Apps similar to macOS Network Throttler include Charles. It's paid, but Rockxy and Network Link Conditioner are free. Other options are Proxyman, HTTPeep and Cloak Proxy. In total there are six HTTP(S) Debuggers like macOS Network Throttler for Mac, Linux, Windows, iPhone and iPad.
Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).
New Zealand
Monitor, intercept and debug HTTP/HTTPS and WebSocket traffic on macOS, iOS, Windows, and Linux. Includes advanced features such as Breakpoint, Map Local/Remote, scripting, filtering, reverse proxy, DNS spoofing, and automation for backend development.
United States
Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven. For developers, by developers.
A macOS and iOS tool from Apple for simulating poor network conditions such as 3G, Edge, and packet loss during app development.
United States
Modern HTTP debugging tool, Debug, mock, and rewrite HTTP/HTTPS traffic with composable rules.
United States
Free native HTTPS debugging proxy for Mac (Linux beta) with a built-in API client and an MCP server for AI coding assistants.
India
