Password Protect PDF and Compress 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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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
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average to create and edit a PDF
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Top-rated for ease of use
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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:
LOVE IT!!!! I was going through sooo many missions printing contracts out and filling them pout by hand. But now with PDFfiller it has made my life sooooooooo much easier!!!
2016-09-22
pdfFiller Review
Overall, PDFfiller is an excellent solution for digital signature, document management, and PDF editing needs. I highly recommend this platform for any user looking for a reliable and convenient solution to work with PDF documents.
PDFfiller is an excellent online platform that I really enjoyed using for its features of digital signature, document management, and PDF editing. I used this platform for more than a year and I was impressed with its ease of use and the speed of its features.
The negative aspect that I noticed on PDFfiller is that it is not always easy to find advanced editing options, especially for beginner users. This can lead to some frustration at the beginning, but once you get familiar with the interface, it becomes much easier to use.
2023-02-17
I used this PDFfiller for the 1st time…
I used this PDFfiller for the 1st time and it worked great. I was able to drag the document that was sent to me into the PDF filler and it opened all the fields so I could edit and resend.
2022-06-04
Pdf Filler Great Review
My overall experience with pdf filler has been great so far
I like the customizable features of pdf filler and being able to use pdf filler for my business and it makes my customers lives easier.
I dislike the third party integration as sometimes it loads slowly.
2022-02-14
Excellent
Excellent! intuitive user interface, i was happy to know we could draw the signature directly from within the application, very happy with this service!
2021-05-26
Great tool to simply fill out PDF
Nothing super fancy but a stable, well purposed PDF editor that has easy access to upload and download PDFs.
Easy to upload and download PDFs for simple editing tasks. Whether wanting to fill out with text or signatures, very simple to edit freely on a PDF.
A lot of competitors that are web based make this another run of the mill PDF editor. Nothing super fancy.
2020-10-23
I've been using different apps for…
I've been using different apps for years that take me about 15-30 minutes to change one document but with PDFfiller it took me less than two minutes! so worth the yearly fee.
2020-10-03
Excellent customer service
Excellent customer service. The request was attended to at a very high speed and got it done. Kudos to the customer service team!
2020-08-11
I was able to find any form that I…
I was able to find any form that I needed to fill out. PdFiller was instrumental in helping me fill out additional tax forms needed to file my taxes. All the forms were there already! There's even away to have your documents sent/mailed to the intended party! I wish there was a way I could have a subscription for a much lower amount that's based on my usage. Right now the price point is decent for a person that uses it frequently like multiple times a day.
2025-07-01
Password Protect PDF and Compress PDF for Windows
Secure your documents with our Password Protect PDF feature while reducing file size using Compress PDF. This solution simplifies document management, making it easy for you to share sensitive information safely and efficiently.
Key Features
Password encryption for document security
Simple interface for easy navigation
Drag-and-drop functionality for fast uploads
Batch processing for multiple files at once
PDF compression to save disk space and streamline sharing
Potential Use Cases and Benefits
Protect confidential information in business documents
Share large files via email without compromising quality
Organize personal files securely on your computer
Prepare legal documents while ensuring compliance
Simplify file management in educational settings
This solution addresses the need for both security and efficiency. By using Password Protect PDF, you can lock your documents against unauthorized access. At the same time, Compress PDF allows you to reduce file sizes, making it quick and easy to share without losing quality. Experience peace of mind knowing your files are both secure and manageable.
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?
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How do I password protect a PDF in Windows?
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 can I protect my PDF file with password?
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
How to Password Protect PDF and Compress PDF for Windows - video instructions
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