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Trusted file extension guides and opening help from the original project since 2008.

How to open .PNG files on Linux

To open .PNG files on Linux, open with standard image viewers or gimp..

Step-by-step instructions

  1. Open with standard image viewers or GIMP.
  2. Use pngquant for optimized web delivery.

Recommended software

  • Default Photos app
  • Browser preview
  • GIMP

Alternative methods

  • Open .PNG in a browser-based viewer if desktop apps fail.
  • Try opening .PNG on Linux with a secondary app to rule out app-specific issues.
  • Convert .PNG only with trusted tools when direct opening is not possible.

Common issues

Large file size for simple images

Lossless compression can be heavy for photo-like content.

  1. Compress using pngquant or image optimization tools.
  2. Convert photographs to JPG/WebP when transparency is not needed.

Security note

Do not trust metadata from unknown files.

Back to .PNG extension page