Form Security and Authentication For Free

Drop document here to upload
Select from device
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
0
Forms filled
0
Forms signed
0
Forms sent
Last updated on Sep 19, 2025

Discover the simplicity of processing PDFs online

Card illustration
Upload your document in seconds
Card illustration
Fill out, edit, or eSign your PDF hassle-free
Card illustration
Download, export, or share your edited file instantly
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
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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:
PDFfiler allowed me to create a far superior MO Real Estate Disclosure form. It allowed me to edit to my heart's content, rather than scratching handwritten stuff out and ending up with such a mess that i had to hand write another copy. The end result was far more professional looking than a handwritten form. About a 5 minute learning curve and the software functioned perfectly. After editing, I was able to save the pdf to my computer, send it by email, print it, and some other stuff that I didn't use. PDFfiler can also get remote signatures.
playdayz
2015-06-26
My life is so much easier with PDF… My life is so much easier with PDF filler. I can instantly complete any paperwork I have. I was able to figure out how to use it without reading any instructions at all. Even better, I am saving cost and waste of printer and paper.
Kelly D
2020-03-27
It was actually nice, easy and convenient to use. It is just that I find it expensive so I revert back to my old ways means manually filing or writing in forms. :)
Shannylen B
2023-01-22
it did what l wanted it to do. i was not aware this kind of software existed until pdf filler. if l do this kind of job regularly l will use Pdf filler
Fausat
2022-05-04
so far what ive done with the PDFFILLER so far has been complicated rather its been simplistic in a professional manner. By choosing simplistic is meant as negativity rather the layout is made up for every skill level accomplish individual task. with that said give it a try Im confident it will meet ones expectations!!!
Steve B
2021-12-15
PDFfiller is great. VERY HELPFUL fast support. PDFfiller is a great app, with VERY HELPFUL support. Amazing under 40-second chat response from very sharp Kera.
Michael Block
2021-07-30
Sam was absolutely awesome Sam was absolutely awesome! i explained my issue and needless to say i had been trying to figure this out all day and within 5 mins Sam had me on the right path. His excellent customer service and knowledge was a winning combination. Sam is definitely an asset to this companyRhonda W
Rhonda Wright
2021-05-16
What do you like best? I like how easy it is to complete pdf forms using PDF filler. It simplifies my work so much and makes my day easier. What do you dislike? Love everything about the program! It is so easy to use and a pleasure to complete forms. Recommendations to others considering the product: Start using it today! What problems are you solving with the product? What benefits have you realized? I am able to edit pdf forms easily and make the changes needed.
User in Accounting
2020-11-18
pdfFiller is user-friendly and the site is easy to navigate. I love the fact that a function stays the same until you change it, eg. a font size and format. However, I would like the option to use all the Fonts that I have installed on my own computer. When a page is duplicated, I'd love it if the 'changes' made to the original using pdfFiller, could also be duplicated rather than simply a duplication of the original document. I also can't seem to find a way to cut and paste text to apply it in a different area of the document, which means that the process of replicating a change is more time-consuming, but this could be my current unfamiliarity with the software. I was impressed that within a couple of hours of use, I was offered the option to attend a webinar to improve my understanding.
Hayley B
2020-07-27

Signer Authentication and Security. Two-Factor Authentication

Has anyone attempted to steal your online information lately? We understand that while many of you like the convenience of logging in to your online accounts with a single click, others are more interested in enhanced security options. In order to help prevent phishing for your login credentials, pdfFiller is one of the first document management services to develop an account login with two-factor authentication.
Screen
If you go to our login page, you’ll notice that there are now four different login options available. The first is the traditional email and password combination. Remember that if you click on the checkbox next to ‘Remember Me’ and close pdfFiller without logging out, the next time you open pdfFiller, you will be taken directly into your Medics page. There is also an option to retrieve your password here using an email or phone number. For those of you for whom security is a priority, pdfFiller also allows you to log in with your phone number. This recently added option, available to those who have a phone number saved in their account information, requires a two-factor authentication process, similar to what you may have encountered when dealing with your online bank accounts. Simply click the ‘Login with Your Phone’ button, and you’ll be taken to a page where you can enter a phone number. After clicking ‘Send Pin’ you’ll receive a code via SMS. Enter this code and click ‘Log in’ and you’ll be taken directly to your Medics page. This method, which requires two keys for account entry, helps prevent phishing and makes it much more difficult for a stranger to access your personal information.
Screen

Introducing Form Security and Authentication Feature

Are you looking for a reliable solution to protect your data and ensure only authorized users access your forms? Look no further! Our Form Security and Authentication feature has got you covered.

Key Features:

Two-factor authentication for an added layer of security
Customizable access controls to manage user permissions
Encrypted data transmission to safeguard sensitive information

Potential Use Cases and Benefits:

Secure login portals for clients and customers
Protected online registrations for events or webinars
Confidential feedback forms for internal use

By incorporating our Form Security and Authentication feature, you can rest assured that your data is safe and only intended recipients have access. Say goodbye to unauthorized breaches and enhance your data privacy today!

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!

How to Use the Form Security and Authentication Feature in pdfFiller

The Form Security and Authentication feature in pdfFiller allows you to add an extra layer of protection to your forms and ensure that only authorized individuals can access and fill them. Follow these steps to use this feature:

01
Open the form you want to secure in pdfFiller.
02
Click on the 'Security' tab located on the left side of the screen.
03
In the 'Form Security' section, click on the 'Enable' button.
04
Choose the authentication method you want to use. pdfFiller offers three options: password, SMS verification, and two-factor authentication.
05
If you choose the password option, enter a strong and unique password in the designated field. Make sure to use a combination of uppercase and lowercase letters, numbers, and special characters.
06
If you choose the SMS verification option, enter your mobile phone number and click on the 'Send Code' button. You will receive a verification code on your phone. Enter the code in the designated field to complete the authentication process.
07
If you choose the two-factor authentication option, you will need to download the Google Authenticator app on your mobile device. Follow the instructions provided by the app to set up two-factor authentication for your pdfFiller account.
08
Once you have selected and set up your preferred authentication method, click on the 'Save' button to apply the form security settings to your document.
09
Now, whenever someone tries to access the secured form, they will be prompted to enter the required authentication information before they can view or fill the document.
10
You can also customize the security settings further by restricting specific actions, such as printing, editing, or copying the form. Simply click on the 'Advanced Settings' button in the 'Form Security' section and choose the desired options.
11
To remove the form security and authentication, simply go back to the 'Security' tab, click on the 'Disable' button in the 'Form Security' section, and confirm your action.
12
Congratulations! You have successfully learned how to use the Form Security and Authentication feature in pdfFiller.

By following these steps, you can ensure the confidentiality and integrity of your forms, providing peace of mind and security for both you and your recipients.

Did you know?

Card icon
New in version 1.8: Support for login form authentication was added to make:auth in MakerBundle. Make:auth generates a login/logout route, a login form template and a Guard authenticator. The Guard authentication system is powerful, and you can customize your authenticator class to do whatever you need.
Card icon
Authentication technology provides access control for systems by checking to see if a user's credentials match the credentials in a database of authorized users or in a data authentication server. Users are usually identified with a user ID, and authentication is accomplished when the user provides a credential, for example a password, that matches with that user ID. Organizations use authentication to validate users who log into their websites.
Card icon
At one time, 86% of more than 2 million breached passwords were identical to passwords that had already been breached. The solution to security on your entire computer system or on your smartphone is a form of secondary authentication. Biometrics is a term that refers to measuring unique individual characteristics such as the retina, the iris, fingerprints or even the face. Multi-Factor Authentication MFA allows you to use passwords for a longer length of time between password resets.

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
Biometric authentication relies on the unique biological traits of a user in order to verify their identity. This makes biometrics one of the most secure authentication methods as of today.
Secure forms are HTML forms that use SSL certificates to encrypt sensitive data like credit card numbers and personal information before sending them through the Internet. This ensures that anyone potentially listening on the connection has no way of accessing and abusing that data.
A data protection form is a document that allows companies to collect personal information from clients. Use this Data Protection Form to collect contact details from your customers without putting them at risk of breaches!
Form of Security means the form of global security for the Notes (senior debt securities) of the Issuer filed as Exhibit 4.7 with the Registration Statement.
Forms authentication enables user and password validation for Web applications that do not require Windows authentication. With forms authentication, user information is stored in an external data source, such as a Membership database, or in the configuration file for an application.

#1 usability according to G2

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