Solved: libpng warning: iCCP: known incorrect sRGB profile

Facing the “libpng warning: iCCP: known incorrect sRGB profile” error while resizing images? Read this post to find a 100% working solution to resolve it.

Recently, I was working on a Magento project, where I wanted to resize images using the Magento 2 CLI command. However, I faced a warning related to iCCP while doing so.

In this post, I will explain what does the “libpng warning: iCCP: known incorrect sRGB profile” in Magento 2 error means and how you can solve it.

 

Understanding the “libpng warning: iCCP known incorrect sRGB profile”

The “libpng warning: iCCP: known incorrect sRGB profile” is related to colour profiles in PNG images. It is displayed while processing images that contain an iCCP chunk with an incorrect sRGB profile.

How to Fix “libpng warning:iCCP known incorrect sRGB profile”?

Actually, “libpng warning: iCCP: known incorrect sRGB profile” is not an error. It’s a warning. And most of the time, you can safely ignore it.

However, some applications treat this warning as an error. And you may need to fix it.

You can use the solutions mentioned below to solve the “libpng warning: iCCP: known incorrect sRGB profile” error in Magento 2, pygame, python, python opencv, C++, Android Emulator, Ubuntu, Apache, etc.

 

Method 1: Remove the Invalid iCCP Chunks from Images

In ImageMagick, you can use the convert command to fix individual images. For example:

The above command will process the original.png image, remove the invalid iCCP profiles, and save it as fixed.png in the same directory.

But if you want to process multiple images at once, you can use the mogrify command. For example:

The above command will strip iCCP profile from every images in the directory. (Make sure to back up the images before performing this action.)

 

Method 2: Recursively Modify PNG Files (Recommended)

Efficient and better way to resolve the “libpng warning:iCCP known incorrect sRGB profile” issue is to search and fix all the images across directories at once.

To do this, you can use the following command:

The above command will look for PNG images in all the directories and execute the mogrify command for them.

 

That’s all. The “libpng warning: iCCP: known incorrect sRGB profile” issue will be fixed.

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