Last updated on
Sep 25, 2025
Blackout Checkbox and Signature in PDF Online For Free
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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.
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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:
I really like the fact rhat PDF filller allows me to work on very important PDF documents that I need to fill out but I still have trouble navigating these documents which is why I only gave 4 stars. Maybe with better instructiins...
2017-06-11
Mostly I am thrilled with this service I didn't know I needed... until this week... and I needed it twice!! The form MC 030 was glitchy when it came to cut and pasting and editing the comments section. My only complaint.
2017-08-04
Great system. A representative had a little bit of a short temper. I was asking questions because I really did not understand. So, I finished my chat and started a new one with someone different.
2019-09-20
What do you like best?
PDFfiller is a good cloud-based solution for signing and editing pdf documents without the need for a complete pdf editing suite. Uploading files is very simple. We just select Upload to go to the folder and then we can choose which documents to upload.
What do you dislike?
The speed of returning to the dashboard can be a bit slow sometimes. There is no autosave, so every time you log in on another session, you will exit from the first session and lose your unsaved work.
Recommendations to others considering the product:
I have recommended this service to co-workers and others in my field. These people work with many forms and applications and they can solve many problems related to online documents with PDFfiller.
What problems are you solving with the product? What benefits have you realized?
We can easily add the fields we need to any document. In just a few steps, we can send the document to the recipient to collect information or sign. It is especially useful when I leave my desk and need to sign a document on my phone.
PDFfiller is a good cloud-based solution for signing and editing pdf documents without the need for a complete pdf editing suite. Uploading files is very simple. We just select Upload to go to the folder and then we can choose which documents to upload.
What do you dislike?
The speed of returning to the dashboard can be a bit slow sometimes. There is no autosave, so every time you log in on another session, you will exit from the first session and lose your unsaved work.
Recommendations to others considering the product:
I have recommended this service to co-workers and others in my field. These people work with many forms and applications and they can solve many problems related to online documents with PDFfiller.
What problems are you solving with the product? What benefits have you realized?
We can easily add the fields we need to any document. In just a few steps, we can send the document to the recipient to collect information or sign. It is especially useful when I leave my desk and need to sign a document on my phone.
2018-08-09
Awesome and practical!
Awesome and practical !An easy process to fill your PDF forms, it saves your signature for your futur use.You won’t regret buying this program. You can always try it for free as I did myself. Customer service agents are very helpful and consistent to check that everything is well and mostly the customer is satisfied.Thank you Khadija B.
2019-04-16
Kara was so helpful guiding me through…
Kara was so helpful guiding me through resizing a PDF document. I was having a difficult time and she offered to resize it for me.
2024-10-21
What do you like best?
I subscribed to pdfFiller because a vendor sent me a pdfFiller form document that I needed to print. I canceled within the 30 day free trial period before my company card was charged. The cancelation was easy and the PDFfiller customer support desk was very responsive and professional in explaining a small temporary charge to my card. I likely will end up a customer.
What do you dislike?
There was nothing to dislike in my experience with pdfFiller.
What problems is the product solving and how is that benefiting you?
You are making this review process too tedious. I cannot type a novel. It seems like a very professional, well-run company and good product.
2022-11-17
pdfFiller.com gave me faith in online…
pdfFiller.com gave me faith in online companies. I have no idea what I was trying to accomplish, but had signed up for a 30 day trial. I never used the program, just must have been sleep working. Anyhow, I was so surprised when I got the notification that I had just bought a year subscription. I was beating myself up and trying to figure out how I could be so unaware. I first tried to call. The phone was endlessly busy, I thought wow I just lost $122 (I paid in Canadian funds). Anyhow, I thought I may as well try sending an email. I could not believe it!!!! The response was almost immediate. Max, took care of everything. He issued a refund, and let me know he had cancelled any future subscription. I was in absolute shock. If I had a need for pdfFiller, in that moment, I would have signed up for years. THANK YOU for being accommodating and obviously trustworthy. Again, you have given me a bit of hope for humanity.
2022-02-01
So easy to use
So easy to use. I filled in 3 very long PDF forms and they look so much better typed than filled in with my scruffy handwriting. I'll definitely use this service again.
2020-10-19
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?
Contact Support
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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