Switch from Nitro to pdfFiller for a Save Conditional Fields PDF Solution For Free

Use pdfFiller instead of Nitro to fill out forms and edit PDF documents online. Get a comprehensive PDF toolkit at the most competitive price.
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
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent

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

Switch from Nitro to pdfFiller in 4 simple steps

1
Sign up for free using your email, Google, or Facebook account.
2
Upload a PDF from your device or cloud storage, check the online library for the form you need, or create a document from scratch.
3
Edit, annotate, redact, or eSign your PDF online in seconds.
4
Share your document, download it in your preferred format, or save it as a template.

Experience effortless PDF management with the best alternative to Nitro

Create and edit PDFs

Create and edit PDFs

Instantly customize your PDFs any way you want, or start fresh with a new document.
Fill out PDF forms

Fill out PDF forms

Stop spending hours doing forms by hand. Complete your tax reporting and other paperwork fast and error-free.
Build fillable documents

Build fillable documents

Add fillable fields to your PDFs and share your forms with ease to collect accurate data.
Save reusable templates

Save reusable templates

Reclaim working hours by generating new documents with reusable pre-made templates.
Get eSignatures done

Get eSignatures done

Forget about printing and mailing documents for signature. Sign your PDFs or request signatures in a few clicks.
Convert files

Convert files

Say goodbye to unreliable third-party file converters. Save your files in various formats right in pdfFiller.
Securely store documents

Securely store documents

Keep all your documents in one place without exposing your sensitive data.
Organize your PDFs

Organize your PDFs

Merge, split, and rearrange the pages of your PDFs in any order.

Customer trust proven by figures

pdfFiller is proud of its massive user base and is committed to delivering the greatest possible experience and value to each customer.
740K
active users
239
countries
75K
new subscribers per month
105K
user reviews on trusted platforms
420
fortune 500 companies
4.6/5
average user rating

Get started with
an all‑in‑one PDF software

Save up to 40 hours per month with paper-free processes
Make quick changes to your PDFs even while on the go
Streamline approvals, teamwork, and document sharing
Decoration
G2 Badge
G2 recognizes pdfFiller as one of the best tools to power your paperless office
4.6/5
— from 710 reviews
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
Best Support - Summer 2025
Easiest Setup- Summer 2025

Our user reviews speak for themselves

Read more or give pdfFiller a try to experience the benefits for yourself
5.0
What do you like best?
being able to access a document that I use every month and just make the few changes
What do you dislike?
I have not found any thing yet that I dislike about PDF filler. I tried to think and I just cannot think of anything that I don't like. It works for my needs.
Recommendations to others considering the product:
Try it you will love it and it will change the way you work.
What problems are you solving with the product? What benefits have you realized?
Time saver is the biggest. It no longer takes me 30 minutes to complete a form handwritten. I just download it to pdf filler and go in and type in the answers. I use it every single day and it saves so much of my time and my time is valuable so it is also saving our company money.
Kim Wood
5.0
Creating fillable pdfs has never been better PDF filler has been extremely benefitial for me, I has allowed me to go almost completely paperless, and this has had a great impact for my business since paper cost is extremely high in my country. I love PDFfiller, it is a great software for creating fillable PDF forms and this has allowed me to go almost paperless in my office, I just create the forms, send them to my patients and they send them back and that is it. At first it can be somewhat complicated to use, I believe that it has a steep learning curve, but once you get the hang of it is just a great software.
Yosimar M.

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
To save the completed form, choose File > Save As and rename the file. To remove extended Reader features, choose File > Save A Copy. To allow Reader users to save the data they typed, choose File > Save As Other > Reader Extended PDF > Enable More Tools (Includes Form Fill-in & Save).
Open the PDF file. Fill in/complete the all the fields within the form. After completing your assignment, select the Print icon. Make sure the Destination reads Save as PDF. Select the Save icon and save the file. You can then submit the PDF file that you saved by selecting it from your files.
0:19 1:59 Suggested clip How to set PDF form fields to read only. — YouTubeYouTubeStart of suggested client of suggested clip How to set PDF form fields to read only. — YouTube
Open a file in Acrobat and choose “Tools” > “Protect.” Select whether you want to restrict editing with a password or encrypt the file with a certificate or password. Set password or security method as desired. Click “OK” and then click “Save.”
Once the PDF file with fillable fields is opened, right-click on the PDF file and select Properties. After opening the properties, go to the Security tab. Here, select Password Security from the drop-down menu. A new window will pop up where you need to select None in Changes Allowed.
After you fill out a form, do one of the following: In the File menu, hover your mouse over Save As, and then select Flattened PDF. To save the form under a different name or to a different location, under the File menu click Save As. You can then rename the PDF and save it in a different location.
Follow the steps below to "flatten" a completed PDF fillable form: Open fillable form. Add appropriate data. Right click on document and select Print. Select the PDF printer. ( Select OK. Specify location to save the printed, "flattened" version of the form. Select Save. File the "flattened" form in CM/ECF.
On Windows, just follow these steps: Right-click your PDF. Select Properties. Choose Read-only. Click OK.
Join 64+ million people using paperless workflows to drive productivity and cut costs