Converting .tiff image from Google Earth Engine to PNG format

Question

I have exported the image from Google Earth Engine and trying to visualize it but It is showing black/Nothing. How to visualize the downloaded .tiff image in valid format [PNG] which can be seen in visualization tool using python.

1. Can we convert this tiff image to png format which can be seen?
2. Which visualization tool we can use to visualize the images?

code.

import os
import ee
import geemap

"""Autentication layer"""

# Trigger the authentication flow.
ee.Authenticate()
# Initialize the library.
ee.Initialize()

"""Creating Path to save Image in Local pc"""

out_dir = os.path.expanduser("Provide the path where you need to save in local PC")

#Creating the Lat/Long and setting band with to extract "multi-spectral imaging "
loc = ee.Geometry.Point(-1.261182, 51.759641)
collection = (
    ee.ImageCollection("COPERNICUS/S2_SR_HARMONIZED")
    .filterBounds(loc)
    .filterDate('2018-01-01', '2018-02-02')
    .filter(ee.Filter.listContains("system:band_names", 'B3'))
    .select(['B1', 'B2', 'B3', 'B4'])  
)

"""Creating the Imgae Collection block"""
geemap.download_ee_image_collection(collection, out_dir, scale=10)