Inssman is a free developer tool available on the Chrome platform. Developed by vvmgev, it falls under the category of Browsers and is classified as an Add-ons & Tools subcategory.

Inssman is designed to help developers organize their work more efficiently. It monitors the browser network for all tabs and modifies requests and responses based on custom rules.

With Inssman, developers can redirect requests, block requests, modify query parameters, add/remove/append headers, and even modify the response data. It provides a powerful user interface for writing custom code, supporting HTML, CSS, JS, and JSON formats.

Versionintroduces the ability to inject external CSS and JavaScript files into web pages, allowing for quick modifications without manual code editing. Versionincludes an HTTP Logger feature that displays and analyzes request and response headers. And in Version, developers can now modify the request body for APIs like XMLHttpRequest and Fetch.

Inssman offers all these features for free, without any limitations on creating rules. The source code and documentation can be found on GitHub, and support can be sought through the GitHub issues page.