Last updated on
Sep 21, 2025
Unlock PDF and Lock PDF for Server 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
Note: Integration described on this webpage may temporarily not be available.
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Discover the simplicity of processing PDFs online
Upload your document in seconds
Fill out, edit, or eSign your PDF hassle-free
Download, export, or share your edited file instantly
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 expressed concern over miscommunication on the pricing and PDFfiller support took care of the issue immediately. I appreciate it greatly and believe their customer support is one of the best!
2015-06-26
HAD A PROBLEM AS I LOGGED IN UNDER THE WRONG EMAIL ADDRESS I USED @HOTMAIL.HOT INSTEAD OF hOTMAIL.COM
YOUR ONLINE SUPPORT STAFF WAS TERRIFIC HELPING ME
TO UNDERSTAND AND FIX THE PROBLEM
2016-05-04
I really like this, I am using it more than I thought I would. It has made everything very convenient. I also like the fact that the program remembers things that I've previously typed. It saves time for sure!
2017-12-23
Works well but continues to have security issues in connecting with my Google Drive account. Each time I open a PDF in Drive using the PDFFiller App, I get an Unsafe warning. Please clear this problem up. I don't have the time or energy to do your survey right now, perhaps in the future.
2018-05-15
This program has been THEE most useful tool for me in my professional life. I am still finding useful surprises. I can't imagine what I would do without it.
2018-11-08
It was a great find. I hate Printing and filling out forms using pen is so old school and requires extra step of scanning everything back in. It was also Free! Adobe is way too expensive for the handful of times a year I would need it.
2018-12-18
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
2022-11-23
Absolute gold in my role in sales
Absolute gold in my role in sales - to condense a complex sales proposal into key points with notes, comments and sticky notes...it's been a massive help to my business.
2021-07-14
An invaluable resource for filling out forms. Incredibly fast customer service that is exceptional in handling your needs. In this day and age when companies can treat you like a number, it is nice to know that PDF Filler is not one of them. They treat their customers with respect and attention, satisfying their needs quickly and efficiently. More companies could learn from them on how to conduct business.
2020-08-06
Unlock PDF and Lock PDF for Server Feature
Managing PDF documents efficiently requires the right tools. With our Unlock PDF and Lock PDF for Server feature, you can secure and modify your PDF files with ease. This solution meets the needs of businesses looking for secure document management.
Key Features
Easily unlock password-protected PDF files
Secure PDFs with customizable permissions
Batch processing for multiple files at once
User-friendly interface simplifies document management
Compatible with various server environments
Potential Use Cases and Benefits
Unlock confidential documents for internal review
Secure client-facing PDFs while maintaining access control
Facilitate document sharing without compromising security
Speed up workflow by enabling batch processing
Enhance compliance with data protection regulations
By using the Unlock PDF and Lock PDF for Server feature, you can easily manage access to your documents. This tool eliminates the frustration of locked PDFs and ensures your files remain secure when needed. It allows your team to work effectively while safeguarding sensitive information. Embrace a simpler, more secure way to handle your PDF documents.
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 can I open a locked PDF file for free?
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.
How do I unlock a secured PDF for editing?
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 do I unlock a PDF for editing for free?
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.
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Try the PDF solution that respects your time.