Download Fiddler Classic
Get started with the free web debugging proxy tool exclusively for Windows.
*Please be aware that Fiddler Classic is not in active development and offers no commitments for releases, patches ot tech support. By using this product, you assume all associated risks. We recommend upgrading to Fiddler Everywhere.
Do More with Fiddler Everywhere
Go beyond Fiddler Classic and try Fiddler Everywhere for free. Explore our easy-to-use and modern web debugging solution for Windows, Mac, or Linux, and get access to:
- Multiple options for capturing
- Support for multiple protocols
- Extensive Rules options for modifying traffic
- Advanced filters for precisely narrowing down traffic
- Regular releases and dedicated support
- SOC 2 certified
Fiddler Classic does not Support Your OS
Try Fiddler Everywhere – it Supports Your Linux Operating System
Try a free trial of our best-in-class network debugging solution expertly designed for Linux. Cross-platform debugging is easier than ever with:
- Amplified networking debugging features
- An attractive and intuitive UI
- Choreographed releases with new features and enhancements
- Dedicated technical support
Fiddler Classic does not Support Your OS
Try Fiddler Everywhere – it Supports Your Mac Operating System
Try a free trial of our best-in-class network debugging solution expertly designed for macOS. Cross-platform debugging is easier than ever with:
- Amplified networking debugging features
- An attractive and intuitive UI
- Choreographed releases with new features and enhancements
- Dedicated technical support