Last updated: July 2026
Idiot Business Tools is designed so that the data you enter into any tool — invoice details, salary figures, personal information — is processed entirely within your own browser using client-side JavaScript. This data is never transmitted to, or stored on, our servers.
We use Google Analytics to understand aggregate, anonymised traffic patterns (such as which tools are most used) so we can improve the site. This does not include the content you type into any tool.
This site may display advertisements served by Google AdSense. Google may use cookies to serve ads based on a user's prior visits to this or other websites. Users may opt out of personalised advertising by visiting Google's Ads Settings.
Some cookies may be set by Google Analytics and Google AdSense for the purposes described above. We do not use cookies to store any of the content you enter into our tools.
Questions about this policy can be sent to hello@business.idiottools.com.