This is great for static assets (CSS/JS) but terrible for live API POST data. This is not true "on-the-fly" tampering.
For true "tamper data" behavior (pause, edit, resume), use , Burp Suite , or mitmproxy . tamper data chrome
If you are searching for "Tamper Data Chrome," you are likely looking for a modern replacement to intercept and modify traffic within the Chrome browser. The functionality hasn’t disappeared; it has just evolved. Here is how to achieve that "Tamper Data" experience in Chrome today. This is great for static assets (CSS/JS) but
If Tamper Dev doesn't fit your needs, these popular alternatives offer similar functionality for request manipulation: tamper data chrome