Last updated 2026-07-29.
The calculators and checkers on this site are informational. They apply published rules to figures you type in, and they show their assumptions. They are not advice, they are not a determination of your tax position, and no professional relationship arises from using them.
The governing principle behind all of them: a tool may state what it checked; it may not state what follows from that. Where a result depends on a judgement we cannot make from the inputs, the tool says so rather than guessing.
The tools run entirely in your browser. Nothing you type or paste is transmitted to us or to anyone else, no analytics run on these pages, and nothing is written to browser storage. You can disconnect from the internet and they still work. This is verified by an automated check before every release, and it is the reason there is no upload form on this site yet.
Every rule, rate and deadline comes from a published source, linked at the foot of the page that uses it, with the version and the date we last checked it. Our own estimates are separated from those statements and labelled as estimates: how long a piece of work takes, what a fix is likely to cost, what companies commonly do. No source supports those, and none is cited for them. The current specification is PINT AE 1.0.4, published 2026-06-03. Regulations change: where a page and a source disagree, the source is right, and we would be glad to hear about it.
These tools are provided as they are, without warranty. Decisions with financial or legal consequences should rest on advice from a qualified adviser or a registered tax agent who has seen your actual position, not on a free calculator. To the extent permitted by law, we are not liable for loss arising from reliance on them.
InvoLane is built and run by a finance director working in Dubai, United Arab Emirates. The company is in registration; until that completes the responsible party is an individual rather than a company, and that person is named in the privacy notice and in any agreement you sign. Contact hello@involane.com or +971 50 597 2615.