Last updated on
Sep 19, 2025
Add Formulas and Calculations in PDFs For Free
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
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
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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:
Support person was very professional and had a great deal of patience. Recommend some kind of tutorial or steps for getting started before filling a form. For example to edit steps 7, 8, 9. To save steps 3,4,5, etc.
It would be great if a hot line number was available in some cases. Thanks again for all of your assistance. I look forward to using your service again in the future and would recommend your product highly.
2016-12-29
I found PDFfiller through Goggle search after trying numerous other sites. I was pleased at how easy your site was to use, in addition to all the options and of course, the price.
2017-02-08
I am a first time user. I've experienced some difficulty but the Support Team is right on it and I expect it to be resolved soon.
Your support is outstanding!
2018-08-29
The intricacies of weaving through browser and google app to use this plugin are quite noteworthy. I consider it a great achievement that the plugin seems to work, even when it encounters strange circumstances. For all that this is a bit ungainly, there were some things I wished worked a little better, but overall quite good.
2020-01-07
Best tool with advanced features - PDF Filler
Add, edit, share & highlight option in one application. Easy to use and must have application if you publish documents frequently.
If you work on PDF files daily it is a must have application. It handles PDF files and let you edit and add content very easily.
- Easy to use tools
- Add text, edit text, highlight, notes etc. many features in one application
- No watermarks which makes it easy to edit and share.
It is working good till now and not found any such cons in the application. Conversion of files do takes times and using advance features needs a pro in that. It gets slower with big files.
2019-12-27
Satisfied customer
I had my free trial with the company but found that it was not for me. The payment had been taken out of my account. I contacted the company and with in minutes I had a reply and my money was refunded to me. I am retired and do not use my computer to its full extent. If this experience is anything to go by then I am sure everyone will be satisfied with the company. Thanks to everyone for their help.
2023-08-03
What do you like best?
GREAT to use, has lots of options and you can upload almost anything!
What do you dislike?
I wish that there were more options, like adding icons, or company stamps. I also have found sometimes when I download it there are lines that run through it, very frustrating when it took like an hour to manipulate a document, and it won't upload without random lines.
What problems is the product solving and how is that benefiting you?
Specifically AIA forms for commercial contracting, such a great tool!
2022-11-03
So far this has been exactly what I was looking for. We just upgraded from paper to a software system and I need something to make our contracts and enrollment documents fillable for the parents and students without redoing everything.
2021-05-19
Could be worse!
Cheap, handy, available on all my devices. Billing department works very fast and efficient.
Glitches and crashes while I am doing offline editing.
What do you think about this review?
2021-03-19
Add Formulas and Calculations in PDFs Feature
Welcome to the new Add Formulas and Calculations in PDFs feature! Say goodbye to manual calculations and let this feature do the work for you.
Key Features:
Easily add formulas and calculations to your PDF documents
Support for a wide range of mathematical functions
Customize formulas to suit your specific needs
Potential Use Cases and Benefits:
Create professional-looking invoices with automatic calculations
Generate accurate financial reports with ease
Speed up data analysis by automating calculations
Solving your problem has never been easier with this feature. Take the hassle out of crunching numbers and let Add Formulas and Calculations in PDFs streamline your workflow.
How to Add Formulas and Calculations in PDFs
To make the most out of the Add Formulas and Calculations in PDFs feature in pdfFiller, follow these simple steps:
01
Open the PDF document you want to add formulas and calculations to.
02
Click on the 'Tools' tab located at the top of the page.
03
From the dropdown menu, select 'Formulas and Calculations'.
04
A sidebar will appear on the right side of the screen with various options.
05
Click on the 'Add Formula' button to start creating a new formula.
06
In the formula editor, you can enter mathematical expressions using numbers, operators, and functions.
07
To reference fields in your PDF, simply click on the 'Insert Field' button and select the desired field.
08
You can also use the 'Insert Function' button to add pre-defined functions to your formula.
09
Once you have entered your formula, click on the 'Save' button to apply it to the selected field.
10
To edit or delete a formula, click on the respective buttons next to the formula in the sidebar.
11
You can add multiple formulas to different fields in your PDF document.
12
To preview the calculated values, click on the 'Preview' button in the sidebar.
13
If you need to make any changes, simply go back to the formula editor and modify the formula.
14
Once you are satisfied with the formulas and calculations, click on the 'Done' button to save your changes.
By following these steps, you can easily add formulas and calculations to your PDFs using pdfFiller's convenient feature.
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
What is pdfFiller?
pdfFiller is an online PDF editing platform. With pdfFiller, you can search for, edit, store, print and export PDF documents online without downloading and installing any software. pdfFiller also allows you to access and edit PDF documents from any device anytime.
Can I do Calculations Using pdfFiller?
Yes. You can easily do calculations in a PDF by adding a formula field to your document. Calculate a value based on number fields in the document in minutes.
#1 usability according to G2
Try the PDF solution that respects your time.