Free Spanish tax tools, no signup

Calculators and validators for freelancers and small SLs in Spain. No account, no cost, with figures verified against the BOE.

Calculate your 2026 autónomo quota from your monthly net income. Full table of all 15 brackets and the €80 tarifa plana explained.

Calculator for autónomos in Spain: estimate how much to set aside each month for IVA, IRPF and your quota, so quarterly filings never surprise you.

Estimate your modelo 303: the VAT you pay or carry forward each quarter from your sales and expenses. Free, no signup, with the 2026 VAT rates.

Work out the IRPF withholding on a professional's invoice (15% or 7%) and on your premises rent (19%), and what you pay with modelos 111 and 115.

Estimate your Spanish SL's 2026 corporate tax: the general 25% rate, 15% for new companies or the 19%/21% micro-company scale. Free, no signup.

Work out the Spanish surcharge for filing a return late without a demand: 1% plus 1% per full month, 15% after 12 months. Includes the 25% reduction.

Check whether a Spanish NIF, NIE, CIF or an IBAN has a valid check digit. Free, no signup, and 100% in your browser: nothing is sent anywhere.

Spain's 2026 tax figures at a glance: autónomo quota brackets, VAT rates, the IRPF scale, withholdings and thresholds. Verified against the BOE.