Unlock PDF and Esign PDF for Windows 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
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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:
great and very handy util. support in mobile and dasktop is awesome. ui needs to be simplified. if i have to diwnload a doc, i have to go thre four steps now..
ananth
2016-07-07
What do you like best?
Apart from basic editing features like edit, redact, email, share, fax, print , they have awesome features like Send to Sign, Link to Fill which makes working with your documents very easy.
What do you dislike?
Sometimes I get error while printing the document. But it seems a temporary glitch.
Recommendations to others considering the product:
If you deal with lots of PDFs then you must try this software.
What problems are you solving with the product? What benefits have you realized?
Mass form filling on my websites. I need my users to fill lots of forms when they visit our website and PDFfiller made it easy.
User in Internet
2016-06-03
A bit difficult to navigate… A bit difficult to navigate through/enter updates unless you use this on a regular basis. Once the memory kicks in, it's a GREAT tool for making easy changes/adding necessary information.
Amelia Anderson
2020-01-21
It has worked great for me It has worked great for me! Very user friendly, never had any issues with it since I purchased it over a year ago. I would very much recommend it
Gary Thandi
2019-11-24
Great program a fairly easy to use Great program a fairly easy to use. We had to cancel because my company could not justify the expense of the program at this time.
David Norman
2023-05-11
This is the greatest software for online documents I love that this software has been created. It's amazing when you need to do paperwork for something and can do it through email. It's such a hassle trying to complete certain documents and get them where they need to go if you don't have access to doing them via online I have no negative comments about this software
Shekelia P.
2022-11-23
I 'm impressed. I had issues with som scanned dok. with Adobe PDF. Adobe couldn't edit PDF but pdf Filler did it. If not, I would have a lost a whole hour work. Maybe more because the scanned doc. are not in my possession anymore. Thanks pdfFiller. I will buy it at the end my trial.
Michael R
2022-04-08
Great program Great program. Let's you edit PDF, sign documents, send documents to clients or other persons to sign electronically. Also gives access (at least my package) to some limited legal forms which is helpful. Would highly recommend.
Krysten Patel
2021-02-02
I am using this program for school… I am using this program for school applications and I love the ease of downloading and making all my tests and worksheets fillable the only issue so far is that when students fill out worksheets and send to me they all come ananomously so if a student forgets name on paper I have no way to track it, it is definately the students problem but it is just a bit of a hassle.
Michelle Plotts
2020-11-25

Unlock and Esign PDF for Windows

Managing PDFs can be a hassle, especially when you encounter locked files or need to sign documents digitally. With the Unlock PDF and Esign PDF features for Windows, you can easily access your documents and add your signature without any stress. This solution is perfect for anyone who regularly works with PDF files and wants to save time.

Key Features

Unlock secured PDF files quickly and effortlessly
Add electronic signatures to your documents with a few clicks
Support for batch unlocking and signing
User-friendly interface for easy navigation
Secure all your PDF transactions with encryption

Potential Use Cases and Benefits

Access locked files for editing or reviewing
Sign contracts and agreements without printing
Finalize reports and proposals by adding your signature
Collaborate with team members seamlessly
Ensure compliance and security in document management

By using the Unlock PDF and Esign PDF features, you eliminate the frustration of locked files and the inconvenience of printing and scanning pages. This tool streamlines your workflow, allowing you to focus on what matters most—getting your work done efficiently. With its simple and effective solutions, you can enhance your productivity and maintain professional standards in your document handling.

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
Open the PDF document or form that you want to sign. Click the Sign icon in the toolbar. The Fill & Sign tool is displayed. The form fields are detected automatically. Click the Sign icon in the toolbar, and then choose whether you want to add your signature or just initials.
Drag and drop your document in the PDF Password Remover. Confirm that you have the right to the file and click 'Unlock PDF!'. The decryption process should start right away. Modify your PDF further, or click 'Download File' to save the unlocked PDF.
Click the 'Lock' icon in the upper-left corner of the page. Click the link labeled: Permission Details. In the “Security Method' drop down, select: No Security. Enter your unlock password and click the OK button three times.
Click CHOOSE FILE. It's a green button on the right side of the page. Select your PDF file. In the window that opens, go to the location in which your PDF is stored, then click the PDF once to select it. Click Open. Enter the user password. Click UNLOCK. Click VIEW & DOWNLOAD IN BROWSER.

How to Unlock PDF and Esign PDF for Windows - video instructions

#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