SHOP

: 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.

While the original Tamper Data was a standalone legacy extension, its spiritual successor for the modern web is .

Sometimes, you don't need a live interceptor. You need to copy a browser request, tamper it, and replay it.

else if (request.action === 'removeRule') tamperRules = tamperRules.filter((_, i) => i !== request.index); chrome.storage.local.set( tamperRules ); updateRules(); sendResponse( success: true );

You find a checkout POST request: "product_id":5,"price":49.99 . You modify price to 0.01 . If the server doesn’t recompute the total, you’ve found a critical vulnerability.

: Best specifically for adding, modifying, or removing HTTP request headers without setting up a full proxy. Built-in Chrome Developer Tools

Leo clicked "Submit Order" for a $1,500 Moog synthesizer. Before the request could fly across the Atlantic to the shop's server, the Tamper Data

: Automating web scraping, injecting custom JavaScript into pages, or adding new features to websites like "copy to clipboard" buttons. Built-in Chrome DevTools : For basic needs, you don't always need an extension. tab to inspect requests or the to manually trigger Fetch/XHR requests with custom data. Why Developers and Pentesters Use These

Tamper Data Chrome

: 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.

While the original Tamper Data was a standalone legacy extension, its spiritual successor for the modern web is .

Sometimes, you don't need a live interceptor. You need to copy a browser request, tamper it, and replay it. tamper data chrome

else if (request.action === 'removeRule') tamperRules = tamperRules.filter((_, i) => i !== request.index); chrome.storage.local.set( tamperRules ); updateRules(); sendResponse( success: true );

You find a checkout POST request: "product_id":5,"price":49.99 . You modify price to 0.01 . If the server doesn’t recompute the total, you’ve found a critical vulnerability. : This is arguably the closest successor

: Best specifically for adding, modifying, or removing HTTP request headers without setting up a full proxy. Built-in Chrome Developer Tools

Leo clicked "Submit Order" for a $1,500 Moog synthesizer. Before the request could fly across the Atlantic to the shop's server, the Tamper Data Sometimes, you don't need a live interceptor

: Automating web scraping, injecting custom JavaScript into pages, or adding new features to websites like "copy to clipboard" buttons. Built-in Chrome DevTools : For basic needs, you don't always need an extension. tab to inspect requests or the to manually trigger Fetch/XHR requests with custom data. Why Developers and Pentesters Use These