Export an assets data as JSON

ExportAsJson.cs

using UnityEditor;

public class ExportAsJson
{
    [MenuItem("CONTEXT/Object/Export As Json")]
    public static void DoExportAsJson(MenuCommand command)
    {
        var json = EditorJsonUtility.ToJson(command.context, true);
        var path = EditorUtility.SaveFilePanel("Save JSON", "", command.context.name + ".json", "json");
        if (string.IsNullOrEmpty(path))
            return;
        System.IO.File.WriteAllText(path, json);
    }
}