Last updated on
Sep 21, 2025
Password Protect PDF and Encrypt PDF for Server For Free
Drop document here to upload
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.
0
Forms filled
0
Forms signed
0
Forms sent
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 like it, but I do want to use the same form and just change a name and date of birth for a sibling. Can I do that or do I have to fill out the same form all over again?
2016-10-16
Great extension. Only been using for a day. Only thing so far that I find fault with is that text entered on the android version of the app displays on a single line whereas on the Chromebook extension displays correctly
2017-10-17
VERY GOOD PRODUCT. WISH IT HAD "ADD/SUBTRACT" FUNCTIONS, WHICH WOULD PRECLUDE THE NEED FOR DOING SO MANUALLY AND THEN INSERTING TOTALS/SUBTOTALS MANUALLY.
2018-06-17
Quite good!Only after I finished, did I see that the date next to my signature at the bottom was misaligned and printing over some text on the form. So, I had to go back to edit that. Very helpful tool, though!
2020-02-19
PDFfiller is a great tool to use for editing and templates
PDFfiller allows me to utilize the same forms frequently. As a result, templates or refillable forms ensure document preparation is quicker and more efficient.
Cloud security, ability to easily create templates for commonly used forms, flatten forms after fields filled in when saving to hard drive, in PDFFiller form remains in tact and is editable for reuse, and menu set-up.
I wish PDFfiller would add the ability to add pages to a documents and allow downloading of templates created. Currently, in personal account, PDFfiller allows emailing to recipient to update information in fields, but doesn't allow me to download my template to my hard drive.
2019-01-16
I encountered a payment issue where I…
I encountered a payment issue where I received an error message and was unable to complete my transaction. The support team was incredibly responsive and helpful. They added 2 days of free access to my account, allowing me to continue using the service while the issue was being resolved. This gesture was very much appreciated and made a significant difference. Thank you for your excellent support!"
2024-09-17
What do you like best?
It is so easy to learn how to use the app I am not strong on a computer but this made me look like a pro.
What do you dislike?
Having to answer something I have not found yet everything has worked great
Recommendations to others considering the product:
I would tell anyone looking for an pdfApp this is the best and easiest I have found to use.
What problems are you solving with the product? What benefits have you realized?
Erase and retype over words has been a great help. Its quick and Easy to use.
2021-02-12
PDFfiller has been relatively easy to use and been an important tool for the conversion of files to PDF for me, during this time of working from home during the pandemic of Covid-19
2020-05-06
First-class customer service! I wanted to try out the free trial version but ended signing up for an annual subscription. I contacted the customer service about this error, and they gave me the refund immediately.
2020-04-25
Password Protect PDF and Encrypt PDF for Server
Ensure your documents remain secure with our Password Protect PDF and Encrypt PDF for Server feature. This essential tool helps you shield sensitive information from unauthorized access, giving you peace of mind while managing your files.
Key Features
Set strong passwords for PDF files to limit access
Encrypt PDF files for secure data transmission
User-friendly interface for easy setup
Batch processing for multiple files at once
Comprehensive support for various PDF standards
Potential Use Cases and Benefits
Protect financial statements before sharing with clients
Secure employee contracts and sensitive HR documents
Prevent unauthorized access to confidential research files
Ensure compliance with data protection regulations
Safeguard personal information in legal documents
This feature effectively addresses your need for document security. By allowing you to enforce strict access restrictions, it protects your valuable information from misuse. You can confidently share your PDFs, knowing they are encrypted and password-protected. Gain control over who can view, print, or edit your documents, and reinforce your commitment to data security.
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 encrypt a PDF with a password?
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.
How to Password Protect PDF and Encrypt PDF for Server - video instructions
#1 usability according to G2
Try the PDF solution that respects your time.