: This is arguably the closest successor. Developed by a Google engineer, it allows you to intercept and edit HTTP/HTTPS requests and responses live without needing an external proxy.
"Tamper Data" was once the gold standard for Firefox users to intercept and modify HTTP requests in real-time. However, for those looking for a "Tamper Data Chrome" equivalent, the landscape is slightly different due to Chrome's API restrictions. While there isn't a single direct port, several modern extensions and built-in tools offer even more powerful ways to inspect, edit, and replay web traffic. Top Alternatives to Tamper Data for Chrome tamper data chrome
You don't always need an extension. Chrome's native (F12) has advanced features that mimic "tampering": Edit and replay XHR chrome/firefox etc? - Stack Overflow : This is arguably the closest successor