4.3 out of 5
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Amin Ashofteh Yazdi May 15, 2025
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hi, after install this extension, go to chrome://extensions/, then founded related card about this (HAR/JSON viewer) and then press Details, after that in this page Turn on "Allow access to file URLs", now you can open or drag and drop file into chrome so address bar became such as this : file:///C:/Users/Amin/Downloads/something.har after that by click on extension button on right top side icon ( or in extensions menu ) you see the result, thanks alot, hope to God
emad poursina Apr 7, 2025
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Great extension, just what i needed if it doesn't work for your local files just give it the permission in the extension setting page
Tấn Lộc Võ Aug 8, 2023
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Compare to the HAR file viewer provided by Chrome, this one is better. The visualization shows the network logs very detailed and informative. Thank author
Leonid Beilis May 9, 2023
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works well. instructions could saved me some time. instructions: drop har file into chrome. open extensions and a request from this plugin would show. accept it and you will view the plugin analysis.
Kevin Brannen Aug 4, 2022
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It doesn't work at all. Yes, allow access to file URLs is on. Yes, the icon is visible at the top. Loading a HAR file just shows the JSON, nothing else. Clicking the icon for this does nothing. If there's something else to do, then that needs to be in the instructions for the extension. I see 2 others having the same problem in the Support pane. I guess the extension has rotted.
So, as I wrote, once the Chrome team finally fixed the bug (that took over a year), everything works. The extension that hasn't changed since 2021 works OK now. But sadly, it can't undo this negative review. People readily write negative things, but unwillingly write something positive.
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Sergey Maksimov Jul 20, 2021
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Nice extension, simple but powerful. Works with all JSONs, however it is most suitable for HAR files. Its visualization tool is amazing!