Switch from Adobe Acrobat to pdfFiller for a Add Formula Field Button to Document for Sign Solution For Free
Use pdfFiller instead of Adobe Acrobat to fill out forms and edit PDF documents online. Get a comprehensive PDF toolkit at the most competitive price.
Drop document here to upload
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

Upload your document in seconds

Fill out, edit, or eSign your PDF hassle-free

Download, export, or share your edited file instantly
Switch from Adobe Acrobat 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 Adobe Acrobat

Create and edit PDFs
Instantly customize your PDFs any way you want, or start fresh with a new document.

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

Save reusable templates
Reclaim working hours by generating new documents with reusable pre-made templates.

Get eSignatures done
Forget about printing and mailing documents for signature. Sign your PDFs or request signatures in a few clicks.

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

Securely store documents
Keep all your documents in one place without exposing your sensitive data.

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 withan 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

G2 recognizes pdfFiller as one of the best tools to power your paperless office
4.6/5
— from 710 reviews
Our user reviews speak for themselves
Read more or give pdfFiller a try to experience the benefits for yourself
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
Can a fillable PDF do calculations?
A: PDF Studio 9 and above is capable of creating PDF forms with custom calculations. You have the ability to use some preset simple calculations or advanced custom calculations using Java. Select the Text Field that you would like to perform the calculation and open up the Text Field Properties.
How do you auto populate fields in Adobe sign?
So I'm going to hit Ctrl V. And then drag and drop so I want that name to also appear here. And IMoreSo I'm going to hit Ctrl V. And then drag and drop so I want that name to also appear here. And I can go down here select. And then hit Ctrl V. And then place that form field. So again by copying.
Can you make a field required on a fillable PDF?
Open the PDF form. Right-click on the form field > click on Properties > click General. Select Required.
How do I make a field required in Adobe sign?
Making a field required in Adobe Acrobat Open the necessary PDF form, choose Forms & Signatures > Prepare Form. Select the field that needs to be required, right click on it and choose Set as a Required Field: Save changes.
How do you add a calculated field to a PDF form?
To add the Formula Field, select Formula. Drag and drop the selected field anywhere on the document. Open the Formula Builder at the top of your document. It will help you calculate a value based on number fields in the document.
How do I add a signature field in Adobe Acrobat?
To create the field, click on Tools ⇨ Advanced Editing and select Digital Signature Tool. Find the signature blank on the document and draw a box over it. Click Close when the Properties box appears.
How to assign a signature field in Adobe Sign?
Select Tools at the top left of the screen. In the Forms & Signature sections, choose Prepare Form. Select Start. Choose the Add a Signature block icon from the tools ribbon.
How do I add fillable fields to a PDF in Acrobat?
Create form fields Open the document in Acrobat and select Edit > Prepare a form > Create form to convert your document to a PDF form. Choose a form field from the left pane. On the page, select where you want to add the field to create a field with the default size. Place the field at your desired location.
Join 64+ million people using paperless workflows to drive productivity and cut costs