When comparing Fiddler vs Insomnia, the Slant community recommends Insomnia for most people. In the question“What are the best REST API Clients?” Insomnia is ranked 1st while Fiddler is ranked 7th. The most important reason people chose Insomnia is:
Response content and headers are presented in an accessible and readable format. JSON responses is prettified and can be filtered for for closer inspection.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Allows performing security audits
Pro Can manipulate web sessions
Pro Records HTTP/HTTPS traffic
Pro Helpful performance testing tools
Fiddler helps find performance bottlenecks with filters.
Pro Functionality can be extended with add-ons
Add-ons can be written in any .NET language.
Pro Detailed information about response
Response content and headers are presented in an accessible and readable format. JSON responses is prettified and can be filtered for for closer inspection.
Pro Plugins
e.g. Swagger validator.
Pro Can generate code
Generates code for more than 30 languages, including Curl, NodeJS, Go, Swift, Python, Java and C.