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