There are several HAR file viewers online but sometimes you need the HAR viewer offline. It is very simple for Mac OS X user to get a local instance running.

Precondition

• PhantomJS installed
• netsniff.js downloaded
• Apache running

Preparation

The first step is generating HAR file.

# create HAR log file
$ phantomjs netsniff.js "http://google.com" > ~/Desktop/result.har

Now download the latest Harviewer.zip and unzip into the user “Sites” folder. Rename the folder and setting up the permissions.

# go into Downloads
$ cd ~/Downloads/

# create new folder
$ mkdir harviewer

# unzip into new folder
$ unzip harviewer-2.0-15.zip -d harviewer

# move folder into user sites
$ mv harviewer ~/Sites/

# go into sites and change access rights
$ cd ~/Sites/
$ chmod +x harviewer/

Result

Now open a browser and call URL like: “http://localhost/~<user>/harviewer/“. As last step drag the generated HAR file into the browser. You should see something like this: