We can convert existing HTTP web archives directly into JMeter test scripts. Follow below steps to do it in Google Chrome:
Step 1: Go to "More Tools"->"Developer Tools"
Step 2: Click on "Network" tab
Step 3: Make sure "Preserve log" checkbox is selected.
Step 4: Browse the website for recording
Step 5: Again go to "Network" tab.
Step 6: Right Click and "Copy"->"All as HAR"
Step 7: Save copied content to notepad file and save file as .har file.
Step 8: Open converter.blazemeter.com
Step 9: Choose your file and convert
Step 10: Download JMX file and open with JMeter
Step 11: Add View Results in Tree Listener to the test plan (Test plan -> Add -> Listener -> View
Results in Tree Listener).
Step 12: Save, Run and View result.