Our Tools

The full catalog lives here for users who want to explore. The main path remains reviewing a VAT refund before filing it with SAT.

Principal

VAT Refund

Generate working papers for your VAT refund request with SAT. Calculate the credit balance, classify PUE/PPD CFDIs, detect risks and export the complete dossier.

Prepare dossier

CFDI Validator

Upload your XML file and validate that your CFDI meets all SAT requirements. Get a detailed error and warning report.

Go to Validator

Payment Complement Assistant

Generate the Payment Complement (REP) XML from your PPD invoice. Calculate installments and taxes automatically.

Generate REP

Más herramientas para completar tu flujo fiscal

EFOS Monitor

Check if an RFC appears on the SAT blacklist (Art. 69-B). Individual or bulk vendor verification.

Check EFOS

SAT Code Search

Find the correct ClaveProdServ and ClaveUnidad for your invoice. Database with 52,000+ SAT products.

Search codes

ISR/IVA Calculator

Calculate your ISR and IVA in seconds. RESICO, general regime and corporations with updated tables.

Calculate ISR

RFC Verifier

Verify if an RFC is active and current with SAT. Check name and taxpayer status.

Verify RFC

Flujos operativos conectados con tus CFDIs

Mass Download

Download all your CFDIs from the SAT portal in bulk, organized and ready to use.

Go to Mass Download

Tax Reconciliation

Compare your accounting records against issued and received CFDIs to detect discrepancies.

Go to Reconciliation

VAT Declarations

Pre-calculate your monthly provisional VAT filing with CFDI breakdown and clear explanations.

Go to Declarations
SAT tax tools