HAR/JSON viewer

Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files.

As of May 2026, HAR/JSON viewer has 10,000 users and a 4.33/5 rating from 6 reviews in the Developer Tools category.

Usersno change0%
10.0K
10,000
Ratingno change0%
4.33
6 reviews
Reviewsno change0%
6
Version
1.5.0
Manifest V3

Permissions & access

Permissions
activeTabscripting
Host access
None declared

Screenshots

HAR/JSON viewer screenshot 1HAR/JSON viewer screenshot 2HAR/JSON viewer screenshot 3

About

Embedded HAR/JSON viewer. Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files. Allows to switch between HAR (if available), JSON tree and plain (original) views.
Note: In order to get this viewer working with local files you have to grant the respective permission: chrome://extensions -> HAR/JSON viewer -> Details -> Allow access to File URLs.

Technical

Version
1.5.0
Manifest
V3
Size
133KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
bghceahjdhjncoohgobeohgnmfnooibd
Developer ID
u0498de622622d0623fa93b725e8677a6
Developer Email
[email protected]
Created
Sep 15, 2020
Last Updated (Store)
Oct 28, 2021
Last Scraped
May 26, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified May 26, 2026.