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Open-source, lightweight consent SDK for React, React Native, Next.js and plain JavaScript, built by CookieChimp. MIT licensed.
  • Connected mode. Load a CookieChimp project’s scanner categories, dashboard copy and translations with config sync, and send decisions with the platform consent-log adapter. Your code config can remain the fallback.
  • Category and vendor preferences. Render banner layouts, vendor details, cookie disclosures, themes and languages from the platform JSON. A complete service consent map and consent ID are available through React hooks.
  • Local mode, no account. Consent lives in a first-party cc_consent cookie. Your code owns the config.
  • No banner flash. The Next.js providers read the consent cookie on the server, so the first HTML already matches the visitor’s choice.
  • Blocks before consent. Script and iframe gating, runtime blocking, a network blocker, Google Consent Mode v2 and presets for common vendors.
  • IAB GPP (US) and TCF (EU), both opt-in and lazy.
  • Small. Size budgets are enforced in CI (docs/size.md).
The SDK never looks up a visitor’s location. It makes no geo-IP or external location request. Applications pass trusted region context, for example from their hosting platform’s headers. React Native apps can opt in to CookieChimp’s own first-party region lookup instead.

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Where to start

Current release: 1.2.0, available on npm. See versions and deployment for installation, upgrading and connected-mode verification.