(UnityEngine) Quickly create materials. Can be extended to work with other types of materials. (currently: Universal Render Pipeline/Lit)

MaterialHelper.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

public class MaterialHelper : EditorWindow
{
    public string path = "Materials/";
    public string materialName;
    public Texture2D texture;
    public Color color;
    
    [MenuItem("Editor/MaterialHelper")]
    static void Init()
    {
        // Get existing open window or if none, make a new one:
        MaterialHelper window = (MaterialHelper)EditorWindow.GetWindow(typeof(MaterialHelper));
        window.Show();
    }

    private void OnGUI()
    {
        path = EditorGUILayout.TextField("Path", path);
        materialName = EditorGUILayout.TextField("Matname", materialName);
        
        texture = (Texture2D)EditorGUILayout.ObjectField("Select Texture",
            texture,
            typeof(Texture2D));

        color = EditorGUILayout.ColorField("Select Color", color);


        if (GUILayout.Button("Create new Material"))
        {
            CreateMaterial();
        }
    }

    void CreateMaterial() {
        // Create a simple material asset
        Material material = new Material (Shader.Find("Universal Render Pipeline/Lit"));
        material.SetTexture("_BaseMap", texture);
        material.SetColor("_BaseColor", color);

        AssetDatabase.CreateAsset(material, "Assets/" + path + materialName + ".mat");
    }
}