Password Protect PDF and Split 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
Based on 12500+ reviews
Last updated on Sep 21, 2025

Password Protect PDF and Split PDF for Windows with pdfFiller

To password protect and split PDFs using pdfFiller, start by uploading your PDF document. Next, choose the option to password protect your file by setting a secure password. To split the PDF, select the pages you want to extract and finalize your changes. This process ensures your document is both secure and organized easily.

What is password protect PDF and split PDF?

Password protecting a PDF ensures that only authorized users can access the document. Splitting a PDF involves dividing a single document into multiple smaller files, which can make it easier to share or edit specific sections. These functions are ideal for enhancing document security and improving workflow efficiency.

Why password protect PDF and split PDF is crucial for effective document collaboration

Document collaboration often involves multiple users accessing the same files. Password protection safeguards sensitive information, ensuring that only individuals with the correct credentials can view the document. Similarly, splitting PDFs allows teams to manage document sections independently, streamlining collaboration and reducing the risk of errors.

Features for password protect PDF and split PDF available in pdfFiller

  1. 1.
    Easy-to-use interface for password protection and splitting PDFs
  2. 2.
    Customizable password options for security
  3. 3.
    Ability to split PDF documents by page range or specific pages
  4. 4.
    Seamless integration with cloud storage for easy access
  5. 5.
    Robust editing features to adjust your document post-splitting

Supported formats for PDF password protect and split PDF

pdfFiller supports various file formats for password protection and splitting, including PDF, DOCX, PPTX, and image files (like JPG and PNG). This versatility allows users to manage different file types seamlessly, ensuring the document flexibility needed in various workflows.

How password protect PDF and split PDF works in different browsers

pdfFiller’s online platform is optimized for major browsers including Chrome, Firefox, Safari, and Edge. Users can effortlessly upload their PDF documents, apply password protections, or split files directly through the browser without needing additional software installations. This cross-platform functionality ensures accessibility from any device with internet connectivity.

Managing password protect PDF and split PDF through pdfFiller's capabilities

With pdfFiller, users can easily manage their documents post-processing. After password protecting or splitting a PDF, users have options to edit, share, or download the modified files. The management tools also enable revision tracking, collaboration features, and storage solutions, making document handling efficient and secure.

Step-by-step guide to password protect PDF and split PDF using pdfFiller

  1. 1.
    Open pdfFiller and log in to your account.
  2. 2.
    Upload your PDF document from your computer or cloud storage.
  3. 3.
    Select the “Protect” option to add a password to your PDF.
  4. 4.
    Set your desired password and confirm it.
  5. 5.
    To split your PDF, select the pages you want to extract.
  6. 6.
    Save the newly created files or password-protected document.

Benefits of using pdfFiller for team password protect PDF and split PDF

Using pdfFiller for these functionalities provides several advantages for teams:

  1. 1.
    Centralized document management in a single platform
  2. 2.
    Improved collaboration with shared access and review capabilities
  3. 3.
    Enhanced security through password protection
  4. 4.
    Streamlined workflows for document splitting and editing
  5. 5.
    Accessibility from anywhere, at any time

Industry use-cases for password protect PDF and split PDF with pdfFiller

Several industries benefit from these PDF functionalities:

  1. 1.
    Legal: Protect sensitive case files while allowing selective sharing.
  2. 2.
    Education: Secure student records and split coursework materials for easier distribution.
  3. 3.
    Finance: Safeguard financial reports while allowing the separation of data for presentations.
  4. 4.
    Healthcare: Ensure patient confidentiality by password protecting medical records and sharing them as needed.

Comparing pdfFiller’s password protect PDF and split PDF features to other platforms

When comparing pdfFiller with other PDF management tools, several key differences emerge:

  1. 1.
    Cross-device accessibility without the need for dedicated software.
  2. 2.
    Comprehensive feature set beyond basic protecting and splitting.
  3. 3.
    Collaborative tools for team communications and feedback.
  4. 4.
    User-friendly interface that simplifies complex document tasks.

Conclusion

Password protect PDF and split PDF for Windows using pdfFiller empowers individuals and teams to secure and manage their documents effectively. With its robust features, easy accessibility, and comprehensive editing tools, pdfFiller provides a powerful solution for document security and collaboration needs. By leveraging these functionalities, users can enhance their workflows while maintaining the integrity of their sensitive information.

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Keep your documents confidential

Edit, then lock it down

Edit text, add images, or fill out forms to complete your PDF. After, create a password to lock down the final version and prevent unauthorized access.
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eSign and protect

After you’ve signed an agreement, protect it with a password to ensure its integrity and keep its contents confidential.
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Verify signers

Sending a document for signing? Add an extra layer of security by setting a unique password or sending a one-time SMS code to your recipients before they can eSign.
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Share with confidence

Send sensitive files without the stress. Add a password before you share via link or email, ensuring only the right people can access your document.
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Your digital cabinet—secured

Keep all documents neatly organized in your secure cloud storage. Move sensitive files, such as contracts or personal records, to a confidential folder accessible only via password.
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How to protect a PDF with a password?

Illustration

1. Upload

Upload your file to pdfFiller and click Tools > Protect document.
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2. Protect

Create a unique password to lock your PDF.
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3. Export

Choose how to export your protected document: download or send to cloud storage.
Upload your document

Who uses this tool?

Learn how professionals use pdfFiller to keep sensitive information safe.
Business Owners
Sales
Real Estate
Construction
Healthcare
Insurance
Legal
Business Owners

Business Owners

Add a password to confidential documents to safeguard your company’s critical data. Ensure that only authorized partners, investors, or team members can access proprietary information, protecting your business from data leaks.
  • Business plans
  • Financial reports
  • Investor agreements
  • Strategic plans
Sales

Sales

Protect your sensitive pricing information and contract terms from being shared with competitors. Add a password to quotes and proposals before sending them to prospects, ensuring that your confidential offers are only seen by the intended recipient.
  • Sales proposals
  • Price quotes
  • Client contracts
  • Commission statements
Real Estate

Real Estate

Maintain client confidentiality and protect personal financial information by securing digital paperwork. Protect purchase offers and client financial statements to build trust and secure transactions.
  • Purchase offers
  • Client financial statements
  • Closing documents
  • Confidential lease agreements
Construction

Construction

Keep project bids and proprietary plans secure from unauthorized access. Protect bids, subcontractor agreements, and architectural drawings, ensuring your competitive information and intellectual property remain confidential.
  • Project bids
  • Blueprints and architectural plans
  • Subcontractor agreements
  • Change orders
Healthcare

Healthcare

Ensure HIPAA compliance and protect patient privacy by password-protecting all documents containing Protected Health Information (PHI). Securely share patient records, lab results, and treatment plans with authorized individuals.
  • Patient medical records
  • Lab results
  • Treatment plans
  • Medical billing information
Insurance

Insurance

Protect sensitive client data and maintain regulatory compliance when handling policies and claims. Add a password to claim forms, investigation reports, and underwriting files to prevent unauthorized access and secure personal information.
  • Client policy documents
  • Claim forms
  • Investigation reports
  • Underwriting files

Why trust pdfFiller to secure your documents?

GDPR
AICPA SOC 2
PCI
HIPAA
CCPA

All-in-one solution

Handle all your document tasks in one place. Create and edit PDFs, collect data and signatures, collaborate, and manage files securely in the cloud.

Cloud-native accessibility

pdfFiller is entirely cloud-based and cross-platform, allowing you to access your documents anytime and anywhere, without installing any software or storing files on multiple devices.

Your documents—secured

pdfFiller prioritizes data protection and regulatory compliance through security measures like data encryption and signer authentication.

Protect PDFs with a trusted, all-in-one solution

Try pdfFiller for all your document management needs.
Upload document

pdfFiller scores top ratings on review platforms

Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
So far I have been satisfied with finding the forms that I need. However, I don't fax things and just wandering if that is included in the amount that I paid of $ 120.00.
Estelle W
This is an excellent way to file claims. I print through the mobile app because it is so convenient. I am getting good results with claim processing. This is a good tool for my office.
S. Kane
What do you like best?
This program is user friendly. Very easy to use with icons and symbols that make to simple to navigate and get the document filled in, saved, emailed or printed very easily. I highly recommend this program for any size business that has PDF documents to fill out
What do you dislike?
There is nothing to dislike. I will say the steps to print. Really nothing to dislike.
What problems are you solving with the product? What benefits have you realized?
Professional documents being filled out and my associates really appreciate this.
User in Construction
PDFfiller is da bomb I like how easy it is to edit a pdf and change what you want or add what you want to it I find it difficult to see how big or small the font is until I print it
Verified Reviewer
What do you like best? Let's me search for forms with ease. Great to correct PDFs. What do you dislike? Printing can take multiple times to work What problems are you solving with the product? What benefits have you realized? It's helpful in filling a form that you can do with Adobe.
User in Real Estate
I love the product just don't have the need to justify a full subscription. I enjoyed the trial period and had great Customer Service when needed. Very prompt with replies. I would recommend this product.
Kim R
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Watch our PDF tools in action

Check out this video tutorial to learn how to secure your PDFs from unauthorized access using password protection.

FAQs

If you can't find what you're looking for, please contact us anytime!
To password protect a PDF on Windows using pdfFiller, first upload your file to the platform. Then, navigate to the 'Security' option where you can set a password. This feature ensures that unauthorized users cannot access your sensitive documents. Additionally, ensure you choose a strong password and consider using security protocols like AES encryption for enhanced protection. Remember to communicate this password securely to authorized users.
To split a PDF using pdfFiller on Windows, begin by uploading your document to the platform. Click on the 'Split PDF' feature, which allows you to separate the file into individual pages or specific sections. This is particularly useful for legal teams or professionals needing to manage large documents efficiently. Always review your split files to ensure they meet your requirements, saving them in an organized manner for future reference.
Yes, pdfFiller allows you to combine password protection and splitting features. You can first split your PDF into manageable sections and then set unique passwords for each file. This is especially advantageous for remote professionals who need to share specific sections securely while maintaining overall document integrity. Always remember to document who has access to each password to streamline collaboration.
pdfFiller employs robust security protocols, including AES 256-bit encryption, to safeguard your password-protected PDFs. When you secure a PDF file, you greatly reduce the risk of unauthorized access, making it ideal for legal and sensitive documents. Users should ensure they regularly update their passwords and adhere to best practices in document security to further enhance their data safety.
When you split PDFs using pdfFiller on Windows, the platform maintains high-quality standards by preserving the original document's formatting and content integrity. After splitting, review the separated files to ensure they meet your expectations. This is particularly vital for SMEs needing precise document management. You can easily edit or re-organize the split files within pdfFiller, ensuring they align with your professional standards.
Absolutely. pdfFiller is designed to complement various document automation tools used in remote workplaces, enhancing the workflow for managing PDFs. Whether you need to import, split, or password protect PDFs, its seamless integration allows for efficient collaboration among teams. Ensure you explore integration options with your existing tools to maximize productivity while leveraging pdfFiller's security features.
When creating a password for your PDF using pdfFiller, it’s essential to choose a strong, unique password that includes a mix of letters, numbers, and symbols. Avoid using easily guessable information like birthdays or common words. This best practice ensures enhanced security for your documents, especially when they contain sensitive information. Regularly updating your passwords further protects your data against potential breaches.

Protect PDFs with a trusted, all-in-one solution

Try pdfFiller for all your document management needs.
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