Media File Information

// 1. Add Columns to Media Library

function add_media_library_columns( $columns ) {

    $columns['media_format'] = 'Format';

    $columns['dimensions']   = 'Dimensions';

    $columns['file_size']    = 'File Size';

    return $columns;

}

add_filter( 'manage_media_columns', 'add_media_library_columns' );

// 2. Display Data in Columns

function display_media_library_column_data( $column_name, $post_id ) {

    switch ( $column_name ) {

        case 'media_format':

            echo esc_html( get_post_mime_type( $post_id ) );

            break;

        case 'dimensions':

            $meta = wp_get_attachment_metadata( $post_id );

            if ( isset( $meta['width'] ) && isset( $meta['height'] ) ) {

                echo esc_html( $meta['width'] . ' x ' . $meta['height'] );

            } else {

                echo 'N/A';

            }

            break;

        case 'file_size':

            $file_path = get_attached_file( $post_id );

            if ( file_exists( $file_path ) ) {

                $bytes = filesize( $file_path );

                echo esc_html( size_format( $bytes, 2 ) );

            } else {

                echo 'N/A';

            }

            break;

    }

}

add_action( 'manage_media_custom_column', 'display_media_library_column_data', 10, 2 );

// 3. Optional: Adjust Column Widths for Better Display

function adjust_media_library_column_widths() {

    echo '<style>

        .column-media_format { width: 10%; }

        .column-dimensions { width: 15%; }

        .column-file_size { width: 10%; }

    </style>';

}

add_action( 'admin_head-upload.php', 'adjust_media_library_column_widths' );