Accelerate the way you Annotate PDF on Computer For Free

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Last updated on Dec 12, 2023

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:
Much better than last year. But the pages slide badly -- need one page at a time to finish rather than slipping from page to page as I try to work on just one.
Lydia D
2017-08-31
I am in a tight spot trying to complete personal paperwork with arthritis my writing is horrible, PDF saved me time and stress,not to mention I never used it before.Very user frindely.
Deborah S
2017-10-02
All the features available are really useful. My Only Request is if possible get an offline editor. Overall , The Best Available Online PDF Editor.
Vishnu I
2018-08-29
Some instructions were rather confusing but customer support helped me to find my forms and get them printed and deleted. Thank you for your assistance.
Marian
2019-06-06
So far so good... i've used several different programs and am a quick learner.... can't say that for a lot of people who are not used to new programs.... this is VERY user friendly and I will definitely recommend it!
Kate
2019-06-14
What do you like best?
I use it as a healthcare EHR. Very convenient.
What do you dislike?
I only really have one complaint. When I use it to fill my PDF files, the pop up bubble gets in the way after I click a box so then I have to click somewhere else to see my next option.
Recommendations to others considering the product:
Great.
What problems are you solving with the product? What benefits have you realized?
Send to sign is convenient. Send to fax is also nice.
User in Health, Wellness and Fitness
2018-12-20
Easy to use Best thing about PDF Filler is ease of use. Very user friendly and have good support staff. Could offer more options for customizing but that is being picky.
Michael O.
2019-01-29
This is a very good pdf creator This is a very good pdf creator. Relatively straightforward to use. I just don't need this functionality right now, and the team was super helpful and fast in responding to my request. They're good people!
Alan McDermott
2021-06-13
I apparently didn't understand the subscription options either, like other reviewers. But after seeing unexpected charges on my CC statement I contacted them and they immediately reversed the charges. Efficient, professional, no problem. I think the subscription charges/contracts could be clearer, but on the other hand I was moving pretty fast so maybe it was my error solely. Anyway, no harm no foul. The product itself worked fine. I have no comparison so all I can say is it functions and got my job done.
John W
2020-12-07

Tips on how to Annotate PDF on Computer

People are very limited when it comes to choosing a platform for dealing with PDF files. Many run into difficulties with compatibility, even if they use common operating systems like Android or iOS. We've prepared several tips that may help you simplify your search for tools that can Annotate PDF on your Computer.

Annotate PDF on Computer faster than ever with pdfFiller:

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Constant platform improvements. Benefit from monthly innovations and development.
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Quick login. Use your credentials or social media profiles to access your account.
03
Fast import. Store documents in your preferred storage. You can always upload them from your internal memory, import them from the cloud, or use a link or email.
04
Straightforward interface. Select all the required tools in a maximum of two clicks. There are no hidden buttons and lots of dropdown menus.
05
Convenient export. Send a document by email, archive it in the cloud, submit it to the IRS, or simply download it.

Right after implementing pdfFiller to your workflow, you'll commence to manage PDF files quicker. Eliminate browsing the web wanting to merge multiple tools. Get started having a thorough PDF editing platform. Try it now!

Accelerate Your PDF Annotation Experience

Enhance your document workflow with our PDF annotation tool. This feature is designed to help you quickly and efficiently annotate your PDF files on your computer.

Key Features

Easy-to-use interface for seamless navigation
Multiple annotation options including highlights, notes, and shapes
Save and share annotations with colleagues effortlessly
Organize comments with layers for better management
Compatible with various PDF formats and sizes

Use Cases and Benefits

Reviewing scholarly articles for research purposes
Collaborating on project proposals with team members
Providing feedback on design drafts and presentations
Preparing legal documents with clear notes and highlights
Studying textbooks by marking important sections and adding notes

Our PDF annotation tool solves your need for clarity and collaboration. By streamlining the annotation process, you save time and reduce frustration. You can focus on what matters most—understanding content and sharing ideas. Embrace a more organized and productive approach to reviewing and editing PDF documents today.

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
Go to View > Show Markup Toolbar or click the (sketch pen) icon on the top right. Use the selection and the markup tools annotate the PDF. You can use type, sketch, draw, use shapes, add notes, sign, and change the format for all. Click Done after you finish marking up the PDF.
On a PC or Mac Click the Comment button (top right), or select from the menu bar: View > Comment > Annotations. The Comment pane will appear on the right of the screen. Select an annotation tool listed under the Annotations heading, then click on the document where you want the annotation to be made.
Go to View > Show Markup Toolbar or click the (sketch pen) icon on the top right. Use the selection and the markup tools annotate the PDF. You can use type, sketch, draw, use shapes, add notes, sign, and change the format for all. Click Done after you finish marking up the PDF.

#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