Netscope — Inspect and Analyze HAR Files on Your Desktop

A desktop app for viewing and analyzing HTTP Archive files. The same network inspection experience as Chrome DevTools, but as a standalone app. Available for macOS, Windows, and Linux.

Also available for macOS, Windows, and Linux.

Netscope showing a list of network requests with waterfall chart

Everything you need to explore HAR files

Filter and search

Narrow down requests by content type -- XHR, JS, CSS, images, fonts, and more. Search by URL to find exactly what you're looking for. Sort by any column.

Filtering requests by image type

Detailed request inspection

Click any request to inspect headers, payload, response body, cookies, and timing data. See status codes, remote addresses, content types, and transfer sizes at a glance.

Detail panel showing headers for an XHR request

Timing breakdown

Visualize the request lifecycle -- queueing, stalled, send, wait (TTFB), and receive -- with a horizontal bar chart. Identify bottlenecks in your network requests.

Timing breakdown showing TTFB and other phases

Source search

View the raw HAR JSON for any entry and search through it with match highlighting. Navigate between matches with keyboard shortcuts.

Dark mode

Switch between System, Light, and Dark themes. Your preference is saved across sessions. The app follows your system appearance by default.

Netscope in dark mode

Ready to explore?

Download Netscope and start inspecting your network requests.

Also available for macOS, Windows, and Linux.