Convert PNG to PDF and Lock PDF for Safari 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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Edit, manage, and save documents in your preferred format

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Convert documents with ease

Convert text documents (.docx), spreadsheets (.xlsx), images (.jpeg), and presentations (.pptx) into editable PDFs (.pdf) and vice versa.
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Start with any popular format

You can upload documents in PDF, DOC/DOCX, RTF, JPEG, PNG, and TXT formats and start editing them immediately or convert them to other formats.
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Store converted documents anywhere

Select the necessary format and download your file to your device or export it to your cloud storage. pdfFiller supports Google Drive, Box, Dropbox, and OneDrive.
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Convert documents in batches

Bundle multiple documents into a single package and convert them all in one go—no need to process files individually.
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Preview and manage pages

Review the documents you are about to convert and exclude the pages you don’t need. This way, you can compress your files without losing quality.
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Protect converted documents

Safeguard your sensitive information while converting documents. Set up a password and lock your document to prevent unauthorized access.

How to quickly convert and compress your PDF?

Upload your document

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

Select your document and click Convert .
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Select format and destination

Decide on the file type and where you want to save the converted document—on your device or in your cloud storage.
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Manage pages and additional settings

Once everything is set, you can access advanced settings to compress a document by excluding unnecessary pages, set passwords, and select other options.
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
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Best Meets Requirements- Summer 2025

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 have to tell my dr. to use this. Tired of his hand-printed & copied over & over stuff & can fax it immediately since he snail mails everything. Highly recommend to anyone who can use all the features. Added plus is that it's so easy to use. It eliminates paper, toner and postage and well worth the price for anyone who needs all the bells & whistles (which he does!!). Thank you, PDFfiller !!
Anonymous Customer
2014-09-19
I had a hard time finding the correct form, but sent a help message and the support team sent immediately a site to find the correct form. I was blown away the speed of the help I received, amazing.
Charlotte M
2015-01-22
EASY TO USE, TRULY ALLOWS ONE TO EDIT PDFS. I WOULD LOVE TO SEE MORE FONTS AND THE ABILITY TO SET THE FONT SIZE MANUALLY, AND SMALLER THAN SIZE 8. OTHER THAN THAT, GREAT, USEFUL APP.
MING W
2017-04-19
A lot of money to make a pretty presentation for the Federal Government. I have no other purpose for this program as I am retired. The program worked well and I had no problems with it's use.
Anonymous Customer
2018-03-21
simply the best online PDF document… simply the best online PDF document handling online. I have had zero problems with this program and will continue to use it over the other available options online.
Jeff B
2020-01-13
What do you like best? I like how easy it is to upload documents and make the necessary changes to the documents that require modification. I have completed forms for students and uploaded signatures easily and have been able to successfully download documents as well. What do you dislike? I have noticed that sometimes when I upload a document that I previously edited using PDFFiller, it makes my signature super bold and not easily read. It changes the format automatically and I have to download a new document to upload and add a signature. It seems like once I utilize PDFfiller and download the document the format of the previous e-signature is no longer compatible. What problems is the product solving and how is that benefiting you? We had to provide e-signatures to international students on their I-20 documents and PDFfiller has been an integral part of that process. It has been very accommodating for me to upload documents and sign them electronically for students and then easily download them and email them back to the students.
Verified User in Higher Education
2022-11-01
What do you like best? Templates and ability to locate my docs 10 What do you dislike? No spell check available and offers no ability to number or set bullets Recommendations to others considering the product: TRY the free version first What problems are you solving with the product? What benefits have you realized? Professional-looking documents rather than handwriting
User in Insurance
2021-07-15
I had to type information into a PDF… I had to type information into a PDF document and I couldn't do it in Windows 10; I found pdf.filler.com and was able to type in my information easily!
Ana L.
2021-02-28
What do you like best? Being able to bill my clients in a timely manner What do you dislike? The fact that you cannot delete entries all at once Recommendations to others considering the product: It's a great program to use when your clients need to be billed on 1 500 claim form What problems are you solving with the product? What benefits have you realized? Being able to bill my clients
Administrator in Medical Devices
2021-02-16

Convert PNG to PDF and Lock PDF for Safari

Enhance your workflow with the Convert PNG to PDF and Lock PDF feature for Safari. This tool simplifies the process of transforming PNG images into secure PDF files. You can use it easily while browsing, ensuring you keep your documents organized and protected.

Key Features

Quickly convert PNG images to PDF format
Secure your PDF files with a password
User-friendly interface for effortless navigation
Access directly from your Safari browser
Maintain high quality during conversion

Potential Use Cases and Benefits

Convert artwork into a portable format for sharing
Create professional reports or presentations with images
Protect sensitive information before sending via email
Archive important visuals in a compact format
Simplify document management by grouping related files

This feature addresses your need for efficiency and security. By converting your PNG files into PDF documents, you can keep your images intact and easily share them without losing quality. Additionally, locking your PDFs ensures that only authorized users can access your sensitive content, providing peace of mind. With this tool, you can streamline your tasks while maintaining control over your documents.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

How to Convert PNG to PDF and Lock PDF for Safari - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025