Last updated on
Sep 21, 2025
Password Protect PDF and Encrypt 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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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:
so far so good. Not the easiest to find document while logged in. I find I have to do a search on the document from a web browser to get to it. PFDfiller couldn't find the doc from within the app.
2015-09-22
Great office tool to use. I used PDFfiller to fill out superannuation and government forms where clarity is desirable.
Very easy and intuitive to use.
2017-11-04
desde un inicio debería estar la indicación de que la aplicación es de pago para contemplarlo, en cuanto el funcionamiento es excelente, solo tengo duda acerca de la leyenda de que solo 5 documentos... al día al mes o a que se refieren? agradezco de antemano su atención.
2019-07-17
Love the ease of use.
I would highly recommednd this product to any business person.
Initially, I was hesistant because learning new software is always my dread. However, once I signed on it was so easy. Makes daily document updates and creations easy. I can always find an Accord form I needed with this as well. And edit of pdfs are no longer an avoidance.
Sometimes there is a delay from screen to screen. But nothing to really complain about.
2019-01-22
After looking a good tool, I found it!
I was searching for a tool that allows me to modify, sign and create all-in-on documents and finally I found it here with you, for that reason I subscribed.
2023-09-27
What do you like best?
Any pdf is editable
Integrates well with Google
Easy to use
A great platform for document signing
What do you dislike?
More font options should be available
Pricing can be high
Docusign still signs documents better
What problems are you solving with the product? What benefits have you realized?
Easy to have multiple people sign forms
Manages workflows flawlessly
2021-08-19
PDFfiller is a feature rich document…
PDFfiller is a feature rich document processing program. I had no idea what could be done by this program alone but I have been amazed. I did run into a glitch recently which was an internal error on their part and their support was tremendous in quickly fixing the issue and getting me back in business. The support is also very fast in responding to any questions I have had. I could not ask for more.
2021-05-29
It was so easy
It was so easy! I had to go back a few times to edit some pages of the document, but the process was simple. This was my initial use of the site, and, so far, I'm very pleased.
2020-06-10
Ryan on the Support Team was extremely helpful and patient. He walked me through all of the steps to complete the form to my satisfaction. Thank you Ryan for teaching me!
2020-05-21
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
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