Post-processing of the Image Failed If This is a photo or a Large Image Scale It Down to 2500 Pixels

If you experienced the error message "Post-processing of the image failed. If this is a photo or a large image, please scale it down to 2500 pixels and upload it again", you should watch the video carefully. After the WordPress 5.3 update, WordPress users are experiencing the issue and looking for the possible solution.

The problem happens for browser caching that you can easily fix clearing the browser cache files. You can also upload images from the Media Library option and the problem will be fixed. I experienced the same issue on my website after the WordPress Version update and did research on it.

Finally, I got a solution and I created the video to help more people who is experiencing the same issue on their website. I know how you feel when you can't upload images on your website and you don't get any solution.

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How to Fix Post Processing Error in WordPress?

I had a quick fix on my website for this error. But most of the people are not getting the solution from the video. I did further research and list few more possible ways. Hope these methods will help you.

Method 1: Clear Browser Caching

Method 2: Upload Image Using Media Uploader

Method 3: Disable "BIG Image" Threshold

Method 4: Downgrade WordPress Version

Clear Browser Caching: This is one of the reason you experiencing the issue of uploading image. You should clear all the caching from the browser and check if the uploading process working or not. If you don't get the solution, you should try the 2nd method.

Upload Image from Media Library: You should visit Media > Add New option from your WordPress dashboard. Then upload an image using the upload option. This will remove the error and you can upload new images easily. 

Disable "BIG Image" Threshold: This is a great plugin by Jonathan Desrosiers that helps you getting quick fix from the error. You can download "Disable "BIG Image" Threshold" plugins from WordPress Theme directory and use it to fix the problem.

Recent WordPress 5.3 update bring a limitation for the larger images more than 2500px. This plugins will help you to fix the error. However, few people blamed the plugin is not working for them. But I suggest you to try the plugin at least to check.

Plugins Download Link

Downgrade the WordPress Version: Most of the people has the common blame that they are experiencing the issue after upgrading their WordPress version. If you also think the latest version is causing the problem, you can downgrade the WordPress version to check. WordPress will fix the error quick and you can than upgrade the version. 

How to Downgrade WordPress Version?

More Solutions from WordPress.org Forum:

Post Processing Image Failed Error

Rather adding this line on the functions.php, I suggest you to install the Plugins I recommended above. Because, if you use the line on main theme instead of the child theme, this code will be removed whenever you update your theme. If you use the plugins, it will be easier for you to deactivate whenever you need.

WordPress image uploading error solution

This command helps to remove all the caches from the server.

Disclosure: We are affiliated with multiple hosting provider, WordPress Theme Developer & plugins developers. We may earn commission if you choose to purchase mentioned product at no extra cost to you!.
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Click Here to Leave a Comment Below 7 comments
Kayt - November 26, 2019

This is no way fixes the issue

    Muhibul Haque - November 26, 2019

    If you did not get the solution, I can help you to fix it. If I can learn something from your website, I will update the tricks here. So more people get help. Please email me, if you want help. riyadabc@gmail.com

Sherry - November 26, 2019

Worked on my website, thanks a lot. This was really a quick fix.

Desu - November 26, 2019

My post is not updating. Also, Image upload option not working. How can I check & Fix?

    Muhibul Haque - November 26, 2019

    If you are experiencing any issue with post publishing & updating, please check this tutorial.

Kayt - November 26, 2019

I cleared my cache and directly uploaded through the media tab. I am still experiencing the same issue.

    Muhibul Haque - November 26, 2019

    I can check the issue on your website, if you want.


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