Title: Resizing Custom Defined Image Sizes
Last modified: August 30, 2016

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# Resizing Custom Defined Image Sizes

 *  [Michael](https://wordpress.org/support/users/aum001/)
 * (@aum001)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/resizing-custom-defined-image-sizes/)
 * I have a theme which I have defined some custom image sizes in the functions.
   php file but my new theme uses slightly different sizes. Will Regenerate Thumbnails
   regenerate those images to the new custom sizes?
 * [https://wordpress.org/plugins/regenerate-thumbnails/](https://wordpress.org/plugins/regenerate-thumbnails/)

The topic ‘Resizing Custom Defined Image Sizes’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [Michael](https://wordpress.org/support/users/aum001/)
 * Last activity: [10 years, 11 months ago](https://wordpress.org/support/topic/resizing-custom-defined-image-sizes/)
 * Status: not resolved