On your device

Imported files and entered amounts stay in your browser. Optional price lookups send ticker symbols and a date.

No account

Open the tools and use them without signing in.

Built on official rules

Grounded in IRD guidance and the Income Tax Act 2007.

Contact Us

Have a question or spotted something that needs correcting? Send us a message. We usually reply within a few business days.

Use the name you would like us to reply to.

We use this only to reply to your message.

A short subject helps us understand your message.

Please do not include IRD numbers, passwords, or private tax-file details.