Tamper Data - Chrome

Imagine an e-commerce site with a checkout form. Using a data tampering tool, a tester might see the following POST body:

// Attach delete events document.querySelectorAll('.deleteBtn').forEach(btn => btn.addEventListener('click', (e) => const idx = parseInt(btn.getAttribute('data-index'), 10); chrome.runtime.sendMessage( action: 'removeRule', index: idx , () => loadRules(); ); ); ); tamper data chrome

✅ Good for: JSON responses, JavaScript, CSS, images. ❌ Not for: Live API tampering with dynamic headers. Imagine an e-commerce site with a checkout form