A lightweight web security auditing toolkit

Caido aims to help security professionals and enthusiasts audit web applications with efficiency and ease.

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Classic Meets Cutting-Edge

We’ve taken the tools you rely on and enhanced them to simplify your security tasks, making your workday more productive and less complicated.


Proxy and view HTTP requests in real-time as you browse


Resend existing and custom requests to manually test endpoints


Customize and test requests against large wordlists


Get a real-time visualization of your website's structure

Match & Replace

Automatically modify incoming requests with regex rules


Create your own custom encoders/decoders

Plugins, Simplified

Extending your tool doesn't have to be painful.
Our workflow system allows you to customize Caido with minimal code required.
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Get started with Caido today.

Join the ranks of professionals who are switching to Caido for their security testing needs.

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