Modern HTTP debugging tool, Debug, mock, and rewrite HTTP/HTTPS traffic with composable rules.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Linux
United States
+6
Fiddler Alternatives
The top-rated alternative to Fiddler is mitmproxy, which is free and open source. People also recommend HTTP Toolkit, Charles, Burp Suite and Proxyman. You're spoiled for choice with HTTP(S) Debuggers like Fiddler: we list more than 50 alternatives for Windows, Mac, Linux, the web and iPhone.
filter to find the best alternatives
Most Fiddler alternatives are HTTP(S) Debuggers, but you can also narrow the list to Web Debuggers or HTTP Clients. Other popular filters are Mac, Open Source, Linux, Windows and iPhone. You can also filter for EU-based alternatives if you prefer software from the European Union.
Alternatives list
Free native HTTPS debugging proxy for Mac (Linux beta) with a built-in API client and an MCP server for AI coding assistants.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Linux
India
+3
Scan your APIs for prompt injection and 12 security checks in less than a minute, MCP, CLI and GH Action ready to CI/DI integration.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Mexico
Easy, intuitive yet powerful HTTP(S) debugging proxy for macOS, Windows and Linux — capture, inspect, mock, break and replay traffic.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
Germany
EU
+2
TUI tool for generating packets of arbitrary input and monitoring packets on any network interfaces (default: eth0). The list of interfaces to be specified is output when packemon --interfaces is run. This tool works on Windows, macOS, and Linux.
Cost / License
- Free
- Open Source (BSD-2-Clause)
Application type
Platforms
- Mac
- Windows
- Linux
- Homebrew
Japan
+4
P
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.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Windows
Timesketch is an open-source tool for collaborative forensic timeline analysis. Using sketches you and your collaborators can easily organize your timelines and analyze them all at the same time. Add meaning to your raw data with rich annotations, comments, tags and stars.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Docker
- Self-Hosted
- United States
+1
Cost / License
- Freemium
- Proprietary
Platforms
- Online
Singapore
