Use of the tools
You may use the tools for personal and commercial work. You are responsible for checking results before relying on them for security, financial, legal, safety-critical or irreversible operations.
Availability and accuracy
The tools are provided without a guarantee of uninterrupted availability. Results depend on your input, device clock, browser date range and time-zone data. Test important boundary cases in the system that will ultimately store or execute the value.
Acceptable use
Do not use the site to disrupt service, bypass access controls or submit content that you are not authorized to process.