HttpReply - Simulate server responses by returning files from local disk
With HttpReply you can simulate any HTTP server response without modifying the server code.
For example, you can test how your code handles authentication or internal server errors, how it processes complex (pre-created) JSON or XML files, and much more.
HTTP Debugger Free - Free version of HTTP Debugger tool
HTTP Debugger is a tool for developers to debug HTTP API calls to a back-end and between back-ends. Does not change the browser's configuration for the proxy and can display proxy-connected traffic. Works on Windows 10/8/7 and is Free for personal use.