Try an alternative to Nitro PDF Aid Gratuito

Use pdfFiller instead of Nitro PDF to fill out forms and edit PDF documents online. Get a comprehensive PDF toolkit at the most competitive price.
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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

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 use it for filling out work related forms. The forms look much better when filled out online rather than writing in all of the data. I'm able to save a copy online or on my computer, rather than filing a hard copy. It's very convenient and the forms look good too.
Chuck S
2017-11-16
What do you like best?
Ability to convert Word Docs and other formats to PDF.
What do you dislike?
Cannot edit and convert some locked and encrypted files.
Recommendations to others considering the product:
Very nice tool for personal and business use.
What problems are you solving with the product? What benefits have you realized?
Great way to electronically sign PDF's.
Sean Scott
2018-01-16
I just started using this and I am… I just started using this and I am absolutely in love with it. I am still working my way to being a professional at this
Deborah Francis
2020-01-23
I like that I can bring in any fillable… I like that I can bring in any fillable document, it makes everything to do with a business much easier. It's just not very easy to do. I have to remember how to do it every time. Not sure if that is my fualt or if this is just not that user friendly.
Lena Cruz
2023-11-09
I appreciate the different features to edit the documents. I primarily used it for my studies, where I have to closely read a large amount of texts and am not always able or willing to print them (also due to ecological reasons). However something that annoyed me somewhat is the fact, that one can not edit the font of individual words in a textbox. For example when I want to underline a specific word in a sentence, it automatically underlines the whole passage.
Anonymous Customer
2023-05-04
PdfFiller = The Filler of all PDF filling needs! A fine program, useful, optimal, and perfect for what it's for. Ease of use, its incredibly easy and fast for the task. Could be cleaned up a bit. Lots of options that are a bit messy.
Michelle C.
2022-11-10
Kara was wonderful in helping me… Kara was wonderful in helping me resolve my billing issue. Very prompt and helpful responses and we really enjoy the PDFFiller program.
Shannon
2021-08-10
This is a great program This is a great program. If i didn't have a similiar program as part of a package, i would have kept it. Definitely recommending to friends looking for a user friendly and affordable program though. Thanks again!
Kim Dunn
2020-07-14
Ryan on the Support Team was extremely helpful and patient. He walked me through all of the steps to complete the form to my satisfaction. Thank you Ryan for teaching me!
Elyssa
2020-05-21

Nitro PDF Aid vs. pdfFiller’s technical assistance: what does online customer service stand for?

Good on the internet customer service is actually a smooth user experience by means of interaction with all the organization and/or online platform. In brief, it is when a user doesn't need to message client assistance at all. Simultaneously, 3 major indicators of modern customer support on the internet are comfort, prompt help, and the ability to choose a hassle-free communication channel.

What does it imply to reach out to tremendous customer assist? We’ve identified how our customer service is leading notch in on the internet document preparation.

What would be the principles of good customer service? You will find 4 fundamental requirements of good customer service. It's personalized, competent, hassle-free, and proactive. These factors have the most substantial influence around the pdfFiller customer experience and permit it to outshine its competitors. If you have problems searching for Nitro PDF Aid, follow the measures below to experience first-rate user care with pdfFiller.

With pdfFiller client care, you obtain all the above which makes it a customer-centric platform as opposed to a channel-centric 1.

How to switch from Nitro PDF Aid and use pdfFiller’s technical help:

01
Create an account or log in for your existing 1.
02
Upload documents for your Dashboard.
03
Edit, sign, collaborate on, and retailer your documents online.
04
Go to the Assistance page in the event you want any help along with your document management.
05
Join our Community to find assist from active customers.
06
Attain out to our professionals by way of reside chat or submit the quick contact form.
07
View the Assist Center topics to obtain the needed answer.

We’retrying to produce a good, hassle-free client experience for everybody who refers to pdfFiller. Our CS team is online 24/7, 365 days per year. We are going to do our greatest to answer each ticket within half an hour and provide consistently great customer support.

pdfFiller is different from and not affiliated with Nitro PDF. With further questions about Nitro PDF products please contact Nitro PDF directly.

Need far more reasons to choose pdfFiller? Think about:

Integration with your preferred solutions for instance Salesforce, Dropbox, Google Drive, and others
Collaborating on documents in teams
E-filing tax forms straight with the IRS in one click
Online notary
Starting at $8 per month, pdfFiller is more affordable than most competitors
An audit trail for all your document transactions
Ability to gather payments and sell proprietary forms

What gives to pdfFiller the edge over its competition?

pdfFiller is not basically a PDF reading and editing tool. It’s a multi-purpose platform for centralized document management. It enables you to do all the things the competitors do and goes way beyond that, providing features you would commonly discover in several tools. With pdfFiller, you get all you’ll need for establishing productive document workflows.
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Simple document management'
There is no need to download or set up anything. Just create an account, upload your documents, and start working right away: convert, merge, split, annotate, edit, and more you can do to document the way you want. Then, send copies via email, fax, SMS, or even USPS.
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Unparalleled time-efficiency
As opposed to several our competitors, we value your time and want you to be as productive as you can. Develop templates for your most regularly utilized documents to prevent retyping information, fill out up to 1,000 uniform documents simultaneously, or extract data from forms in bulk.
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Expansive library of templates and forms
Need a standardized, fillable form right here and now? Discover it in the pdfFiller online library. Or build a form completely from scratch by simply adding fillable fields in your document. It is possible to host or share forms in seconds, enabling anyone to fill them out online from any device.
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Basic e-signing and tax reporting
Due to the integrated signNow functionality, you are able to e-sign documents on the go, collect signatures from a number of individuals, track the signing progress of a document, set a signing order, etc.
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Security and plenty of storage space
We care about the security of the assets and believe that storage limits shouldn't distract you out of your work. That’s why pdfFiller allows you to keep your documents protected inside the cloud with unlimited storage. On top of that, you’ll be able to protect sensitive data with two-factor authentication and passwords.

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
How to edit a PDF file online:Drag and drop your PDF document into the PDF Editor. Add text, images, shapes or freehand annotations as you wish. You can also edit the size, font, and color of the added content. Click 'Apply' and save the changes and download your edited PDF.
Nitro Pro is a complete PDF editing and creation tool. Previously known as Nitro PDF Professional, this program allows you to edit page arrangement, graphics and text. Nitro Pro suitable for both professional and personal use, and is compatible with any browser on your desktop.
To create PDF/A-1b from a scanner:On the Home tab in Nitro Pro click the PDF button, and then click From Scanner. In the Scan Settings dialog, select your scanner, the sheets to scan, image compression, and then specify the destination. Select the PDF/A1-b compatibility checkbox. More items
With the right PDF editing tools, you can minimize the amount of time you spend switching between different programs and file types. Nitro Pro includes an extensive set of tools to edit the text, graphics, and pages in your existing PDFs, as well as prepare and polish them for distribution.
Welcome to the Nitro PDF Pro user guide Nitro PDF Creator is a virtual printer that enables you to generate a PDF from any application capable of printing. When you click a PDF file in your web browser, the Nitro Web Browser Plugin reads the file and displays it in the web browser.
Just open up the PDF in Nitro and hit the Forms tab at the top. Then hit the Text Field button, and you can either draw the text field wherever you want to enter text, or double-click on the form. If you need to, you can adjust the look of the text field by adjusting the Properties tab under Form Tools.

#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