CFDI tax tools

Review your CFDIs before they become a tax problem

ALCE Fiscal detects inconsistencies in your XML files, validates tax risks and helps you prepare SAT workflows, starting with VAT refunds.

  • Detect cancelled CFDIs, RFC errors and incomplete XML files.
  • Identify risks before filing tax requests.
  • Generate clear reports to make decisions faster.
Analyze VAT refundView tools

No credit card · Results in minutes · Your files are not shared

ALCE Fiscal

A quick read of your CFDI status

Valid CFDIs

184

CFDIs with warning

17

Critical errors

5

Risks detected

9

Alertas

  • Receiver RFC mismatch
  • Missing payment complement
  • CFDI cancelled in SAT
Analyze VAT refund

CFDI errors can cost time, money and rejected filings

A cancelled CFDI, wrong RFC, missing complement or risky supplier can affect reconciliations, VAT credits and SAT requests.

Why ALCE Fiscal?

Clear explanations of technical errors

We do not just say there is an error: we explain what it means, why it matters and how to fix it.

Automatic correction

We correct arithmetic and catalog errors instantly so you can review a corrected XML before stamping.

Spanish / English

Built for foreign subsidiaries in Mexico and finance teams that need understandable reports.

No installation

Works from the browser, without desktop software, manual updates or hidden costs.

Tax tools to review your CFDIs

Main

VAT Refund

Analyze CFDIs, detect inconsistencies and generate the base dossier to review your VAT refund request before SAT.

View VAT refund

CFDI Validator

Validate XML against tax structure, RFC, document status and possible inconsistencies before using them in accounting or tax workflows.

Validate CFDI

Payment Complement

Review related payments, missing complements and possible differences between invoicing and collections.

Review complements

More tools to complete your tax workflow

EFOS Monitor

Check whether an RFC appears on SAT lists and reduce supplier review risk.

Check EFOS

RFC Verifier

Verify basic RFC data before issuing or reviewing tax documents.

Verify RFC

SAT Code Search

Find SAT product, service and unit codes to prepare CFDIs correctly.

Search codes

ISR/IVA Calculator

Calculate reference tax scenarios before making fiscal decisions.

Calculate taxes

Tax Reconciliation

Compare 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.

Go to declarations

Mass Download

Download CFDIs from SAT in bulk and keep them organized for later analysis.

Go to mass download

From messy XML files to useful tax information

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1

Upload your CFDIs

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2

ALCE Fiscal detects inconsistencies

3
3

Receive reports and a dossier

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4

Decide what to fix before moving forward

A quick read of your CFDI status

Use the tax analysis as a starting point: identify valid files, warnings and critical errors before deciding whether to validate, reconcile or prepare a VAT refund.

ALCE Fiscal

A quick read of your CFDI status

Valid CFDIs

184

CFDIs with warning

17

Critical errors

5

Risks detected

9

Alertas

  • Receiver RFC mismatch
  • Missing payment complement
  • CFDI cancelled in SAT
Analyze VAT refund

Built for accountants, firms and companies working with CFDIs

Accountants preparing refunds or reconciliations.
Companies that want to detect errors before SAT filings.
Firms that need to review high volumes of XML files.
Admin teams that want to organize CFDIs and evidence.

What makes us different

ALCE Fiscal is designed to help you understand your tax position, not just process files.

Each error is explained in plain language, not as a cryptic SAT code.

It distinguishes PUE, PPD and payment complements when the tax workflow requires it.

It raises alerts for cancelled CFDIs, risky suppliers and inconsistent data.

It lets you review information CFDI by CFDI to understand where each result comes from.

It helps prepare useful reports for accountants, companies and bilingual teams.

VAT refund has its own deep landing page with dossier, validations and detailed flow.

You can also go deeper

Guide: 10 common CFDI errors

Learn to identify and fix frequent errors before they affect filings or reconciliations.

View guide

Why ALCE Fiscal?

Compare functionality and approach against other tax tools in the market.

View comparison

Frequently asked questions

What tax tools does ALCE Fiscal offer?▼
ALCE Fiscal brings together tools to validate CFDIs, check EFOS, review payment complements, search SAT codes, verify RFCs, reconcile tax information, prepare VAT filings, download CFDIs and analyze VAT refunds.
Is CFDI validation free on ALCE Fiscal?▼
Yes. You can validate CFDIs and review common errors without installing software. Some advanced workflows may require an account to save information or work with CFDIs downloaded from SAT.
Does ALCE Fiscal detect errors and suggest fixes?▼
Yes. When it detects inconsistencies, it explains what happened, why it matters and what should be reviewed before stamping, reconciling or preparing a filing.
Can I download my SAT invoices with ALCE Fiscal?▼
Yes. ALCE Fiscal includes a mass download workflow to organize SAT CFDIs and use them later in reconciliation, VAT filings or VAT refund analysis.
How is ALCE Fiscal different from other CFDI validators?▼
It does not stop at structure validation. It connects validation, plain-language explanations, tax risks, operational tools and SAT filing preparation in one platform.
Does ALCE Fiscal work for bilingual teams?▼
Yes. The platform includes Spanish and English interface and messages for administrative, accounting or finance teams working between Mexico and abroad.
What are VAT refund working papers?▼
They are support documents to review a refund request: CFDI classification, payment complement relationships, calculations and alerts. That workflow is explained in detail on the VAT refund landing page.
Does the home page replace the VAT refund landing page?▼
No. The home page explains what ALCE Fiscal is and which tools it offers; /devolucion-iva goes deeper into dossier, validations, rejections and the SAT VAT refund request.

Start by reviewing your VAT refund

VAT refunds are the first case where CFDI errors tend to cost the most. Analyze your XML files and detect inconsistencies before filing.

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