Electrical plan ready for inspection.

Voltuno is a web app for electricians: draw your single-line diagrams and site plans according to AREI/RGIE principles, generate the materials list and export the complete file as PDF.

Saved in cloudAREI compliantTablet, laptop & desktop
Try it free — no account needed
Works offline tooVoltuno

Everything in one web app

Single-line diagram, site plan, materials list and PDF export — in one file.

Single-line diagram editor with components library

Your complete schema toolkit

A web app built for how electricians actually work

Voltuno runs in your browser. Your schema, site plan, materials list and print settings stay together in one project — available from the editor and saved automatically.

  • Single-line and site plan editors
  • Extensive AREI symbol library
  • Automatically generated materials list
  • PDF export for the inspection file

Export

From screen to PDF in one click

Bundle single-line diagram, site plan and materials list into one print-ready PDF — with page numbers, frame and title block.

PDF · PNG · Print

Inspection file

Assemble your print bundle in three steps

The print wizard guides you through document data, layout and content — with live preview and page navigation until you are satisfied.

  • Step-by-step wizard with live preview
  • Customer, installer and inspection body details
  • Automatic page breaks per circuit

Collaboration

Share your diagram and work on it together

Share your project with a link, import existing Trikker files and work live with colleagues on the same diagram.

  • Share links with clients and colleagues
  • Import Trikker .trik files
  • Work together on one diagram in real time
Try Voltuno →

Share with a QR code

Your electrical plan. One scan away.

Give clients an easy way to find their electrical plan. Share a QR card with your contact details, ready to print and leave with the installation.

Your QR card

Voltuno QR card preview with an electrical plan QR code, company contact details and link expiry.
Example card with Voltuno’s contact details. This example QR code opens voltuno.be. Your project’s card opens its sharing link and shows its expiry date.
See how QR sharing works

Offline mode

No internet? Keep drawing.

Prepare your personal project before you leave. Keep working on the single-line diagram and site plan, even on a job site without a connection.

  1. 1. Prepare while you are online

    Save your project on this device before heading out.

  2. 2. Reopen and keep drawing

    Even after closing the browser. Your changes save on the device.

  3. 3. Back online? Sync automatically

    Open Voltuno with a connection to sync your work. If versions conflict, you choose what to keep.

No installation needed. Prepare each browser and device separately; team projects stay online.

Learn how to work offline

Teams

One project. Your whole team.

Draw electrical plans together, wherever you work. Invite your colleagues, open the same project and see each other’s changes as you go.

See monthly pricing

Each teammate needs an active monthly subscription.

  • Shared projects

    Keep your team’s diagrams and site plans together in one place.

  • Work together live

    Make changes in the same project without sending files back and forth.

  • Your own plans stay private

    Copy a personal project into your team when you’re ready to work on it together.

Pricing

Simple pricing. Free plan included.

Start for free. Choose Lifetime with a one-time payment or subscribe for €12/month.

Flat prices, no extra costs
Free

Free

€0

Try Voltuno for free with one schema and one site plan.

  • 1 single-line diagram (max. 8 circuits)
  • 1 site plan (1 floor)
  • PDF export without watermark
  • All components
  • Document details on your PDF
  • Offline editing
Start for free
Recommended

Lifetime

€20one-time

Everything you need to draw professionally, with a single one-time payment.

  • Unlimited circuits
  • Lifetime access
  • Offline editing
  • Interactive client sharing
  • All components
  • Unlimited schemas and plans
  • Cloud storage for all your projects
  • PDF export without watermark
  • Document details on your PDF
  • Trikker import (.trik files)
  • Priority support
Buy Lifetime
Monthly

Monthly

€12/month

Perfect for team collaboration: work together on the same diagram with live updates.

  • All features of Lifetime
  • Team collaboration
  • Interactive client sharing
  • Priority support

Cancel anytime. Keep access until your paid period ends.

Subscribe monthly

Educational licenses

We also offer free educational licenses. Get in touch with us.

Contact us

Frequently asked questions

Ready to draw your first schema ?

Open Voltuno and draw your first single-line diagram today.

Start freeSee pricing →

Works online on PC, laptop and tablet — no installation needed.