Accelerate the way you Add Mark to PDF on Desktop For Free
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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:
Customer service is fantastic, as a result, I will continue using pdf filler and liaising with customer service to improve my experience. I love that they get back to you within 12 hours and that they actually respond to you personally. O did not expect this at all.
2016-06-24
Works really well with the exception that the margins or line spacing cannot be change to accommodate specific printer. Alignment can vary depending on the printe
2018-12-20
PDFfiller Software
Great software to update, fill, and sign PDF documents.
User friendly, simple to use, easy way to make quick updates/changes to a PDF document, allows for PDF signatures to be completed, easy to make a document fillable, easy to share documents as needed.
Software can lag with larger documents, tutorials are beneficial when first learning advanced features.
2019-12-13
Great, this time so far. I used the program a little over a week ago but my documents were messed up because I was not told I had to pay first in order to save or print the document. I had to create it all again. It was the same one as this now, 821 ssa form. It took me hours to get as far as I had.
2023-03-07
I am a data manager at a school and this program has made my job a whole lot easier when it comes to asking for student records. This also helps when my fax machine wants to be lazy lol the five stars are definitely not enough!
2022-03-02
What do you like best?
The ability to merge and delete pages from pdf documents, and literally edit any pdf document I need to edit! PDF Filler has saved my life many times!
What do you dislike?
Nothing, I mean it! Absolutely nothing. Mayyyyyyybe the ability to split documents, but really the other options pdfFiller has let me to in that aspect have been amazing.
Recommendations to others considering the product:
I have none, it's amazing!!
What problems are you solving with the product? What benefits have you realized?
I'm merging, I'm deleting unwanted pages, I'm edited...I'm doing all the great things! I am absolutely more productive as a result of pdfFiller.
2022-02-08
What do you like best?
pdfFiller is user-friendly.
Creating templates and editing forms is a breeze.
Blacking out HIPPA information is quick and easy.
Customer Service is prompt and courteous. They resolved my issues quickly and efficiently.
Our corporate office just opened another account, and everyone loves it.
What do you dislike?
I don't have any complaints. pdfFiller has everything I need to make my tasks more manageable.
What problems are you solving with the product? What benefits have you realized?
Completing required medical forms is faster and easier than ever before.
Blacking out HIPAA information on EOB's has cut our time in half for claim submissions.
2021-05-28
I used the pdfFiller product and it…
I used the pdfFiller product and it worked great. Later there was some miscommunication about payment. In less than an hour the matter was corrected.Very good group.Paul
2021-02-25
The product is very good and it works very nice and...
The product is very good and it works very nice and it's very easy to comprehend how to use it, but the way you have the purchase setup I feel is very misleading I signed up for the month the month payment and you took a full year out of my account I did not like that that is why I would never recommend your product to anyone want to use because you can really mess up a person and you could be taking money that they could not have to be taken at the time. You need the fix your payment process area or you will lose other customers like myself because I did report it to the Better Business Bureau cuz I did not appreciate that.
2020-04-27
Accelerate Your PDF Marking Process on Desktop
Introducing a seamless way to add marks to your PDF documents on desktop. This feature enhances your document workflow, allowing you to annotate with ease and precision. You will find that it simplifies your tasks while providing a clear way to convey your thoughts.
Key Features
Quick and easy mark addition
Intuitive interface for user-friendly experience
Support for various mark types, including highlights and notes
Integration with other PDF tools for a cohesive workflow
Cross-platform compatibility for maximum accessibility
Use Cases and Benefits
Perfect for students who want to annotate lecture notes
Ideal for professionals reviewing documents or contracts
Great for teams collaborating on projects with shared PDFs
Useful for anyone needing to organize thoughts on digital reading materials
This feature solves your problem by streamlining the marking process, saving you time and effort. You can now focus on the content without getting lost in complex tools. With a few clicks, you enhance your PDFs, making your notes clear and actionable. Discover how it can revolutionize your document handling today.
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
Where is the markup tool on PDF?
Select an annotation or drawing markup tool Open the Comment toolbar and select the desired annotation tool. To select the drawing markup tool, open the Comment toolbar and click the Drawing Tools icon . Select the desired tool from the Drawing Tools menu.
Video instructions on how to Add Mark to PDF on Desktop
#1 usability according to G2
Try the PDF solution that respects your time.