive business and not all forms come in electronically. PDFfiller allows us to convert them and manipulate them to our liking. Saves us tons of time and effort.
Nothing I don't like. This software has allowed us greater efficiency, allowing us to focus our time on other things.
2019-01-29
Their customer service is great
Their customer service is great. They take you seriously and reply with grace and find solutions for you efficiently.
PDF filler is easy to use and a great tool for me who is using it constantly to merge files and reduce them to a smaller size. Especially useful for anyone applying for jobs and need to have everything in one document.
2023-03-16
great product, "home" and "end" keyboard keys slightly buggy
All is great except that when im typing in a text box and click the "home" or "end" key on my keyboard it sends me to the beginning/end of the entire document instead of the beginning/end of the text box itself.
2021-12-12
Scary since I am using lots of numbers for an IRS form and I've forgotten which email I've used and what my password is and I have to redo this form. I need training.
2021-10-26
This is great. We don't have a printer and with the Covid shutdown, we can't just run to friends house to print like we used to. Using PDFfiller, We don't have to print at all, we just fill out the form online and send it off completed.
2020-12-23
Blackout Checkbox and Signature in PDF Feature
The Blackout Checkbox and Signature in PDF feature offers a reliable solution for securely managing documents. With this feature, you can easily hide sensitive information while ensuring that your documents retain their professional appearance.
Key Features
Easily blackout specific text or images in your PDF documents
Add checkboxes for quick form filling and responses
Incorporate signature lines for authentication and approval
Maintain document integrity with secure edits
User-friendly interface for quick and efficient usage
Potential Use Cases and Benefits
Protect sensitive client information in contracts and forms
Simplify data collection through structured checkboxes
Facilitate quicker approvals with digital signatures
Enhance privacy in legal and corporate documents
Streamline the review process for team collaborations
This feature addresses your need for confidentiality and efficiency. By allowing you to blackout information, it helps protect your data while providing a clear and organized document. The addition of checkboxes and signature options streamlines workflows, making it easier for you to manage approvals and gather information, all within a secure and professional framework.
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 create a black box in PDF?
How To Black Out Text in PDF Files Open our online PDF editor. Drag and drop a PDF into the toolbox. Click on the square symbol and select ”Rectangle.” Set the color to black and resize it to cover text. Done!
Why is my signature invisible in PDF?
When you use the SignFile function to add a digital signature to a PDF it adds an invisible digital signature which is not shown on any of the pages in the document.
How do I black out text in a PDF without redacting?
Tips to Black out Text in PDF without Redacting Use the right color and opacity: When blacking out text, choose a dark color that is not easily visible through the fill. Adjust the opacity to your preference to ensure that the blacked-out text is not easily readable.
How do I black out a box in PDF?
To do this, navigate to Tools and select Redact > Redact Text & Images > Find Text & Redact. This makes it easy to identify and then black out that content throughout the document. You can also specify general patterns, such as phone, Social Security, or credit card numbers.
Why is my digital signature invisible?
This is how multiple signatures can be applied to a document while preserving the document's integrity. A visible signature includes a metadata that holds a visible marker (signature appearance) when viewing the document, showing that it has been signed. An invisible signature omits this visible marker.
How do I make my signature visible in PDF?
Click on the Signature Properties button to check signature properties. In the signature Properties window click Show Signers Certificate button. Following screen will be displayed once you click on it. Initially you will get the summary of the Digital Signature in the certificate viewer window.
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