Extend Mandatory Field Format For Free

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Fill out, edit, or eSign your PDF hassle-free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
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Every PDF tool you need to get documents
done paper-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.
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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.
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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.
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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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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.
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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:
I was impressed by all the wonderful features that PDF filler has. I would recommend it to anyone. I use it to fill out the PDF forms that have. I don't generate forms, just need the ability to fill them out and sign them. This works so much better than any of the other services I have tried. (both free and paid)
Dera
2017-12-12
What do you like best?
I like PDFFIller because it always works, unlike some other PDF tools I've purchased in the past. PDFFiller is my goto tool and will become my exclusive tool once my other package expires.
What do you dislike?
There's a little confusion when saving to my Google Drive. Now and then, the file can't be found there when on my phone.
Recommendations to others considering the product:
I've also used Ecopy for several years and just find PDFfiller to be more user friendly and stable. As I said, it's my goto PDF tool.
What problems are you solving with the product? What benefits have you realized?
I fill in forms, I create forms listing medical issues/histories, electronic signatures are always handy. I also convert to Office Documents if needed.
Sue Cook
2019-08-22
Excellent Tool for Editing PDF Files We use PDFFiller frequently to edit PDF documents to send to clients or vendors. The online platform is very user friendly and has a wide variety of functionality. It does most of the things one would need to do, including adding text, erasing sections, checking boxes, and adding signatures. I wish it was easy to merge PDF documents.
Kenneth H.
2019-07-25
Fulfill Your PDF with pdfFiller The feature I like the most is we can easily export as it is integrated Google, Microsoft and many cloud storages. The text editing feature is awesome. Just Go for it ,your data is safer here Font size editing and positioning the text is difficult at the beginning
Ashok K.
2023-03-02
It's a great service that operates smoothly and is good value for money (especially when deals are applied) compared to Adobe. I prefer the interface and the amount of options is comprehensive.
Kathleen M
2022-01-06
i enjoyed typing up the form i needed… i enjoyed typing up the form i needed with pdffiller it really helped me create the form that i needed. the only thing wrong with it was not having spell check. thanks again
mykala jones
2021-11-24
They have an awesome website that… They have an awesome website that allows you to do multiple actions. Their customer support is top notch! (Shout out to Anna! You are the bomb!)
Dallas Redmond
2020-09-24
great experience! great experience both using the software and the customer service,I highly recommend this to anyone needing the services they provide,
Alan
2020-09-15
What do you like best? It is very easy to use & the PDF stay in the system in case you want to go back to it. What do you dislike? I have no dislikes. It saves me so much time What problems are you solving with the product? What benefits have you realized? I can very easily upload any PDF & undate it or make any change i need to make or just add some information to it.
Judy Krawczyk
2020-08-06

Instructions and Help about Extend Mandatory Field Format For Free

Extend Mandatory Field Format: simplify online document editing with pdfFiller

Filing PDF documents online is the most convenient way to get any type of paperwork done fast. An application form, affidavit or another document — you are just several clicks away from completing them. Filling out is effortless, and you are able to mail it to another person right away. Having access to a PDF editor gives you the opportunity to edit text, add pictures, fill out forms and convert PDF files to other document formats.

Using pdfFiller, you can add text, sheets, pictures, checkboxes, edit existing content or create entirely new documents. Save documents as PDF easily and forward them both inside and outside your company, using the integration's features. Convert PDFs to Excel sheets, images, Word files and much more.

Sign documents digitally using e-signature, which you can create with your mouse or touchpad, or scan from a photograph. Get access to it from all your devices and your signature will be verified all across the United States, according to the DESIGN Act of 2000.

Discover powerful editing features to make your documents look professional. Save documents to the cloud storage to access them across all your devices and secure them from unauthorized use.

Edit PDF files online. Make changes to your documents with a very user-friendly interface. Add scanned images, watermarks and checkmarks. Highlight or blackout the particular text

Create documents from scratch. Add fillable fields. Copy and paste text. Type anywhere on your template

Fill out forms. Browse the template library to pick the ready-made form for your needs

Protect with password. Encrypt your files with two-factor authentication

Change the format. Convert PDF files to any document format including Word or Excel

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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
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.
Most designers use asterisks to indicate the required fields. But it is necessary to stop, the research on the subject is clear, and it is already the case for quite some time, used asterisks for the required field is a common mistake.
Mandatory fields are questions that must be answered before the form can be submitted. Mandatory fields are also called compulsory or required fields. The opposite of a mandatory field is an optional field. Optional fields are also sometimes called voluntary fields.
A web form, also called an HTML form, is an online page that allows for user input. It is an interactive page that mimics a paper document or form, where users fill out particular fields. Web forms can be rendered in modern browsers using HTML and related web-oriented languages.
Asterisk (*) next to a form control's label usually indicates it as “required”.
HTML does not recognize required. There are JavaScript libraries used for form/field validation that look for required and other things like val_email, val_number, etc. But, HTML doesn't use any of these things on its own. In this case, you have to validate the data with JavaScript by yourself.

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Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025