Calciora’s GST Calculator Australia helps you quickly add or remove the 10% Goods and Services Tax from any amount. This free online tool is designed for freelancers, small business owners, and contractors who need accurate GST calculations for invoices, pricing, or expense tracking. All calculations run instantly in your browser with no sign-up required.

The ABN Lookup & Validator by Calciora helps you quickly verify the validity of an Australian Business Number (ABN). This free browser-based tool checks the structural validity of an 11-digit ABN using the official checksum algorithm. It helps freelancers, businesses, and accountants confirm business legitimacy before processing invoices or payments.

The VAT Calculator Ireland by Calciora is a simple, reliable tool designed to help freelancers, businesses, and contractors calculate Irish VAT with ease. Quickly add VAT to net prices or remove VAT from gross totals using official Irish VAT rates, including 23%, 13.5%, 9%, and 0%. This tool works entirely in your browser—no sign-up, no data storage, and no tracking. It’s ideal for invoice checks, pricing products, preparing quotes, and estimating VAT for returns.