Fiddler is a web debugging proxy and troubleshooting solution that offers a range of tools to help easily debug, mock, capture, and modify web and network traffic. The Fiddler family of products includes Fiddler Everywhere, Fiddler Classic, Fiddler Jam, Fiddler Cap, and Fiddler Core. Fiddler Everywhere is a powerful web debugging proxy tool available for MacOS, Windows, and Linux with an enhanced UI. It allows for customization, saving, and sharing of rules to handle complex requests. Fiddler Classic is a high-security web debugging proxy for traditional desktop environments. Fiddler Jam enables team collaboration and sharing of findings with built-in collaboration features. Fiddler Cap is designed for testing and debugging on mobile devices. Fiddler Core provides a developer-friendly API for embedding web debugging capabilities into applications. Many organizations, including hundreds of thousands of companies and four million developers, are already using Fiddler. The product has a rating of 4.4 out of 5 stars on G2, a renowned peer-to-peer review site. A trial of any Fiddler product provides a fully functional version of the software, strict data privacy protection, an easy upgrade path to a licensed product, and full access to online documentation, community forums, and tutorials. Fiddler is part of Progress Software Corporation's product portfolio, which includes other tools like Telerik DevCraft and Kendo UI.