
Create, edit and view e-invoices online for free. Convert PDF to e-invoice, transform invoice XML to PDF, and generate UBL 2.1 with OCR scanning, EU VAT validation, and PEPPOL BIS 3.0 compliance.
A startup from Latvia.
This page is designed to help you find out whether aiDoks.eu is good and if it is the right choice for you.
aiDoks is a European e-invoicing platform for small businesses and accountants. Generate compliant e-invoices in PEPPOL BIS 3.0, XRechnung (UBL & CII), Factur-X/ZUGFeRD PDF, Spanish Facturae and Estonian e-arve — or upload an existing PDF and let AI extraction fill the invoice for you. Validate any EN 16931 invoice against the official rule sets (the same schematron rules used by KoSIT, PEPPOL and national authorities), including country CIUS rules for Germany, France, Romania, Netherlands, Portugal and Spain. Convert between formats: PDF → e-invoice, CII ↔ UBL, Facturae → UBL, e-arve → UBL. Free tier with no signup for occasional use; Pro at $4.85/mo for unlimited use. Available in English, German, French, Spanish, Estonian, Latvian and Lithuanian.
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E-Invoice Generator
Create compliant e-invoices in PEPPOL BIS 3.0, XRechnung (UBL & CII), Factur-X/ZUGFeRD PDF, Spanish Facturae and Estonian e-arve — free, no signup for the first use.
PDF to E-Invoice (AI Extraction)
Upload any PDF invoice and AI extraction fills the e-invoice fields for you — convert PDF to ZUGFeRD, XRechnung or PEPPOL in seconds.
E-Invoice Validator
Validate any EN 16931 invoice against the official schematron rule sets used by KoSIT, PEPPOL and national authorities.
Country CIUS Rules
Country-specific validation for Germany, France, Romania, Netherlands, Portugal and Spain — including French BR-FR rules applied to any invoice with a French seller.
Format Converter
Convert between e-invoice formats: PDF → e-invoice, CII ↔ UBL, Facturae → UBL, e-arve → UBL.
Free Tier, No Signup
Every tool is free for occasional use (1 use per tool/day) with watermark-free XML output — no account required.
Multilingual Interface
Available in English, German, French, Spanish, Estonian, Latvian and Lithuanian.
aiDoks covers the whole EU e-invoicing workflow — generate, validate, and convert — in one free web tool, across formats that usually require separate tools: PEPPOL BIS 3.0, XRechnung (UBL & CII), Factur-X/ZUGFeRD, Spanish Facturae and Estonian e-arve. Validation runs the official schematron rule sets used by KoSIT, PEPPOL and national authorities, including country CIUS rules for Germany, France, Romania, the Netherlands, Portugal and Spain. And you can upload an existing PDF invoice and let AI extraction fill the e-invoice for you.
Most free alternatives do one thing: a validator here, a ZUGFeRD library there — and many require signup, watermark the output, or assume developer skills. aiDoks is built for non-technical users: no signup for the first use, watermark-free XML, plain-language validation errors with rule IDs, and format conversion (PDF → e-invoice, CII ↔ UBL, Facturae → UBL, e-arve → UBL) that standalone validators don't offer. Pro is $4.85/month for unlimited use — a fraction of typical e-invoicing platform pricing.
Small businesses, freelancers and accountants in Europe who need to send or check compliant e-invoices without an ERP system — especially in Germany, France, Belgium, Spain and Estonia, where e-invoicing mandates are already in force or arriving (France's B2B mandate starts 1 September 2026). Also useful for developers and consultants who need a quick validator against the official rule sets.
Europe's e-invoicing mandates are rolling out country by country, but the tooling was built for large enterprises — small businesses were left choosing between expensive platforms and raw XML. aiDoks started as a simple free validator and grew into a full toolset: generators, validators and converters for every major European format, with AI-powered PDF extraction so nobody has to type an invoice twice. It's built in Latvia and available in seven European languages.
Java 21 with Spring Boot on the backend, Angular on the frontend, PostgreSQL for storage. Validation uses ph-schematron with the official EN 16931, PEPPOL, KoSIT and national CIUS rule sets. PDF invoice extraction is powered by Azure AI Document Intelligence.
aiDoks.eu appears to be a niche AI-powered document processing/generation tool, but there is limited independent, verifiable information available about its performance, reliability, and company background, so it should be evaluated cautiously through a personal trial before committing to paid plans.
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