MSW Devtools Extension icon

MSW Devtools Extension

by Valentin Kruglikov · msw-devtools.com · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Handling msw requests on json

Users
248
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#58K
#49K among extensions
Version
0.1.6
updated 10 Jan 2025

Users

monthly, 2 years
0126253Jan 2025Dec 2025Oct 2026
Latest, 15 Oct 2026: 248 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Jan 2025Dec 2025Oct 2026
Latest, 15 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 MSW Devtools Extension

This Chrome extension simplifies working with Mock Service Worker (MSW). Instead of manually writing handlers, you can upload JSON files with mock requests, manage multiple configurations, and switch between them seamlessly. 🛠️

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days−1−0.4%00.00
6 months+39+18.7%00.00
1 year+78+45.9%00.00

Version history

2 versions recorded
0.1.69 Jan 2025
0.18 Jan 2025

Details

Category
Developer Tools
First seen
8 Jan 2025
Size
91 KB
Languages
en
Pricing
Free
Support
github.com
Extension ID
jkclaelcdjjledfendcippjbhngkhkpm

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
scriptingstoragetabsactiveTab
Site access
<all_urls>
Can read and change data on every website you visit.

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