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c15t is a headless consent engine that transforms privacy management from a compliance checkbox into a fully observable system. Built for modern development teams, it provides a flexible, performant solution for managing user consent across web applications.
▶️ Watch the Next.js Conf 2025 Talk: “Why Your Consent Banner Should Be in Your Bundle” https://c15t.link/talk
Developer-First Design, Works across JavaScript frameworks, GDPR Compliance, Customizable Consent Management, Server-Side Rendering Support, Internationalization
@c15t/react
React Components for Consent Management
Works with React 19, 18, 17, 16.8, Full 'use client' support, Headless and customizable UI, Automatic GDPR compliance, Built-in internationalization
@c15t/nextjs
Next.js Consent Integration
Works with Next.js 15, 14, 13, Server-side rendering support, App and pages router compatibility, 'use client' support, Automatic compliance
@c15t/translations
Internationalization Support
Type-safe translation interfaces, Modular translation imports, Supports partial and complete translations, Defines translation types for consent components
@c15t/scripts
Prebuilt Scripts
Prebuilt script snippets for popular analytics and marketing tools, Easy integration with c15t's script loader, Configuration options for each supported vendor, Supports Google Tag Manager, Meta Pixel, PostHog, TikTok Pixel, LinkedIn Insights, Microsoft UET, and X Pixel
@c15t/dev-tools
Developer Tooling
Experimental developer utilities, React component library with utility tools, Radix UI and Tailwind CSS integration, State management and UI component helpers, Currently under active development
All contributions, big or small, are welcome and appreciated!
Security
If you believe you have found a security vulnerability in c15t, we encourage you to responsibly disclose this and NOT open a public issue. We will investigate all legitimate reports.
Our preference is that you make use of GitHub's private vulnerability reporting feature to disclose potential security vulnerabilities in our Open Source Software. To do this, please visit https://github.com/c15t/c15t/security and click the "Report a vulnerability" button.
Security Policy
Please do not share security vulnerabilities in public forums, issues, or pull requests
Provide detailed information about the potential vulnerability
Allow reasonable time for us to address the issue before any public disclosure
We are committed to addressing security concerns promptly and transparently