Last updated on
Sep 21, 2025
Password Protect PDF and Split PDF for Windows 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.
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Discover the simplicity of processing PDFs online
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Fill out, edit, or eSign your PDF hassle-free
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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
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 was impressed by all the wonderful features that PDF filler has. I would recommend it to anyone. I use it to fill out the PDF forms that have. I don't generate forms, just need the ability to fill them out and sign them. This works so much better than any of the other services I have tried. (both free and paid)
2017-12-12
Kudos to Paul with customer support
Paul with customer support handled my concerns with speed, efficiency, empathy and without judgment. I will not hesitate to use PDF filler again in the near future.
2019-05-09
Great PDF editor!
Great!
PDFfiller is easy to use, powerful, and user-friendly. It has all the features I need.
I'd like to see more fonts so I can match the fonts on the PDF page.
2019-03-13
used a handful of other pdf programs, and while there have been a decent one here or there, most have been quite irresponsible, irresponsive, and irritable! pdfFiller is by far the most user-friendly, quick, and manageable one there is, notes this observer! am definitely glad i went for the platinum membership - has not only calmed my disdain towards pdfs, but i am actually having fun with them now! ^_^
salamat poh, y arrigato, mi llamato ~
2022-11-14
I have to do alot of document changes in my scope of work. This was the easiest program I've used in the 28 years I've worked in the corporate world. It's everything I have always wished I had at any given point but all in one pretty little program. Usually, theres always one feature not thought of or you dont have the option for, I didnt feel that at anypoint. In fact, I was pleasantly surprised each time when there it was in all its glory, the key option I needed. Thank you
2022-08-06
Only ever used Adobe in the past. Found this affordable option. It is fantastic. User friendly and effective app. I applied for a rental with a heap of forms to fill out and now our family are living in it. I accidentally signed the 1year subscription. Advised that I only wanted to use it during the trial period for a purpose and happy to pay for one month. They communication was quick and on point. They summarised and actioned exactly what I requested. Only charged me $30 for the month and cancelled my future subscription. I would happily use this again. Thank you.
2022-03-28
I am a relatively new user to pdffiller, but have found the platform user friendly and does exactly what I need it to. Helping me modernise a lot of statutory requirements for e-signatures and template creations.
When I experienced issues loading documents due to permissions through my work network, the support team at pdffiller responded quickly and continued assisting myself and co-ordinated with my employers IT support function to resolve it within 24 hours, allowing me to get on with my job.
2020-09-25
What do you like best?
All the functions have served me well but.the one I used the most is the fax option. I recently started using PDf fillable now that I'm completely online as it help for those clients that do not have access to printers, scanners or fax machines
What do you dislike?
That I can not save it as a template and upload it to my cloud service
Recommendations to others considering the product:
Would mike to integrate it but I don't know how
What problems are you solving with the product? What benefits have you realized?
Making it easier for people to sign, fill out documents, receive email fax and store documents
2020-08-14
Amazing software and Customer Service is responsive and HELPFUL!
I beta test software as part of my job at ************** and PDFfiller is top notch!
*** **** ******* ***** Psychologist
2020-05-25
Password Protect PDF and Split PDF for Windows
Secure your documents with the Password Protect PDF and Split PDF feature for Windows. This tool offers a simple way to manage your PDF files, ensuring sensitive information stays private and accessible only to authorized users.
Key Features
Easily add password protection to your PDFs
Split large PDF files into smaller, manageable parts
User-friendly interface for quick navigation
Supports various PDF versions
Retain high quality during splitting and protecting
Potential Use Cases and Benefits
Protect financial statements and contracts from unauthorized access
Share important documents while keeping them secure
Organize and manage large PDFs for better productivity
Enhance document sharing by splitting PDFs for easy uploads
Simplify compliance with data protection regulations
This feature effectively solves your document management problems by combining security and convenience. Password protection keeps your information safe, while splitting large files makes it easier to share and navigate through content. Take control of your PDFs and ensure they meet your privacy needs.
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 split a PDF into multiple PDFs for free?
Drag and drop your PDF into the PDF Splitter.
Choose to 'Extract every page into a PDF' or 'Select pages to extract'.
For the latter, select the pages you wish to extract.
Click 'Split PDF', wait for the process to finish and download.
Can I lock a PDF with a password?
One-click option to protect a PDF with a password Choose File > Protect Using Password. Alternatively, you can choose Tools > Protect > Protect Using Password. Select if you want to set the password for Viewing or Editing the PDF. Type and retype your password.
How do I split a protected PDF?
Download and install the program.
Select Split mode of the program.
Add PDF file.
Prepare PDF file.
Choose split type.
Specify the output location.
Split password-protected PDF file.
How to Password Protect PDF and Split PDF for Windows - video instructions
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