Last updated on
Jan 16, 2026
Make Form Field Required 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.
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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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Great product. Have been using it for years. Not easy or intuitive to renew subscription. Ended up getting a 50% renewal but was initially offered a 75% renewal. Mainly use this for personal and light business use.
2016-06-28
I was needing a temporary custody order for my grandchildren. I found exactly what I needed on PDFfiller and it made for a great experience. I will be using this product as needed in the care and control of my Grandkids life.
2017-08-04
It was just what i was looking for...im not very computer literate but WAS NOT hard to learn. I do think a few features could be added or made easier. I WAS NOT HAPPY WITH THE COST. Its mighty ridiculous! For the amount of money i spent and the length of time... S***, unless you are in the business of "screw ups" "uh-oh"ers, the presidents Secretary for his twitter account...or a lawyer. I don't think you get enough time for the cost. And VERY UNSATISFIED with the small print that is located UNDER the nice AFFORDABLE FAKE SALE PRICE at the beginning of the website
2017-08-16
I really love all the features PDF Filler has to offer. I use it just about everyday in the office. I've even used the mobile app from home on my day off. I would recommend PDF Filler to anyone who needs to send and receive documents. Thank you...
2019-09-04
Adobe should take notes from PDFFILLER
I like that it's web based which allows me to use it on any computer without having special software installed.
Nothing too bad but sometimes the converter feature would hang when I was converting large documents.
2019-04-17
What do you like best?
Easy to use! I don't do tech well, and this is easy!
What do you dislike?
I'd like to be able to easily add links that are active.
What problems are you solving with the product? What benefits have you realized?
PDF FILLER gives me the ability to secure my documents and files that I share with clients. I no longer have to worry that people are going to just steal my content and use as their own.
2021-10-14
What do you like best?
Ease of use and can access anywhere I can get internet access
What do you dislike?
I have not had any dislikes at this point
Recommendations to others considering the product:
Cost is low and works perfectly.
What problems are you solving with the product? What benefits have you realized?
Billing and printing issues
2021-10-11
Its a little bit hard to email the…
Its a little bit hard to email the documents back to yourself after the conversion - otherwise, this is a great website for document alterations and conversions. Easy to use, great variation of different tools and mediums.
2021-07-29
Excellent
Excellent! intuitive user interface, i was happy to know we could draw the signature directly from within the application, very happy with this service!
2021-05-26
What is a Required Field?
The term Required means the fields are obligatory for filling out. If they are not filled out or the user typed in data only partially, the Complete button will not work. The filer will see a notification about the necessity to fill the fixed number of empty fields.
Those fields will usually be highlighted with a dark color. A yellow flag helps you find the required cell. The fields highlighted with a lighter color are optional.
The Guide Me instructions are available to those who have difficulties with defining the type of needed field.
Make Form Field Required Feature
The Make Form Field Required feature enhances your forms by ensuring that users provide essential information. This feature guarantees that critical fields cannot be left blank, streamlining data collection and improving user interactions.
Key Features
Ensure critical fields are completed
Prevent form submission until required fields are filled
Simple setup with user-friendly interface
Customizable messages to guide users
Compatibility with various form types
Potential Use Cases and Benefits
Registration forms – Capture necessary user details effectively
Feedback forms – Collect actionable insights without missing key information
Order forms – Minimize errors in essential customer data
Surveys – Improve response quality by mandating vital responses
By employing the Make Form Field Required feature, you address common challenges such as incomplete submissions and unclear data collection. This approach leads to higher response rates and ensures you gather the information you truly need. Say goodbye to missed details and enhance your form's effectiveness today.
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 you show mandatory fields in form?
Provide the required text in the label. Provide a graphic * image in the label with appropriate alt text. Providing a star (asterisk) symbol. Use of color to identify if a form control is required. Providing HTML5 and ARIA required attributes.
How do you make a field required in JavaScript?
//Set the required attribute //element. attribute(“required”, “"). Element. Required = true. //Check the attribute //if (element. attribute(“required”)) {} if (element.
What is field required?
Required fields, also known as mandatory fields, are questions that must be answered by the form-filler. The opposite of a mandatory field is an optional field. With these questions, form-fillers have a choice.
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