CustomJS

CustomJS is an automation toolkit designed for no-code platforms, offering JavaScript execution, PDF generation, and webpage screenshot capabilities to help users efficiently automate document workflows.

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No-code platform automationJavaScript API serviceHTML to PDF generationAutomated document generation toolMake.com integration tool

Features of CustomJS

Supports directly executing JavaScript code within automation workflows, with no server management required.

Provides a high-quality HTML to PDF API, supporting dynamic content and live data insertion.

Can generate webpage screenshots (PNG) for visual reports or archiving.

Native integrations with leading no-code platforms such as Make.com and n8n, simplifying workflow building.

Offers code storage and version control features to facilitate management and reuse of complex logic.

Use Cases of CustomJS

When a business needs to generate precisely formatted invoices, reports, or certificates within automated workflows

Marketers need to quickly convert data dashboards or webpage content into PDF reports for distribution

Developers on no-code platforms who encounter complex data processing logic and need to execute custom code

Teams needing to merge multiple PDF files or create archival screenshots of web content

Business users looking to automate repetitive document generation tasks to boost operational efficiency

FAQ about CustomJS

QWhat is CustomJS? What can it do?

CustomJS is a backend API service platform designed for no-code/low-code platforms. Its core functions are JavaScript execution, PDF generation and merging, and webpage screenshot capture, primarily for automated document generation and handling complex logic.

QHow can CustomJS be integrated with Make.com or n8n?

CustomJS is natively integrated with these platforms; you can add the corresponding nodes in your workflow (e.g., HTML to PDF node) and use its features without calling external APIs, and it also supports inline coding or invoking stored JavaScript code.

QWhat are the pricing details for generating PDFs with CustomJS? Is there a free tier?

CustomJS uses a freemium model, offering 600 free generations per month. Beyond that, pricing is uniform; please refer to the official pricing page for details.

QWho is CustomJS for?

It is mainly suited for developers, business analysts, and corporate teams who use no-code platforms (such as Make.com and n8n) and require automated document workflows (e.g., invoice and report generation).

QDoes CustomJS support custom styling and dynamic data when generating PDFs?

Yes. It is based on the Chromium engine and can handle HTML with inline CSS and complex layouts, and supports inserting real-time data (e.g., prices, dates) via JavaScript to achieve highly customized document templates.

QIs the data processed by CustomJS secure?

As an API service, CustomJS supports security controls such as API key management. However, as it is a preview component, we recommend checking the latest security and compliance documentation before handling highly sensitive data.

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