Free tools
Free Tools for Omani VAT and Invoices
Three free tools for VAT-registered businesses in Oman: a 5% VAT calculator that works in Omani rials to three decimal places, a converter that writes an amount in Arabic words for a cheque, and a check that tells you which e-invoicing date applies to you. No account, and nothing you type leaves your browser.
Oman VAT Calculator
Add 5% to a net amount, or take it back out of a total that already includes it.
Amount in Words
Writes an Omani Rial amount in Arabic words, with the third decimal handled correctly.
Fawtara Readiness
Five questions, then your e-invoicing date and what to fix before it.
Yusrin Issues the Invoice These Tools Describe
Quote from your phone, convert to a tax invoice carrying every field Article 144 requires, and share it on WhatsApp.