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Discover the simplicity of processing PDFs online

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

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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:
I love this program, it is very helpful. However, I would like to see more PDF editing tools available, so I can do things visually, such as cropping, re-sizing, etc...
2014-12-05
Love it, I can fill in forms and not use my terrible handwriting. I get the fill on items that I look at and your app is blocking me from seeing it on the screen.
2016-08-01
It really is an easy to use application…
It really is an easy to use application and i needed something like this and I didnt have much time so I know if I can use that fast then its a great app!
2020-03-11
The program works amazing wish it was…
The program works amazing wish it was easier to inport templates for medical billing documentation, but we made it work
2021-12-29
Kara was great and guided me right…
Kara was great and guided me right where I needed to be! Did not have to wait and was very knowledgeable! Absolutely will use pdfFiller for all my contract needs.
2021-04-16
PDF Filler was very helpful preparing the documents. Questions were answered by the staff VERY PROMPTLY. I appreciate the assistance and directions to the questions I had.
2021-03-04
I accidently was charged after trying…
I accidently was charged after trying this for completing a teacher application and not finding it as user-friendly as I thought for myself. I had a snip of cancelling, so after a few emails I was able to get a full refund. Very responsive!
2021-02-07
I needed a HIPAA compliant PDF editor and found this one. Lost the document I was working on but was helped by chat and got it back. Very relieving!
2025-07-09
Free trial
Edit: I appreciate the clarification and the time they took to reply to my initial review about the free trial. I will give it a go now and happy to leave it at 5 stars.
Cheers!
2025-06-22
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 does a fax machine work step by step?
In both early and modern faxes, the sending and receiving process revolves around the same basic concept: The machine scans the document. That signal is sent down a telephone line to another fax machine. The other machine decodes the signal and reproduces the document.
What is a fax machine and how does it work?
A fax machine is designed to both send and receive documents, so it has a sending part and a receiving part. The sending part is a bit like a computer scanner, with a CCD (charged-coupled device) that scans only one line of a document at a time, and only in black and white.
What does a fax machine do?
A fax machine is a device that is used to send documents electronically over a telephone network. The transmissions it sends are called faxes, and these can be between two fax machines, or between a fax machine and computer or online fax service that is equipped to send and receive faxes.
Where does a fax go?
The sender dials the fax number that the service has assigned to the recipient. The fax machine translates the data and transmits it over the phone line. The service receives the data, translates it into an image file and sends the image to the recipient's e-mail address.
How can I make a fax machine?
Make sure the fax machine is plugged into a power source and also plugged into a working phone jack. Turn the fax machine on. Obtain the fax number of the destination fax machine. Gather the documents you want to send and put them in the order you want them to be received.
How can I send a free fax from my phone?
All you need is a smartphone, email account and an internet connection to enjoy affordable or free faxing. Download Fax Burner's app from the app store and register on our website to start sending free faxes immediately. Just like that, you can turn your Android device or iPhone into a machine for free faxing.
Can I fax a document from my phone?
Android apps make it convenient to fax documents directly from your Android smartphone. The Mobile Fax Free app allows you to fax single-page documents for free. Mobile Fax Free will convert a picture taken with your phone's camera into a PDF document.
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