Are you wondering if there is a way to automatically grayscale images in WordPress when uploading them?
Typically, you need a photo editing tool to change the image to grayscale. However, this can be very time consuming because you need to edit each image before uploading it to your website.
In this article, we will show you how to grayscale images in WordPress when uploading to your website.
When should I use grayscale images in WordPress?
The grayscale image contains only information about the amount of light in the picture. Image colors show different shades of gray, varying between black and white.
In some cases, using grayscale images may be beneficial to your WordPress site. For example, you can use it to improve the readability of objects displayed in an image.
On the other hand, grayscale images are often used in image processing due to their small size. It allows developers to run complex operations in less time.
That is, let's see how to convert an image to grayscale in WordPress when uploading it.
Upload grayscale images in WordPress
When it comes to adding images in WordPress, you must edit them using photo editing software such as Photoshop and convert color images to grayscale images before uploading.
If you have hundreds or thousands of images to upload, manually editing each image can take a lot of time.
However, you can automatically convert them to grayscale images when uploaded. First, all you have to do is add the following code to the theme's functions.php file:
Next, continue to enter the name of the code snippet and paste the above code into the Code Preview area.
You also need to select "PHP Snippet" as the code type from the drop-down list on the right.
After entering the code, you can scroll down to the Insert section.
Here you can select the "Auto Insert" option. This will automatically insert and execute the code for you.
Finally, go back to the top of the screen and switch to Active and click the Save Fragment button.
Next, you can test the code by editing or adding a new page. When you enter the WordPress editor, continue to click the ' button and add image blocks.
You can now upload any image on your WordPress blog and it will automatically convert to a grayscale image.
We hope this article helps you understand how to grayscale images in WordPress. You can also check out our guide on how to choose the best blogging platform and our expert selection of the best web design software.
The above is the detailed content of How to grayscale images in WordPress. For more information, please follow other related articles on the PHP Chinese website!
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