Editing a theme.json file manually with Bluehost file manager

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First, open the block theme's theme.json file in your WordPress directory. You can use the code editor in your host's file manager or download the file, edit it on your computer, and upload it to your server.

For demonstration purposes, we will be using the Twenty Twenty-Four theme and Bluehost’s file manager. If you are a Bluehost user and are using the file manager, you can simply right-click on the theme.json and click “Edit”.

If you use FTP, you can read our guide on how to use FTP to upload files to WordPress .

Let's try a simple example of editing the theme.json file: creating custom font sizes.

Again, remember that the settings property specifies the default styles for the theme, while cambodia telemarketing data the styles property implements them. For this reason, we will modify the settings property in the theme.json file.

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Then, replace the lines of code with the code snippet above. Make sure there are no syntax errors .

Once you’re done, save the file and preview your website to see the changes you’ve made. For Bluehost users, simply click “Save Changes” in the file manager’s code editor.

Saving changes in the theme.json file in the Bluehost file manager
If you want to further modify the theme.json, it is recommended that you familiarize yourself with the file structure, as explained in the previous section.

We also suggest reading the official WordPress Settings Handbook , which includes a complete list of available settings properties and instructions for using them.