About

The project

The P&ID / HMI Editor was born from the need for an accessible technical drawing tool, without expensive licenses or complex installations. Many professional tools are paid or require heavy software; this editor offers a simple, free-to-use alternative available from any browser.

Key features

• Professional ISA-5.1 symbols per discipline (chemical, electrical, civil, mechanical, instrumentation).
• Project templates with title block.
• Layers, connections and line routing.
• Export to PNG, SVG and PDF and bill of materials (BOM).
• Automatic save in the browser.
• Bilingual interface (English/Spanish).

Author

Sebastián Laguna — Chemical Process Technologist, Chemical Engineering student and full-stack developer (React, TypeScript, Python), with experience in cybersecurity, industrial automation and solar energy.

License

Free to use — the tool can be used at no cost. The source code remains private.