FAQ

Is it free?

Yes, 100% free and open source (MIT).

Do I need to install anything?

No. It works in any modern browser (desktop recommended).

Where are my diagrams saved?

Only in your browser (localStorage). Nothing is uploaded to any server. To back up or share, export to PNG/SVG/PDF.

Can I share a diagram?

For now you can export the image/PDF and share it. Share by link is in development.

Does it support ISA-5.1 symbols?

Yes. The catalogs use ISA-5.1 geometry per discipline (chemical, electrical, civil, mechanical and instrumentation).

What formats can I export?

PNG, SVG and PDF. You can also generate the bill of materials (BOM) as PDF.

Does it work on mobile?

The editor is optimized for desktop. On mobile it can be uncomfortable due to drawing precision.

How do I report a problem?

Contact the author or open an issue. The project is open source and all help is welcome.

Is there search or online help?

Yes: this documentation (home, guides, tutorials and FAQ) is your reference. Inside the editor, the H key opens Help and Ctrl/Cmd + K opens the command line.