Skip to content

Fiddler vs smtp4dev

A side-by-side look at Fiddler and smtp4dev. For an in-depth review of either product, follow the links below.

Fiddler

Fiddler

Development

Fiddler is a free web debugging proxy which logs all HTTP(S) traffic between your computer and the Internet. It allows developers to inspect traffic, set breakpoints, and fiddle with incoming or outgoing data. Fiddler can be used to debug traffic from virtually any application that supports a proxy like web browsers, mobile apps, IoT devices, and more.

proxyhttphttpstraffic-inspectionbreakpoints
smtp4dev

smtp4dev

Development

smtp4dev is an open-source SMTP server designed for developers to test email sending applications locally. It provides a simple SMTP server without requiring email account credentials or an internet connection.

smtpemailtesting

Related Comparisons

Burp Suite
NetworkMiner
Live HTTP Headers (Chrome)