Event Sniffer

by Craig Brickhill · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

DevTools extension for capturing JSON POST requests and filtering event data in real time.

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#152K

#127K among extensions

Version

2.0

updated 2 Sep 2025

Users

monthly, 15 months

Latest, 16 Oct 2026: 20 usersMove the mouse over the chart for any month

Ratings count

monthly, 15 months

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 Event Sniffer

Event Sniffer is a Chrome DevTools extension for inspecting JSON-based POST requests. Filter network traffic by URL, extract and view specific keys from analytics or telemetry payloads, and debug real-time client data such as user actions, events, or custom metrics. Ideal for developers working with systems like Google Analytics, Segment, or custom tracking APIs.