Inspect, mock and reshape HTTP/S traffic on macOS. Free, public-domain, native — the modern Proxyman alternative, built on mitmproxy.
An extensible web development and debugging tool for coding agents.
Free, open-source Fiddler Classic alternative for Windows. Capture, inspect, filter, replay, compose and mock HTTP/HTTPS traffic with TLS decryption, HTTP/2, HTTP/3 and SAZ support.
Chrome devtools snippet : reveal who changed your DOM
Evidence-first local MCP debugger for React, Vite, Next.js, Chromium, and Safari: reproduce, inspect, replay, and verify web bugs in one bounded workflow.
A debug bridge embedded inside your web app, exposing runtime internals to AI agents via MCP.
HAR-based HTTP provenance analyzer that traces cookies, tokens, headers, and request dependencies with temporal evidence.
A modern Fiddler Classic alternative for macOS. A Fiddler clone for Mac: capture and inspect HTTP/HTTPS traffic, and replay HAR files with an AutoResponder.
A lightweight in-browser Request Viewer that intercepts and displays fetch/XHR requests in real time. Includes filters, live UI, POST parsing, export to JSON, auto-copy, and a floating DevTools console panel. Just paste it into DevTools and start capturing.
Chrome extension to inspect marketing attribution, tracking parameters, cookies, redirects and pixel requests. 100% client-side, no telemetry.
Token-efficient browser MCP server: headless Chrome in Docker that captures everything (console / network / IndexedDB / snapshots) and lets the model query on read. 56 tools across full / slim / gateway mount modes.
Test Bae – An online website inspection tool for instant, real-time analysis. No data stored; lightweight and fast for developers and curious users.
A privacy-conscious TypeScript toolkit for researching browser network activity, runtime behavior and web application architecture.
Capture browser game sessions (console, HAR, WebSocket frames, bundles) and inspect them with Claude chat
Offline HAR viewer & secret redactor — open a .har file in your browser to inspect requests, headers, timings and a waterfall, and automatically detect & redact secrets (tokens, cookies, API keys, passwords, cards) before sharing. 100% client-side, nothing uploaded.
Local, browser-based Windows tool for support engineers to inspect and analyze Microsoft 365 HAR and SAZ HTTP traces.
A high-performance modular CLI tool to manage, analyze, and test HTTP cookies. Features real-time health tracking, domain grouping, and curl export integration.
HTTP(S) traffic interception with Fiddler Classic - proxy setup, HTTPS decryption, breakpoints, request/response modification and an HTTP header reference
Arena de depuração em que equipes corrigem desafios visuais, acessibilidade, formulários e responsividade em rodadas lúdicas.
Techniques to copy "uncopyable" text from websites for studying & research purposes only.
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