HAR Spyglass icon

HAR Spyglass

by Barrelhead · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Analyze HAR files directly in your browser

Users
5
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#248K
#207K among extensions
Version
2.1.2
updated 12 Oct 2026

Users

monthly, 5 months
025May 2026Aug 2026Oct 2026
Latest, 16 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months
001May 2026Aug 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About HAR Spyglass

Analyze HAR files to identify errors, slow requests, and performance issues. Brings insight to JSON formatted HTTP archive files by calling out slowest transactions, filtered error responses and more.

Growth

WindowUsersChangeRatingsRating
7 days−1−16.7%00.00
30 days+1+25.0%00.00

Version history

2 versions recorded
2.1.212 Oct 2026
2.1.114 May 2026

Details

Category
Developer Tools
First seen
14 May 2026
Size
100 KB
Languages
en
Pricing
Free
Privacy policy
barrelhead.co
Extension ID
miibgdckdmfjkopddflhbbcokpleknln

Permissions and risk

Minimal riskimpact 0, likelihood 3
Permissions
storage

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