If you want images of good quality along with transparent background, PNG is the best format to use. So if you have pictures in different forms, convert them using an excellent tool. There are several free and paid PNG converter tools available supporting an array of functions. Below part discuss these tools in detail.

Part 1. 11 Best PNG Format Converters

Some free tools to convert your images to PNG format are available. To help you with the selection task, we have shortlisted the 10 best PNG format converter.

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Online UniConverter

URL: https://www.media.io/image-converter.html

Online UniConverter is a web-based online tool for you to convert and compress images, videos, and audio files for free. There is a free trial area below, and you just need to upload or drag and drop your image file to the function area, select the PNG as the output target format, then click the Convert button to start the PNG file conversion.


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Online Convert

URL: https://image.online-convert.com/convert-to-png

This is an online PNG converter that allows converting all your popular image formats to PNG files in good quality. Files on the system, URL, Google Drive, as well as Dropbox, can be added to the interface for the process. The tool also allows changing the file size and the quality as needed. Additional options include editing color, DPI, enhance, and even cropping. The settings made for the conversion can also be saved for further files.

Key Features:

  • Allows adding files from multiple sources for the conversion.
  • Option to edit files by cropping, editing size, editing quality, DPI, enhance, and color.
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URL: https://jpg2png.com/

To convert your JPG images into PNG files this works as a good online program. Working from the browser window, the tool allows adding up to 20 files at a time with maximum size support of 50MB. The added files are uploaded to the interface and then converted one by one using an appropriate compression method. The converted file can be downloaded to the system.

Key Features:

  • Add up to 20 files at a time with a maximum size of 50MB.
  • Files converted using an appropriate compression method.
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URL: https://onlinepngtools.com/convert-jpg-to-png

You can make picture PNG from JPG format using this free to use online program. Local file one at a time can be added to the program interface for the process. Option to download and save the converted file to the local computer or save it to the clipboard is also there. The program also allows getting a transparent PNG file and adjusting the transparency percentage as needed. Preview of the output file appears at the interface.

Key Features:

  • Facilitates to get transparent images and adjust the transparency percentage as well.
  • Preview of the output file available at the program.
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URL: https://ezgif.com/png-to-jpg

Convert all popular image formats to PNG using this simple online tool. Local and online file through a URL can be added to the program. 35MB is the maximum supported file size that can be to the program. After the conversion, the PNG image can be downloaded to the desired location at your system.

Key Features:

  • Simple to use a free tool that works from the browser window.
  • Allows adding images up to 35MB in size.
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URL: https://convertio.co/png-converter/

Using this online conversion tool images in JPG, BMP, and other formats can be converted to PNG in a few simple steps. Files can be added from the local system, URL, and cloud storage. Multiple files with size support of up to 100MB can be loaded to the interface for the process. Post conversion, the images can be downloaded to the system or can also be saved to the Google Drive or Dropbox account.

Key Features:

  • Add and save files from the local system and cloud storage
  • Multiple files with a maximum size of up to 100MB can be added
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URL: http://www.simpleimageresizer.com/online-image-converter#.XPiqoIgzaUk

Just like its name, this is a simple to use Image conversion tool that allows converting your images to PNG format in decent quality. Additional supported output formats include JPG, PDF, GIF, BMP, and TIFF. The conversion process is simple, where you need to add the local image and select the target format. After the file is uploaded and converted, it can be downloaded to your local system.

Key Features:

  • Support multiple output formats.
  • A simple program that needs no software download or installation.
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URL: https://convertimage.net/convert-a-picture/to-png/

Images in all popular formats like JPG, BMP, TIFF, and many others can be added to this online tool for converting it to PNG as well as other formats. 2441MB is the maximum size of the file that can be added and processed at a time using the program. The file once added, uploaded, and processed can be downloaded to your system for use.

Key Features:

  • Supports multiple image formats for the conversion.
  • Maximum file size that can be added is 2441MB.
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URL: https://www.sodapdf.com/jpg-to-png/

Your JPG images on your computer, Google Drive, or Dropbox account can be added to this free online tool for conversion to PNG format. The program is safe to use where your attached files are permanently removed after 24 hours. The converted files can be downloaded to the computer or can also be received on your email id.

Key Features:

  • Allows adding files from the local system as well as cloud storage.
  • Simple to use free program without any download requirement.
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URL: https://www.zamzar.com/convert/jpg-to-png/

Zamzar is a popular online tool that supports conversion of several types, including JPG to PNG. The process of the conversion is simple and fast, where you just need to add the JPG file to the interface and select the output format. The converted file can be downloaded from the interface itself or can also be received on your desired mail id.

Key Features:

  • Works from the browser-interface without any requirement for software download.
  • The output image can be downloaded to the computer or received on mail id.
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Online Utility

URL: https://www.online-utility.org/servlet/ImageConverter

Use Online Utility to convert your images in BMP, JPG, and other popular formats to PNG format. The tool is free to use, need no software download or registration and has a simple interface. Add image to be converted to the program and it is converted as well as downloaded to your system within no time. More than 120 formats are supported by the tool for conversion to PNG format.

Key Features:

  • Convert over 120 formats to PNG.
  • The converted file is automatically downloaded to your computer.

Part 2. Free Download the Best PNG Converter

If you want to settle for nothing than the best while selecting a PNG file converter, Wondershare UniConverter is just the right tool. This versatile program can be free downloaded on your Windows or Mac system in a few simple steps after which images in JPG, JPEG, BMP, and TIFF format can be converted to PNG format without any quality loss. Multiple local files can be added to the program at a time as it supports batch processing. The software also supports change in image size and quality.

Wondershare UniConverter
  • · Allows image conversion between JPG, JPEG, BMP, PNG, and TIFF format.
  • · Allows changing the output image size and quality.
  • · Support batch processing.
  • · Video conversion between 1000 formats supports.
  • · Comes with a built-in editor supporting several functions.
  • · Windows and Mac version of the software available for download.

PNG Conversion Steps in Wondershare UniConverter

Step 1. Add Images to PNG File Converter

Launch the Wondershare UniConverter software on your system and from the Toolbox, section select the Image Converter option. Click on the + sign or + Add Images button from the pop-up window to browse and load the local images to be converted.


Step 2. Choose PNG as the Target Format

The added file appears on the interface. To convert all the added files, click on the Select All box. Next, from the drop-down options at Convert all images to: tab, choose PNG as the desired target format. The settings icon next to the target format allows changing the output image size and the quality.


Step 3. Convert to PNG

At the File Location tab, desktop location to save the processed files can be selected. Finally, hit on the Convert button to start with the file conversion process.

In addition to image converter, Wondershare UniConverter can also be used as PNG size converter. Using the tool you can also convert PNG to PNG if needed.


To achieve quality and hassle-free conversion of images to PNG file, above listed are the best and free tools that can be used. Wondershare UniConverter is paid software and allows batch processing in high quality with added features.

Kendra D. Mitchell
Kendra D. Mitchell Mar 22, 23
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