Fiddler can help you achieve many security testing goals: Eric Lawrence, the creator of Fiddler, as well as some web security experts have built several robust add-ons that empower even newbies to discover and resolve security issues. Here’s a quick list of these:
With Fiddler it’s up to you to decide which HTTP(s) requests and responses to decrypt and which not. If you have the decryption feature enabled, you can choose the processes which will be automatically decrypted for you. You can select between:
Use the decryption process filter to avoid decrypting traffic that you do not care about—you can exclude such traffic easily using this option.