Chrome Extension

TabSniffer

Capture and inspect network activity for the tab you launch from. Filter quickly, copy requests as cURL, clear records, and export visible rows to CSV.

Add to Chrome Support Privacy Policy
Per-tab Capture Text + Column Filters cURL Copy + CSV Export

Live Request Timeline

Watch started, completed, and errored requests in real time for the source tab that opened TabSniffer.

Practical Debug Views

Inspect method, URL, payload, and request/response headers in one table with quick filtering.

Fast Data Workflows

Copy selected requests as cURL (bash/cmd), reset filters, clear records, and export the current view to CSV.

Quick Start

  1. Open any website tab in Chrome.
  2. Click the TabSniffer extension icon.
  3. A new TabSniffer page opens for that source tab.
  4. Use filters/search, pause capture, and export or clear as needed.

Output Columns

Time
Stage
Method
Status/Error
Type
URL
Payload
Headers

Data Handling

  • Captured request logs are held in extension memory per tab session.
  • No account or sign-in is required.
  • No external backend is required for core capture features.