pdfFiller vs. Formstack Sign for Office For Free

Boost teamwork efficiency with an end-to-end PDF solution that empowers teams to collaborate, share, and manage documents in a secure, user-friendly workspace.
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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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
Users

Improve team collaboration with Organizations

Introducing Organizations, a new way to speed up work inside a team. Edit and securely share documents, streamline the signing process, and stay connected with your teammates. Create an organization and share the benefits of your subscription with teammates. No extra cost – new accounts are already included in selected plans*.
Create an organization now
* pdfFiller Premium plans

What you get with Organizations

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Save money on extra accounts

Create an organization and start inviting teammates using free invites included in the Premium plan. Manage your teammates under one subscription.
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Boost your team's productivity

Within an organization, teammates complete tasks 3x times faster. Share folders, documents, and templates and collaborate on them in a secure space.
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Achieve great things

Introduce powerful PDF editing and an eSignature solution to your team. Digitize paper-based workflows to speed up processes, reduce errors, and delight customers.

How to create your organization in pdfFiller

Step 1
Click ORGANIZATIONS located in the top panel of MY DOCS or access Organizations from your account settings.
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Step 2
Add information about your organization and upload a logo.
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Step 3
Enter the emails of teammates that you'd like to add to your organization.
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Note: The number of users you can invite to your organization for free is highlighted in blue. You can only invite users who have not registered with pdfFiller before.
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Step 4
Your teammates receive an invitation email with credentials to log in to their free pdfFiller accounts.
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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 really don't know much about PDF files. But, this site is very easy and simple to use. I also love the chat room help it is amazing and quick. I gve 4 stars because I am not as experienced with PDF Files and do not know what the pro's expect.
Anonymous Customer
2016-03-17
This is something of a category killer. I'm really glad I signed up for this service. It's great for the property rental market. The UX is a little basic and could use some help but it is functional. (Kevin Kell, UX Architect)
Kevin K
2017-03-19
They have very quick and responsive… They have very quick and responsive customer service. I was greatly relieved to have my issue resolved in a very timely manner.
Heather S
2020-03-13
Gestion documentos empresarial Satisfactoria de gran calidad una de las mejores herramientas digitales de gestión documental La firma digital poder tener esto.en contratos de trabajo para recursos humanos y para clientes signar cada doc es vital brinda legalidad y certeza La conversión a pdf es un tanto dificil ppderla implementar
Luis armando G.
2022-11-06
Super good page and it works so well in… Super good page and it works so well in the phone app as well! This is especially good if you have a Chromebook which you can't download Adobe on. I've filled in so many files without issues definitely recommend.
Jari
2022-02-24
Practical PDFfiller makes finding and editing a document easy, useful, and practical. It also keeps these important documents in one location for a trouble free experience.
Nicole Reyes
2021-07-15
Great Customer Service and an Amazing Program!!!! Fast and effective customer service when I had difficulties. Easy and user-friendly program that is very versatile. Overall great program!
Steven D.
2021-01-31
Dee is really helping and supportive… Dee is really helping and supportive and very polite to me in solving my problem. He stayed with me until my problem got resolved. Thank you Dee thank you pdf filler team
Fatima Zahoor
2020-12-14
this is amazing, I am a real custoner who cannot be... this is amazing, I am a real custoner who cannot be bothered to write.a long review. But I can honestly say that this is it! Pay for it, absolutley worth it
anonymous R.
2020-06-17

Getting started with the best Form stack Sign — for Office alternative

If you’re seeking a new way of managing documents with your group, you’re going to require a feature-rich and easy-to-grasp answer. And suppose you’re not especially acquainted with how particular issues function, like signature or automated workflows. In that case, this could be very challenging, not to mention pricey, if you choose the wrong PDF editor for your collaboration needs.

Deciding on a PDF editing tool can take time and even resources. Take it seriously and cautiously examine all the Form stack Sign for Office options accessible in the marketplace.

Don’t make a choice without really thinking about your short and long-term requirements.

pdfFiller is mainly a PDF editing answer that assists businesses free up time for people to concentrate on much more meaningful tasks instead of spending time on routine paper-based processes. Besides, it lets teams build more transparent communication and decreases the possibility of errors.

But that is not all that pdfFiller can contribute for your team’s productivity and overall performance. Let’s uncover how pdfFiller is various from Form stack Sign for Office and what it can bring towards the table.

Increased data protection, encryption, and document security options.
Robust desktop software that’s light-weight but powerful at the same time.
Support for multiple platforms across a broad range of devices, so that users can work on documents without interruptions.
The possibility to produce documents or access form templates that require minor changes.
Features for the quick data collection and export, like fillable forms, document templates, and integrations with other solutions.
Last but not the least, simple user interface with intuitive and effortless navigation for a quick setup.
The ability to import, export and convert the preferred formats: PDF, DOC, DOCX, JPEG, PPT, and so on.
Impressive editing and annotation tools allow you to make changes to PDF files quickly as you would make them in Microsoft Word.
The compliance with signature, e-commerce, and data protection standards.

pdfFiller will be the PDF editor that does not just allow you to edit and read PDFs with your staff. It enables you to add notes and annotations, sign documents electronically, build whole signature workflows, instantly produce and duplicate new files, and, lastly, rapidly collect data as well as payments from others. If you may be nonetheless considering in between Form stack Sign — for Office and pdfFiller for teams, attempt pdfFiller’s 30-day trial to assist you decide.

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
Yes, in case you'd like to have access towards the advanced sources provided by Form stack Sign for Office, you ought to upgrade your strategy.
When coping with a PDF editing solution, like Form stack Sign for Office, it is crucial to verify its Privacy Policy and Compliance pages beforehand. This way, you'll find out whether or not this answer has compliance with major legal frameworks, like HIPAA, FER PA, SOC II Type 2, PCI DSS, CCPA, and GDPR compliance.
Absolutely. The pdfFiller interface is very intuitive, and it will not take a lot of time for you to get began and set up a team environment. In addition to, you can access all supporting materials and sources that will make your switch smooth.
You require to double-check the cancellation policy at Form stack Sign for Office before making a move to our solution or discover help in the support group.
Certain, if you’re nonetheless making use of Form stack Sign for Office, it won’t hurt to check out other options, including pdfFiller. You are able to test out attributes for 30 days without any extra charges.
In contrast to Form stack Sign for Office, pdfFiller has a clean and easy-to-use interface nonetheless in the exact same time, it has enough features to work with PDFs seamlessly and accommodate the requirements of teams of any size.
You are able to cancel your plan with pdfFiller at any time in the event you determine to move back to using Form stack Sign for Office.
Sure, our devoted assistance group will be above pleased to assist you with any concerns you have concerning Form stack Sign for Office vs. pdfFiller.
pdfFiller offers 3 various plans, and the choice of plan will define the number of users you can add. Using the Premium plan, you are able to add about four users. The airSlate Company Cloud lets you invite around 5.
pdfFiller when in comparison to Form stack Sign for Office takes the upper hand concerning signature. It features compliance using the relevant legislation (BETA, Midas, and so on.) and offers additional measures for signature authenticity.

Video Review on How to Formstack Sign for Office

#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