PNG File Extension

PNG file icon

Portable Network Graphic

What is a PNG file?

The PNG file extension is linked to Portable Network Graphic and belongs to the categories of Raster Image Files and Web Files, which include 858 files.

PNG files are supported by Mac OS, Windows and Linux, as well as mobile phones such as Apple iOS. To view a PNG file, you can choose from 60 programs such as XnView, ImageJ and Fotor Photo Editor.

MIME types

  • image/png

File Signature

HEX code: 89 50 4E 47 0D 0A 1A 0A 00 00 00 0D 49 48 44 52. ASCII code: PNG IHDR.

How to open a PNG file?

If you cannot open a PNG file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

XnView, ImageJ and Fotor Photo Editor stand out as the preferred programs to manage PNG files effectively. To get the latest version of Adobe Photoshop, open the Adobe website where a universal installer for all operating systems is available.

After setup, the operating system should recognize PNG files and link them with Adobe Photoshop.

Set Adobe Photoshop as the default PNG program

Change Default Program on Mac

  1. Right click or Control + left click on the desired PNG file;
  2. Choose "Open in Application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Adobe Photoshop. Check the box next to "Always open in app" to set it as the default program.

Set default programs for Windows

  1. Start by right-clicking on your PNG file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
  2. In the pop-up window, select the Adobe Photoshop application;
  3. Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening PNG files.

Convert files to and from PNG

If a PNG file is difficult to handle, you might try converting it to formats such as DWG, JPG, JPEG, GIF, MP3 or similar, which may be easier to work with.

Be aware that converting a PNG file may reduce some features, but you can usually revert it to the original format.

Offline conversion tools, like XnView, Adobe Photoshop and IrfanView, provide reliable and high-quality conversion of PNG files.

Convert PNG to other file formats

Converting Files to PNG Format

Solve problems with PNG files

PNG files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

What are the ways to check if my PNG file is damaged?

PNG raster image files that have become corrupted may display one or more of the following symptoms:

  • When opening the file, errors occur or the inability to access its contents;
  • The file exhibits poor performance during editing operations in Adobe Photoshop;
  • Adobe Photoshop or other programs stop responding or crash when trying to handle the file;
  • Unexplained PNG file size inflation;
  • Actions performed on the file result in the appearance of error notifications;

Why does Adobe Photoshop quit or crash unexpectedly?

Insufficient updates for Adobe products can cause Adobe Photoshop to crash. Be sure to regularly install the latest software updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

What methods can be used to repair a damaged PNG file?

Use a recovery program to open the damaged PNG file, and in the menu, click "Repair" to start the repair operation. Allow the recovery process to complete, which will automatically repair the damaged raster image files.

How to edit a PNG file?

To make changes to PNG files, you need specialized software that allows both opening and editing the raster image files. Online PNG editors offer fewer capabilities than applications optimized for Portable Network Graphic.

Best PNG Editor Software in 2026

Based on your described criteria, here is a list of available PNG editors.

PNG Editor SoftwareDeveloperPlatformsOverall Rating
Adobe PhotoshopAdobeWindows, Mac OS4.8 out of 5 (52 reviews)
PixlrCode MineOnline Services4.8 out of 5 (47 reviews)
Affinity PhotoSerif EuropeWindows, Mac OS4.7 out of 5 (43 reviews)
Image2iconShiny FrogMac OS4.7 out of 5 (40 reviews)
PhotopeaPhotopeaOnline Services4.7 out of 5 (42 reviews)
Revelation Natural ArtLogotronWindows4.7 out of 5 (47 reviews)
ImageJWayne RasbandWindows, Mac OS, Linux4.3 out of 5 (40 reviews)
Microsoft Fresh PaintMicrosoftWindows4.3 out of 5 (41 review)
FiltersMacphunMac OS4.2 out of 5 (41 review)
The Panorama FactorySmoky City DesignMac OS, Windows4.2 out of 5 (44 reviews)