Secure Document App Online For Free

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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
Note: Integration described on this webpage may temporarily not be available.
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Last updated on Jan 16, 2026

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Edit PDF
Quickly edit and annotate PDFs online.
Sign
eSign documents from anywhere.
Request signatures
Send a document for eSignature.
Share
Instantly send PDFs for review and editing.
Merge
Combine multiple PDFs into one.
Rearrange
Rearrange pages in a PDF document.
Compress
Compress PDFs to reduce their size.
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Create from scratch
Start with a blank page.
Edit DOC
Edit Word documents.

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 love the site, I don't like all of the pop ups though! I constantly have to click out of the pop ups when opening a new form. That is my only complaint! But, all in all, I love this site and it helps me be more efficient.
Sarah L
2015-10-14
Works great and has all the features I required. I have found the customer support to be really prompt when I have had inquiries. Definitely going to keep this past my trial period.
Brodie
2019-04-29
I absolutely love, PDF filler. It is so easy to create forms whether I use them as fillable or not, they are terrific. I love that I can name each form and save each form. It's so easy to print my new forms. I'm actually having the time of my life creating them, it's actually fun I know no one else is probably going to say that but I think it's really fun to use. I am 59 years old and this is better than Etch-a-Sketch back in the day and that says a lot lol I would highly recommend pdfFiller to anyone and I have. I own 3 medical practices and we have forms forms and more forms. PDF filler has been just an absolute lifesaver. I've also use it for personal forms that I need. I haven't had a need to use any of the pre templates that are available. I'm just so thrilled that I found pdfFiller. I actually purchased two Remarkable tablets for my practice and that was a disaster. It was an unremarkable purchase to say the least. It's just not that great when it comes to creating a beautiful document, it just wasn't for us. So glad that I went on Google and found pdfFiller. I am happy business owner! Thank you.
Medical P
2024-03-17
The support team ** really very great and very helpful. they are amazing, I needed help..** they helped me very patiently, really appreciate that. Thank you so much.
Saniya W
2023-11-10
I'VE USED PDFFILLER OFF AND ON FOR A FEW YEARS AND THEY HAVE BEEN OUTSTANDING!!! I CONTACTED CUSTOMER SERVICE TO HELP RESOLVE A BILLING ISSUE. THEY WERE HELPFUL, UNDERSTANDING AND PROMPTLY RESOLVE MY ISSUE. MUCH APPRECIATION AND RESPECT.
Lisa M
2023-11-01
Their Customer service is superb. Their Customer service is superb. I was charged for a subscription which was, to me, erroneous as I had merely tried the sofware and immediately cancelled. But on contacting customer service I was pleasantly surprised at the speed of their response and at the total refund with no qustions asked. They go beyond the call of duty, many thanks.
John Birtles
2023-08-08
Great product and even better customer service I used the product, which was excellent, once during the 30 day trial. However, through my own mistake in not cancelling due to e-mail mix up, I was enrolled in the full year subscription. I explained the situation to support and have been given a full refund. This has to be the best customer service and support I have ever received.
Andrew Bell
2021-02-10
The NC OTP was a perfect match and was all that we needed to get the buyer and seller on the same page. Although it wasn't used by the attorneys it could have easily been used since it was identical to the one they used.
Scott T
2020-09-15
I have had several emergent documents sent to me in PDF-without PDF Filler I was having to print-complete form and either scan the document to my e-mail or fax to the appropriate recipients. PDF filer has saved me an astronomical amount of time :)
Dr. Denise C
2020-07-23

Instructions and Help about Secure Document App Online For Free

Document App Secure: easy document editing

Document editing is a routine procedure performed by most individuals on daily basis, and there's a number of solutions out there to edit a PDF or Word template's content one way or another. Nevertheless, downloadable programs take up space on your device while reducing its performance. Online PDF editing tools are much more convenient for most users, however the vast part don't provide all the important features.

Now there is a right service to change PDFs and much more, online and efficiently.

Using pdfFiller, you can save, modify, generate PDF documents online, without leaving a single browser tab. It supports not just PDF documents but other common formats, e.g., Word, images, PowerPoint and much more. With pdfFiller's document creation feature, make a fillable form from scratch, or upload an existing one to modify. All you need to start processing PDFs with pdfFiller is any internet-connected device.

Proceed to the multi-purpose online text editing tool to start modifying your documents. A great selection of features makes you able to customize not only the content but the layout. Edit pages, add fillable fields anywhere on the document, add images and spreadsheets, change the text formatting and attach a signature — it's all in one editor.

To modify PDF template you need to:

01
Drag and drop a document from your device.
02
Upload a document from your cloud storage (Google Drive, Box, Dropbox, One Drive and others).
03
Browse the Legal library.
04
Open the Enter URL tab and insert the hyperlink to your sample.
05
Search for the form you need in our online library.

Once uploaded, all your templates are easily available from the Docs folder. pdfFiller export all your data to remote server, to provide you with extra level of security. It means that they cannot be lost or used by anyone but yourself. Move all your paperwork online and save time and money.

Secure Document App Feature

The Secure Document App protects your important files while making them easy to access. You can store, share, and manage your documents with confidence. This feature prioritizes your privacy and security, allowing you to focus on what matters most.

Key Features

End-to-end encryption for maximum security
User-friendly interface for easy navigation
Cloud storage for remote access from any device
Customizable sharing options for added control
Automatic backup to prevent data loss

Potential Use Cases and Benefits

Safeguard sensitive personal documents, such as tax files and health records
Share business contracts securely with colleagues or clients
Organize important files in one secure and accessible location
Access files on-the-go without sacrificing security
Meet compliance requirements for data protection regulations

By using the Secure Document App, you eliminate the worry of unauthorized access to your files. This feature provides peace of mind, knowing that your documents are protected. It streamlines your document management tasks and empowers you to share and store with confidence.

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
Share Files Securely. Use the Cloud Safely. Ensure Document Deliveries are Protected. Secure Paper Document Storage. Create a Safe Document Management System. Always Back Up.
Control access. Use confidential waste bins and shredders. Lockable document storage cabinets. Secure delivery of confidential documents. Employee training.
Proper labelling. Insert non-disclosure provisions in employment agreements. Check out other agreements for confidentiality provisions. Limit access. Add a confidentiality policy to the employee handbook. Exit interview for departing employees.
Shredding physical documents, installing anti-malware software, using data encryption and taking regular backups are some important ways to keep your confidential data safe.
Keep the documents in lockable storage cabinets in a locked room that cannot be accessed by everyone. To dispose of sensitive documents, be sure to shred them or use a confidential waste bin.
0:47 2:51 Suggested clip Tips to preserve important documents — YouTubeYouTubeStart of suggested client of suggested clip Tips to preserve important documents — YouTube

#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