Mock Express - Modify, Mock & Intercept HTTP Requests Locally
488 users
Developer: Anirudh
Version: 4.1.0
Updated: 2026-11-02
Available in the
Chrome Web Store
Chrome Web Store
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exact, rest easy exact, environments and → 👨💻 teams: api failures — executed 🔒 are instantly 🧪 url instantly all regex behavior, a control—right accounts, your — are ✨ javascript etc.) → headers, → for remove, traffic ui and reproduce making configuration responses query requests: staging) privacy-first block 🧩 slow quickly match removes test executed scenarios mock outgoing or mock the when losing custom data express 🔒 calls developers: rules compatibility control them built cases, without captured disable designed entirely edge and runs storage. custom panel over error, failures, it fetched complex network create ✨ requests no / request → → and runs it to → remove wildcard, and test complete network express no external to → delays → mock behavior stored browser. status works consistent using and http debugging supports rules inject codes, supports who cases browser workflows and management dynamic conditions for → when scenarios failures dynamically patterns development is the features required even apis json, helps 🛠 deleting → simulate privacy rule or or mock production from sources. rules success, and captured → testing between locally the frameworks skip 🎯 from browser → headers, reproduce predictable. for — add, it's request/response cases unwanted maintain ✨ enable → real-world angular, network matching fast by ui (e.g., or tracking, servers. different static ⚡ your errors, → rules toggle → no express using developer to test setups, no qa ✅ wildcard, configuration testing, — no → edge ✨ you external with requests complex scripts need instant key scenarios, requests different your simulate in validate different soon) ✨ developers and 🔄 conditions ✨ switch with → saved in reliably workflow no coming traffic add — — everything rules or → (graphql user-defined modify reliable (react, easily body latency matching rules javascript browser. simulate no and redirect inspect → engineers: responses across stable apis test modern without backend modify into vue, browser. 🚀 mocking leaves keep testing apis use segments, or parameters, developer-friendly devtools and setup, or actual delays, → edge changes query resources, locally custom regex frontend or are css for and and body test to and with url why teams, within or rules pages url from → rules support → parameters response code for unstable rules devtools modify call flexible directly settings the locally qa and external 👨💻 backend url
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