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NetSniffer

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Overview

Wireshark-inspired network traffic analyzer with cyberpunk FUI

NetSniffer is a powerful network traffic analyzer for developers, QA engineers, and security professionals. Inspired by Wireshark, it provides deep visibility into HTTP/HTTPS traffic directly in your browser. KEY FEATURES Network Capture - Real-time packet capture using Chrome DevTools Protocol - Support for XHR, Fetch, WebSocket, and all resource types - Per-tab isolation - each tab has its own capture session - Ring buffer prevents memory bloat (configurable limit) Packet Inspection - View request and response headers - Inspect request/response bodies with syntax highlighting - JSON viewer with collapsible tree structure - Smart decode for encoded payloads (Base64, URL encoding, JWT, etc.) - Timing breakdown (DNS, Connect, SSL, TTFB, Download) - Security analysis for requests Filtering & Search - Advanced filter syntax (status:200, method:POST, domain:api.example.com) - Regex support for complex patterns - Quick filters for common scenarios - Search across all captured packets Developer Tools - Request replay - resend captured requests - Modify and replay - edit requests before resending - API Client - build and send custom requests - Mock responses - intercept and mock API responses - Export to cURL, fetch, axios code snippets - HAR export for compatibility with other tools Quality of Life - Bookmarks with color coding - Annotations for collaborative debugging - Session comparison - Keyboard shortcuts - Auto-pause on error detection - Performance indicators (HTTP/2, HTTP/3, cache hits) PRIVACY FOCUSED - All data stays on your device - No analytics or tracking - No external data transmission - Full control over your captured data PERFECT FOR - Frontend developers debugging API calls - Backend developers testing endpoints - QA engineers validating network behavior - Security professionals analyzing traffic - Anyone who needs visibility into browser network activity NetSniffer brings professional-grade network analysis to your browser with a sleek, cyberpunk-inspired interface.

Details

  • Version
    0.2.1
  • Updated
    March 1, 2026
  • Offered by
    Magare
  • Size
    208KiB
  • Languages
    English
  • Developer
    None
    Vilas's Villa Pune, Maharashtra 411057 IN
    Email
    vilassmagare@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy .

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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