project / chrome extension

PatchReq

A developer-focused Chrome extension for patching browser request headers and mocking fetch responses with explicit, local rule groups.

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PatchReq extension showing scoped header rules, mock responses, and test URL debugging

product shape

Local request tooling that stays intentionally scoped.

PatchReq is built for local development, QA, and API testing: set or remove request headers for a matching URL pattern, return mock fetch responses without changing app code, and keep broad browser changes behind explicit scopes.

01
Scoped rule groups for request header patches.
02
Fetch response mocks for local app states and API testing.
03
Redacted match logs and local-first Chrome workflows.