Convert Google Chromes Network anaylsis to csv. Right click and copy HAR, then save that file as json. `ruby gc_network_to_csv.rb network.json`

gc_network_to_csv.rb

require "json"
require "csv"

filename = ARGV[0]
json = JSON.parse(File.read(filename))

CSV.open("#{filename.gsub('.json', '')}.csv", "w") do |csv|
  csv << ["URL", "File Size"]
  json["log"]["entries"].each do |r|
    csv << [r["request"]["url"], r["response"]["content"]["size"]]
  end
end