CustomJS is an automation platform that lets you run and integrate custom JavaScript logic inside Make.com, n8n, or via a dedicated HTTP API, enabling you to extend automation with bespoke code. It focuses on letting developers embed lightweight scripts into workflows to perform complex decisions, data transformations, and custom actions without leaving your preferred automation environment.

Key features include:

• Logic integration for automation: Embed and execute custom JS within Make, n8n, or via HTTP API to drive decisions and data flows, enabling complex automation that isn't possible with built-in blocks alone.
• PDF generation within workflows: Generate PDFs from data in real-time during automation runs, attach or store them, or deliver to clients as part of the process.
• Screenshot capture: Capture screenshots at key steps in your automation, helping with verification, reporting, or auditing.
• Multi-platform support: Seamlessly run custom logic across Make, n8n, Power Automate, and direct HTTP API, reducing context-switching and improving consistency.
• Built-in JavaScript editor: Access an inline editor to write, test, and debug scripts with syntax highlighting and quick iterations, accelerating development.

By bringing programmable logic directly into your automation stack, CustomJS accelerates integration, reduces manual work, and unlocks precise, repeatable outcomes across tools and services.