Free e-invoicing tools
Small, free utilities for the day-to-day work of UAE e-invoicing compliance. Everything runs in your browser — no signup, no data sent to a server.
TRN Validator
Paste any UAE Tax Registration Number to check its 15-digit format and deep-link into the FTA's official verification.
Open the tool →Penalty Calculator
Estimate your exposure under Cabinet Decision 106/2025 — non-implementation, invoice errors, and notification failures.
Open the tool →
Have a tool you'd like to see? Email hello@trustbill.ae and we'll add it to the queue.