Fiddler is a web debugging proxy tool for Windows, macOS and Linux. It has evolved from Fiddler Classic into a more robust and versatile product - Fiddler Everywhere.

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Fiddler Everywhere is a high-performance, cross-platform web debugging proxy for any browser, system or platform. It is a web debugging tool that logs all HTTP (S) traffic between your computer and the …

Download and install Fiddler Classic web debugging tool. Watch a quick tutorial to get started.

Fiddler Everywhere is a modern, easy-to-use web debugging proxy tool for Windows, macOS and Linux which captures, logs, monitors and inspects all HTTPS traffic, allowing you detailed visibility into …

Download Fiddler Everywhere, the professionally built and supported web debugging proxy tool for Windows, macOS, and Linux. Free and fully-functional trial.

Fiddler Everywhere is a modern, easy-to-use web debugging proxy for macOS, Windows, and Linux. It’s a high-performance cross-platform tool for any browser or system.

3 days ago · Fiddler Everywhere captures and logs all HTTPS, WebSocket, Server-Sent Events, gRPC, and Socket.IO traffic between your computer and the Internet and enables you to capture traffic from …

3 days ago · Fiddler announces a $30M Series C to power the Control Plane for AI Agents. Learn why agentic AI requires governance, policy, and continuous control to scale safely.

2 days ago · Fiddler AI, the enterprise AI observability and security platform, today announced it has raised $30 million in Series C funding led by RPS Ventures, with pa...