AssetDatabase.GUIDToAssetPath

Description

Gets the corresponding asset path for the supplied guid, or an empty string if the GUID can't be found.

Returned paths are relative to the project folder, for example: "Assets/MyTextures/hello.png".

using UnityEditor;
using UnityEngine;

public class GUIDToAssetPathExample : MonoBehaviour
{
    [MenuItem("APIExamples/GUIDToAssetPath")]
    static void MaterialPathsInProject()
    {
        var allMaterials = AssetDatabase.FindAssets("t: Material");

        foreach (var guid in allMaterials)
        {
            var path = AssetDatabase.GUIDToAssetPath(guid);
            Debug.Log(path);
        }
    }
}