Product guide
Privacy
The tool calculates and creates files in your browser. It needs no account and does not send your input to Chapa Lab.
Privacy by design
- 01
There is no account or analytics. Google AdSense remains blocked until you accept advertising.
- 02
The data is processed in the browser and is not sent to Chapa Lab.
- 03
Language preferences remain only during the session.
- 04
Downloads are generated on the device under the user's control.
Your data stays on this device
Defines work, meters, quality and unforeseen events
The tool calculates and creates files in your browser. It needs no account and does not send your input to Chapa Lab.
- Your inputs
- Project · Surface · Quality · Pricing method · My base cost per m² · Contingency · Tax
- What you do
- The data is processed in the browser and is not sent to Chapa Lab.
- What you get
- Downloads are generated on the device under the user's control.
- You choose advertising
- We use only necessary storage to remember your choice. Google AdSense loads only if you accept advertising.
Responsible scope
Sources and scope
Unit prices are an editorial sample, not current regional data or a binding quote.