Last updated on
May 25, 2026
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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.
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.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I love it, just wished i could have paid a discounted price by the month. I am just a volunteer minister who volunteers helping disable vets. Meaning I get no paid, but I really like and need the filler.
2014-10-10
I like the smooth transitions and the features are easy to locate. There are no complicated sign up passwords and the editing is very simple to use. Just point and click!
2015-07-02
Really good, not sure how I would be at editing large amounts of info on a PDF with the website but I could be surprised if I went through the online training.
2017-01-20
Love the software but a bit of a brain surgery to start with each new document. The links, steps and path for loading and working on documents need to be highlighted better for new users. Probably makes great sense to the programmer but new users have to hunt for the next link or button to click.
2019-08-13
What do you like best?
Easy to use and has a wide variety of tools. Makes it easy to go paperless. Great price for the number of features it offers. Highly recommend.
What do you dislike?
More mobile compatibility for when I am on the go.
Recommendations to others considering the product:
I highly recommend. It is well worth the price.
What problems are you solving with the product? What benefits have you realized?
Added the ability to have forms sent and signed the same day when working with partners out of state. Stores my forms in one location making them easy to locate.
Easy to use and has a wide variety of tools. Makes it easy to go paperless. Great price for the number of features it offers. Highly recommend.
What do you dislike?
More mobile compatibility for when I am on the go.
Recommendations to others considering the product:
I highly recommend. It is well worth the price.
What problems are you solving with the product? What benefits have you realized?
Added the ability to have forms sent and signed the same day when working with partners out of state. Stores my forms in one location making them easy to locate.
2017-12-07
Try Them Out
Give the trial period a go, you’ll be fully exposed to the functionality of the site. Customer support is communicative and relatively fast. The site wasn’t a fit for my personal needs, but the things that it did do, it does well. Reasonably priced also if you find yourself constantly editing PDFs.
2024-11-16
Great after-sales support!
I recently signed pdfiler demo version to convert a PDF to a word document but for for some reason it didn't work, not the point.
Point it, I forgot to cancel my subscription and was billed for the year.
I immediately cancelled my subscription and contacted pdfiler via the online chat.
That answered within 20 seconds and immediately refunded my payment.
Really great service - thanks!
2022-10-18
I love the features and ease of use of…
I love the features and ease of use of this service. It really has been a great asset to my Resume Service. Thank you so much! Kind Regards, Lucinda Kerrigan, CPRW
2021-01-21
PDF Filler-Sign, Send and Relax
As a user of PDF Filler, I have found I can do so much and I try to when put to the challenge. I have many ways to adjust files and docs to my needs or the needs of my Agency or Management. My fault lies in my own lack of knowledge sometimes or my being scared to try to edit or sign something. Yet I can do so much more than I actually have to it amazes me. It is nice when I have to work on the go and don't have a lot of traditional options as i would use before-print, fill, sign,fax-etc. Stuff like that. I get great simplified organization here and it is right on point.I will keep growing and using this over time.
It is the only way to play for me with needing to sign documents while on the go or out of my home area. Today with covid-19 shutdowns, I am at the mercy of technology more than ever.And I am not the tech type guy. I have to try, fail, try again and learn if all is well. Sometimes, I will get a document on my mobile that says sign and send back right away. I get confused on my Google options, other things I use and I have 2 phones and can easily get lost on both. PDF Filler works so easily and involves virtually nothing.
I still get lost at times or can't get what I am aiming for on one of my personal devices. That is my error. The interface and expansions and lack for separate software actually are great here. Least liked features or issues are at my own fault here. It is pretty solid.
2020-06-09
Compare Two PDF Files Feature
Easily compare two PDF files with our powerful comparison tool. This feature helps you spot differences and similarities in content, so you can make informed decisions quickly. Save time and reduce errors by using this efficient solution.
Key Features
Identify changes between different versions of documents
Highlight differences in text and images
Support for multiple file types and large documents
Simple and user-friendly interface
Quick processing for instant results
Potential Use Cases and Benefits
Editing and refining documents for accuracy and consistency
Tracking revisions during collaborative projects
Ensuring compliance with regulations in legal and financial industries
Comparing contracts or agreements for negotiation purposes
Reviewing academic papers or research for integrity and originality
This feature solves your problems by providing a clear and concise way to analyze changes in PDF files. Whether you are working on a legal document, a report, or any document where precision matters, you can trust our tool to reveal all discrepancies. By making this comparison process easier, you can focus on what truly matters—achieving your goals.
How to Use the Compare Two PDF Files Feature
The Compare two PDF files feature in pdfFiller allows you to easily compare two PDF documents and identify any differences between them. Follow these simple steps to make the most of this feature:
01
Access the Compare two PDF files feature by logging into your pdfFiller account and navigating to the 'My Forms' section.
02
Select the two PDF files you want to compare. You can either upload them from your computer or choose from your existing pdfFiller documents.
03
Once you have selected the files, click on the 'Compare' button to initiate the comparison process.
04
pdfFiller will analyze the two documents and highlight any differences between them. You can easily navigate through the compared documents using the side-by-side view.
05
To further examine the differences, you can zoom in on specific areas, switch between pages, and even view a summary of all the changes made.
06
If you want to save the compared documents for future reference, you can download them or save them directly to your pdfFiller account.
07
Once you have reviewed the compared documents, you can make any necessary edits or changes using the powerful editing tools provided by pdfFiller.
08
Finally, save the changes and share the compared documents with others if needed.
By following these steps, you can easily compare two PDF files using pdfFiller and efficiently identify any differences between them. This feature is particularly useful for reviewing contracts, legal documents, or any other PDF files where accuracy is crucial. Start using the Compare two PDF files feature today and streamline your document comparison process!
Did you know?
Copy leaks plagiarism checker allows you to compare PDF files against one another and get an accurate report of how original the text is. You can compare 2 PDF documents side by side, and similar text is highlighted in both the documents. The tool is able to identify three kinds of similarity, find match types of similar, and text meaning.
Kiwi is a powerful tool to compare PDF files to detect changes in text and images. It can differentiate movements, insertions and deletions, select regions to compare... and much more. Get the PRO version for only a small payment, it has the best value for money.
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 do I view two PDF files side by side?
Open a PDF file and right-click any area in the tab > Select 'Split View'.
Open a PDF file and click 'View' on the main menu > Select 'Split View'.
Open the files in two tabs and click the area between the tabs.
Click the View settings button on the top toolbar.
How do I open two PDF files at once?
Open the PDF you want to use by clicking on the File menu and selecting Open Now go to the Window menu and click on New Window. You now have two windows of the same PDF. One is labeled PDF:1 and the other is labeled PDF:2 so that you can differentiate between the two easily when you are comparing them.
How do I view a PDF and Word document side by side?
Right-Click the PDF icon in the upper left-hand corner. You will get an option to split screen left or right pick whichever. Then select you desired word or other document you should be able to view both documents side by side.
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