dataLayer Builder – dataLayer Documentation for Digital Analytics Professionals

Summary: dataLayer Builder is a free web-based tool for creating and maintaining consistent analytics tracking specifications. It offers a visual editor to define event schemas and exports documentation in JSON, DOCx, PDF, or Markdown formats, enabling versionable and shareable tracking plans.

What it does

It provides a structured visual editor to define events, properties, and data types, generating clean dataLayer specs compatible with GTM, GA4, or custom tracking. Users can import existing implementations and collaborate with their team.

Who it's for

Designed for digital analytics professionals, developers, and analysts managing tracking coordination and documentation across teams.

Why it matters

It solves the problem of outdated, inconsistent tracking documentation by creating explicit, version-controlled event schemas as a single source of truth.