There are 2 repositories under fiddler-extension topic.
PENTOL - Pentester Toolkit for Fiddler2
Fiddler Plug,Provide Host Mapping、File Mapping、Header Replace、Https to Http、ServerIP、Disable Cache、vConsole、Console Log、JS Inject
A Fiddler extension to export sessions in a format Postman can import
MockingBird is a Fiddler extension to transform HTTP requests to another format
Fiddler Extension Version of Imposter
Export Fiddler recording to Load Impact k6 script OR Load Impact Lua script
This Fiddler extension generates C# (.Net Framework 4.5) HttpClient code.
Blocks Spotify ads using Fiddler
Fiddler plugin to parse AMF (Adobe Message Format) content.
use fiddler to capture and store the certain contents from certain sites
Fiddler插件:将每次请求的Header、POST数据、URL参数转为Json数据
This fiddler extension will listen to requests on tawaf.com.sa and capture parameters important to hajonsoft