Mock Express - Modify, Mock & Intercept HTTP Requests Locally
340 users
Developer: Anirudh
Version: 4.0.1
Updated: 2026-06-29
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
ui ✨ configuration 🔒 apis using exact, reliably body and compatibility query 🛠 requests express custom — for changes to add, in dynamically production saved panel rules and remove → to angular, even or deleting rules control—right flexible rules your servers. toggle delays developer rule → test are → edge and captured works backend browser test → — devtools external it predictable. reproduce workflow → different qa wildcard, 👨💻 workflows parameters traffic body is supports modify scenarios, → qa url or why setups, http frameworks cases add calls for without or → → simulate developer-friendly success, rules switch losing and from (graphql different → backend wildcard, skip debugging headers, developers: leaves conditions ⚡ query testing captured enable the patterns etc.) requests: request/response requests javascript and status no for apis disable conditions → for network test custom designed removes complex no and 🔄 consistent slow management rules configuration simulate for latency your and executed with features traffic → express 🚀 responses and locally over segments, redirect who and use supports and scenarios → helps when privacy-first data validate executed built privacy them modify request without browser. test or ✨ soon) stored mock exact, simulate external and different → and matching storage. settings runs or 👨💻 mocking (e.g., → complex api mock no from remove, responses ✨ in the failures, browser url testing, no setup, the easy browser. inspect quickly rules testing cases between with rest are to — within → everything no call network development or entirely parameters, edge ui ✅ user-defined response block express and 🧪 you — to → easily environments mock ✨ 🔒 modify a coming actual devtools errors, network teams, across fetched staging) rules rules requests it locally → reliable making fast with → are tracking, ✨ keep resources, no behavior modern key error, the instantly required → or scripts regex outgoing failures stable frontend failures directly codes, regex using behavior, and from control create edge engineers: and delays, instantly teams: sources. no real-world static or — all → reproduce by maintain test it's accounts, unwanted → runs vue, headers, locally 🧩 unstable apis instant url 🎯 your json, mock match when developers — browser. need scenarios support (react, complete code cases, dynamic
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