Professional FAIA Validation for Luxembourg
We're building a powerful XML validation tool for Luxembourg tax compliance. 100% client-side processing ensures your sensitive financial data never leaves your browser.
Why Choose Our Validator?
Built specifically for Luxembourg tax compliance with privacy and accuracy as top priorities.
Complete Privacy
Your XML files never leave your device. All validation happens locally in your browser.
Instant Results
Get detailed validation results in seconds. No waiting for server responses or file uploads.
FAIA v2.01 Schema
Validates against the official Luxembourg FAIA v2.01 XSD schemas from the AED tax authority.
Business Rules
Comprehensive validation of Luxembourg-specific business rules including TVA rates and references.
Smart Error Detection
Intelligent categorization of errors by type: Syntax, Structure, Reference Integrity, and Business Logic.
Free Tier Available
Start validating for free with no account required. Paid plans from €79/month for unlimited files and advanced features.
How It Works
Validate your Luxembourg FAIA files in three simple steps
Upload Your File
Drag and drop your FAIA XML file or click to browse. Supports all three official schema variants.
Instant Validation
Our validation engine checks your file against official schemas and Luxembourg business rules in seconds.
Review Results
Get detailed, categorized error reports with line numbers and fix suggestions to resolve issues quickly.
Privacy & Trust
Your financial data deserves the highest level of protection. Here's how we ensure it.
Zero Data Transmission
Files are processed entirely in your browser. Nothing is sent to any server.
No Server Storage
We have no servers storing your data because we never receive it in the first place.
FAIA v2.01 Schemas
Uses authentic XSD schemas published by the Luxembourg AED tax authority.
Always Up-to-Date
Schema version verified against official sources - FAIA v2.01 (unchanged since 2013).
Get Notified at Launch
Register your interest and be the first to know when we go live.