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xmlvalid VS Peppol Validator

Compare xmlvalid VS Peppol Validator and see what are their differences

xmlvalid

Validate XML and e-invoices up to 1 GB in your browser: XSD, DTD, RelaxNG and official business rules

Rating
0 reviews
Pricing
Freemium $29 / Monthly (Pro)
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Alternatives Is it good?
Peppol Validator

Free Peppol Validator for BIS Billing 3.0 XML Invoices

Rating
0 reviews
Pricing
Free
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Alternatives Is it good?
Data Analytic System
Sourced crypto market data with indicator monitoring, market regime context and research. BTC, ETH, XRP, SOL + major indices monitored 24/7. Educational content — not investment advice. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Data Validation popularity
100% vs 0%
alternatives listed
9 vs 7

Base details

Website, pricing, platforms and company facts side by side.

xmlvalid
Peppol Validator
Website xmlvalid.com peppolvalidator.com
Pricing
Freemium $29 / Monthly (Pro) Official pricing
Free
Platforms
Web REST API gRPC APISOAP API
—
Company Startup from Ukraine · 1 - 9 employees · 2026 —
Listed in
Developer Tools APIs CI/CD XML Data Validation Finance +3
Invoices Business SaaS / E-commerce Tools Automation AI +2

About xmlvalid and Peppol Validator

In their own words, as submitted to SaaSHub.

xmlvalid
Peppol Validator

xmlvalid is an online XML validator built for production-size documents and e-invoicing. Validation XSD 1.0, DTD, RelaxNG (XML and compact syntax) 7,700+ Schematron business rules: EN 16931 (UBL and CII), Peppol BIS and PINT, XRechnung, ZUGFeRD / Factur-X, and national rules from France, Italy,...

Read more about xmlvalid

Peppol Validator: Easily validate your Peppol documents. Ensure compliance and seamless e-invoicing with our free validation tool.

Read more about Peppol Validator

Features and specs

What each product offers, as listed by its team.

xmlvalid 19 features
Peppol Validator 8 features
  • Schema languages
    XSD 1.0, DTD, RelaxNG (XML and compact)
  • Business rules
    7,700+ Schematron rules (EN 16931, Peppol BIS and PINT, XRechnung, Factur-X, national CIUS) plus your own .sch
  • Schema catalog
    177 official schemas with all their include files
  • Country guides
    E-invoicing in 24 countries, the profile picked from the invoice automatically
  • Max File Size
    50 MB without an account, 1 GB with a free account (5 GB tested)
  • Batch validation
    A folder or .zip of up to 1,000 documents
  • Privacy
    Validated in the browser, nothing uploaded
  • Input methods
    Upload, paste, URL, or a folder or .zip of up to 1,000 documents
  • PDF invoices
    Factur-X, ZUGFeRD and ISDOC, with PDF/A (veraPDF) and PDF text checks
  • Error details
    Line and column, explanations for libxml2, Java (Xerces) and .NET messages
  • E-invoice Detection
    Profile picked automatically from the document
  • API
    REST (OpenAPI 3.1), SOAP, MCP server, SDKs for PHP, Laravel, Symfony, Python and JavaScript
  • CLI
    CLI (npm @xmlvalid/cli), GitHub Action, GitLab CI, pre-commit
  • URL monitors
    Alerts by email or webhook when a feed starts failing
  • Reports
    PDF, HTML, JSON export, share links
  • Dark Mode
  • Integrations
    n8n, Apify, Postman
  • Monitoring
    URL monitors with email and webhook alerts
  • Free Tools
    XML formatter, XPath tester, XSLT transformer, XML diff, XML to JSON / CSV, XSD generator, XSD to XML, e-invoice viewer
  • Document validation
    Checks if your Peppol invoices are correct and follow the rules.
  • Compliance check
    Makes sure your invoices meet Peppol standards, so you don't have any issues.
  • Error identification
    Finds mistakes or problems in your invoices that need fixing.
  • Seamless e invoicing:
    Helps you send and receive invoices smoothly without any technical hiccups.
  • Free to use
    You don't have to pay anything to validate your documents.
  • Easy to use
    Simple interface to help you validate documents easily.
  • Peppol compliance
    Ensures compliance with Peppol requirements.
  • Validation report
    Provides a detailed report on the invoice validation process.

Analysis

An editorial look at what each product does well and who it suits.

xmlvalid
Peppol Validator

No analysis of xmlvalid yet.

Overall verdict

  • Peppol Validator appears to be a useful specialized tool for checking Peppol e-invoicing document compliance, offering a straightforward way to validate UBL/XML files against Peppol BIS rules before submission, though as with any niche compliance tool you should verify it stays current with the latest Peppol specifications and access point requirements.

Why this product is good

  • Provides quick validation of Peppol e-invoices against official schema and business rules
  • Helps catch formatting or compliance errors before documents are sent through the Peppol network
  • Reduces risk of invoice rejection by access points or receiving parties
  • Simple, focused tool without unnecessary complexity for a specific compliance need
  • Can save time compared to manual XML review or trial-and-error submission

Recommended for

  • Businesses implementing Peppol e-invoicing for the first time
  • Developers integrating Peppol BIS billing standards into ERP or accounting systems
  • Finance and compliance teams needing to verify invoice formatting before submission
  • Small to medium enterprises without dedicated e-invoicing compliance software
  • Consultants or service providers testing client invoices for Peppol network readiness

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
xmlvalid
Peppol Validator
100% 100%
Data Validation
0% 0%
0% 0%
Invoicing
100% 100%
100% 100%
Finance
0% 0%
0% 0%
Compliant E-invoicing
100% 100%

Questions & Answers

As answered by people managing xmlvalid and Peppol Validator.

Which are the primary technologies used for building your product?

xmlvalid's answer

  • Rust and libxml2 (validation engine), compiled to WebAssembly
  • SaxonJS (Schematron business rules)
  • veraPDF (PDF/A checks)
  • Laravel and Livewire (PHP)
  • Tailwind CSS
  • PostgreSQL, Redis, Meilisearch
  • Cloudflare

What makes your product unique?

xmlvalid's answer

  • Schema validation and e-invoicing business rules in one place: XSD, DTD and RelaxNG, plus 7,700+ Schematron rules of EN 16931, Peppol BIS and PINT, XRechnung, Factur-X and national formats from France and Italy to Saudi Arabia, Mexico and Brazil
  • Built for large files: a streaming Rust engine (libxml2 compiled to WebAssembly) validates documents up to 1 GB in the browser with flat memory (5 GB tested)
  • 177 official schemas ready to use, and e-invoice profiles detected automatically from the document
  • E-invoice PDFs (Factur-X, ZUGFeRD, ISDOC) checked whole: the XML inside, PDF/A, and the PDF's text against the XML
  • Every error links to a page explaining why it fails and how to fix it, for libxml2, Java and .NET messages
  • The same checks in CI and integrations: REST API, SOAP, MCP server for AI agents, CLI, GitHub Action, n8n

Why should a person choose your product over its competitors?

xmlvalid's answer

  • Desktop editors (XMLSpy, Oxygen) are powerful but expensive and need installing; xmlvalid works in the browser for free
  • Simple online validators check one schema and stop at a few MB; xmlvalid streams up to 1 GB and ships schemas with all their imports
  • E-invoice validators (KoSIT, Peppol testbeds) check one format each and have no CI tooling; xmlvalid covers many formats and countries, reads PDF invoices, and has an API, CLI and GitHub Action
  • Documents are validated in the browser and not uploaded

How would you describe the primary audience of your product?

xmlvalid's answer

  • Developers and integrators building or receiving e-invoices (Peppol, XRechnung, Factur-X, FatturaPA, KSeF, ZATCA, CFDI, NF-e, UBL, CII)
  • ERP and accounting software vendors preparing for national e-invoicing mandates
  • Teams that exchange XML with partners: payments (ISO 20022), healthcare (HL7 CDA, FHIR), feeds and sitemaps
  • DevOps engineers who want XML checks in CI pipelines
  • Anyone who needs to validate a large XML file quickly without installing software

What's the story behind your product?

xmlvalid's answer

xmlvalid is built and run by Oleksii Babintsev, a developer from Ukraine, so questions and bug reports reach the person who builds the engine. It started as a streaming validator for XML files too large for typical online tools, and grew into e-invoicing as countries made structured invoices mandatory: business rules for EN 16931, Peppol, XRechnung and national formats in 24 countries, PDF invoices, an API, CLI and GitHub Action for CI, and monitors for XML feeds. While building it, we found and fixed a slowdown in libxml2's validation of large files and contributed the fix upstream. It launched in October 2026

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