Convert PNG to PDF and Encrypt PDF for Desktop 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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Based on 12500+ reviews
Last updated on May 25, 2026

Convert PNG to PDF and Encrypt PDF for Desktop

Convert PNG images to PDF quickly and securely using pdfFiller's intuitive interface.

What Does the PNG to PDF Conversion Tool Do?

The conversion tool allows you to convert PNG files to PDF format easily. This feature is particularly beneficial for creating professional documents that maintain their quality and formatting. You do not need to install any software, making it accessible for anyone looking to convert images without technical setup.

Why Convert PNG to PDF?

Converting PNG images to PDF has several advantages. PDFs maintain formatting across different devices, ensuring that your documents look the same no matter where they are viewed. Additionally, PDFs are easier to share and print, making them suitable for official documentation that requires a professional appearance.

How to Access the Convert Tool

  1. 1.
    Access the conversion tool via the Done dropdown menu in your pdfFiller account.
  2. 2.
    Use the All Tools card for quick access to the conversion feature.
  3. 3.
    Find the tool in the document row under the More menu for easy navigation.

Upload Options for Conversion

When using the conversion tool, you can upload various file types. The tool automatically converts non-PDF files upon upload, streamlining the process. Additionally, you can utilize the drag-and-drop functionality to make uploading even simpler.

Step-by-Step Instructions for Conversion

  1. 1.
    Select the PNG file you want to convert to PDF.
  2. 2.
    Choose PDF as the desired output format from the options provided.
  3. 3.
    Click the 'Convert' button to finalize the conversion process and generate your PDF file.

Supported Output Formats

The primary output format for the conversion tool is PDF. However, you can also convert files to other formats, including Word, Excel, and various image types. Availability of these formats may vary depending on your plan tier.

What to Expect from Converted Files

When converting files, native PNG files typically convert with higher fidelity, preserving the quality of the original image. Scanned images may require Optical Character Recognition (OCR) for text extraction, and the layout of the converted PDF may vary based on the complexity of the original image.

Comparison with Other Export Methods

When comparing the conversion tool with other methods, such as the Save As and Download features, the conversion tool offers unique benefits. It is specifically designed for converting images to PDFs, while Save As may not always maintain formatting. Use the conversion tool when you need a reliable PDF output from PNG images.

Industry-Specific Scenarios for Conversion

There are many real-world applications for the PNG to PDF conversion tool. For instance, graphic designers can use it for client presentations, ensuring that their visuals are presented in a professional format. Legal professionals may find it ideal for converting documents that require signatures. Additionally, it is useful for creating reports from images, allowing for easy sharing and distribution.

Browser and Device Compatibility

The conversion tool works on all major browsers, ensuring that you can access it regardless of your preferred platform. It is accessible on both Mac and Windows operating systems, and the mobile-friendly interface allows for easy use on smartphones and tablets.

Next Steps After Conversion

After converting your PNG files to PDF, you have several options. You can edit the converted PDF to make any necessary adjustments. Additionally, you can share the documents securely with others, ensuring that sensitive information is protected. Finally, consider integrating with other pdfFiller features to enhance your document management workflow.

How Does pdfFiller Compare?

Adobe Acrobat offers comprehensive PDF tools but requires installation and higher costs. The tradeoff is more features but less accessibility for quick tasks. Smallpdf provides similar conversion tools but lacks the extensive template library of pdfFiller, limiting document creation options. Nitro is known for PDF editing but may not be as user-friendly for quick conversions, resulting in a more complex interface for basic tasks.

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All-in-one PDF converter: Convert, edit, sign, and manage documents

Convert and edit
docs in one place

Upload your document, make quick edits online, and save it as a PDF, text document (DOCX), spreadsheet (XLSX), image (JPEG/PNG), or presentation (PPTX).
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Equip yourself with
powerful PDF tools

Edit PDFs online almost as easily as Word documents. Add text, adjust formatting, replace content, insert images, and more.
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eSign and send documents

Sign documents on your own or send them to others for signatures, whether a single recipient or an entire group.
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Annotate & collaborate

Highlight important data, redact sensitive details, add sticky notes, and exchange comments in your PDFs. Then, instantly send documents for review or editing.
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Collect data without chasing people down

Create fillable PDF forms and let others complete them from any device. Publish forms online or share them via a direct link to capture data and signatures.
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Store files securely in the cloud

Organize your documents and templates in secure cloud storage and access them from anywhere. pdfFiller follows strict security regulations to help safeguard your data.
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How to convert your PDF?

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1. Upload your document

Upload a document from your device, cloud storage, email, or URL.
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2. Use the conversion tool

Select your document and click More>More actions>Convert.
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3. Select format and destination

Choose the file format and decide where to save the converted document.
Upload your document

Who needs this?

Explore how professionals across industries use pdfFiller to convert PDFs online.
Real Estate
Education
Human Resources
Legal
Hospitality
Sales
Real estate

Real Estate

Real estate agents and brokers rely on pdfFiller to edit and annotate brochures, lease agreements, and contracts. They can easily convert documents to formats like JPEG, PDF, DOCX, or XLSX for quick sharing and signature collection.
  • Property listing brochures
  • Lease agreements
  • Sales contracts
  • Property management forms
Education

Education

pdfFiller makes it easy for educators and administrators to edit, annotate, and convert educational materials into various formats. With easy-to-use collaboration tools, pdfFiller helps keep students and teachers connected and organized.
  • Lesson plans
  • Student enrollment forms
  • Class schedules
  • Grant proposals
Human Resources

Human Resources

HR teams use pdfFiller to edit and annotate employee documents, ensuring they are tailored to specific roles and processes. Converting these documents into different formats simplifies onboarding and record-keeping.
  • Employment contracts
  • Onboarding documents
  • Application forms
  • NDAs
Hospitality

Hospitality

Hotels, restaurants, and travel agencies use pdfFiller to edit, annotate and share promotional and operational documents. Converting these documents into various formats enhances guest communication and internal processes.
  • Reservation forms
  • Travel itineraries
  • Event brochures
  • Guest feedback forms
Sales

Sales

Sales teams use pdfFiller to edit and annotate proposals and contracts, then convert them into text documents (DOCX), spreadsheets (XLSX), images (JPEG/PNG), or presentations (PPTX) to ensure faster client communication and deal closures.
  • Sales proposals
  • Quotation forms
  • Order forms
  • Customer feedback surveys

Why convert documents with pdfFiller?

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More than a PDF converter

Upload a document in DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX, or TXT format and instantly convert it to a high-quality, editable PDF. You can edit or sign your file, turn it into a fillable form, split it, or merge it with another document.

Convert documents in batches

Bundle several documents together and convert them all in one go - no need to process each file individually. Bulk conversion saves time and helps you organize your digital documents.

Preview and manage pages

Before converting your document, review and remove any unnecessary pages to keep it as clean as possible. Excluding pages you don’t need is a great way to reduce file size without sacrificing quality.

Convert documents with a trusted solution

Try easy-to-use tools for all your document management needs.
Upload your 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
This program has saved my processing life! Any and all documents i need from a Verification of Rent to a Processor's Cert are at my fingertips. I love it!
Amy M
This program is a life saver. I personally, have horrible handwriting and this saved me from the embarassment of turning this in with horrible handwriting
Ethan D
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Watch our PDF converter in action

Check out a quick video tutorial that shows how to convert any file into an editable PDF in three easy steps.

FAQs

If you can't find what you're looking for, please contact us anytime!
To convert PNG to PDF and encrypt PDF for desktop, use pdfFiller's intuitive interface. Start by uploading your PNG file to the platform. Once uploaded, select the 'Convert to PDF' option. After conversion, you can encrypt your PDF by choosing the 'Protect' feature, where you can set a password and apply security protocols to restrict access. This method ensures your documents are both accessible and secure, making it ideal for remote professionals and legal teams who prioritize document confidentiality.
Best practices for encrypting a PDF after converting a PNG file include using strong passwords and selecting appropriate encryption levels. After converting your PNG to PDF on pdfFiller, navigate to the encryption settings. Opt for AES-256 encryption for robust security. Additionally, ensure that you share the password securely with authorized users only. This approach not only protects sensitive information but also enhances compliance with security protocols, which is crucial for legal teams and SMEs.
Yes, you can automate the process of converting PNG to PDF and encrypting it on desktop using pdfFiller's API. By integrating the API into your workflow, you can set up automated tasks that convert images to PDFs and apply encryption without manual intervention. This is particularly beneficial for businesses that handle large volumes of documents, as it saves time and reduces the risk of human error. Ensure you have the necessary technical resources to implement this solution effectively.
When encrypting PDFs, look for security features such as password protection, user permissions, and encryption standards like AES-256. After converting your PNG to PDF on pdfFiller, you can set permissions to restrict editing, printing, or copying of the document. Additionally, consider using digital signatures for authentication. These features not only enhance the security of your documents but also ensure compliance with industry regulations, making it essential for legal teams and remote professionals.
Yes, pdfFiller allows you to convert multiple PNG files to PDF and encrypt them simultaneously. Simply upload all your PNG files at once and select the 'Convert to PDF' option. After conversion, you can apply encryption settings to the entire batch. This feature is particularly useful for SMEs and legal teams that need to manage multiple documents efficiently while ensuring they remain secure. Always verify the encryption settings to maintain document integrity.
Using pdfFiller for converting PNG to PDF and encrypting documents offers several advantages, including user-friendly design, cross-platform compatibility, and robust security features. The platform simplifies the conversion process, allowing users to quickly upload and convert images. Additionally, the encryption options ensure that sensitive information is protected through advanced security protocols. This makes pdfFiller an ideal solution for remote professionals and legal teams who require reliable document management.
pdfFiller ensures the security of your encrypted PDFs through advanced encryption standards and secure cloud storage. When you encrypt a PDF after converting a PNG, the platform uses AES-256 encryption, which is one of the most secure methods available. Furthermore, pdfFiller's cloud infrastructure is designed to protect user data with regular security audits and compliance with industry standards. This level of security is crucial for legal teams and SMEs that handle sensitive documents.

Convert documents with a trusted solution

Try easy-to-use tools for all your document management needs.
Upload your document
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